[
  {
    "query_text": "1:5万归义幅区调龙角塘—能板实测剖面出露完整有代表性，其层序为上覆地层罗东组，黑云红柱斜黝帘石角岩 ——————————整合—————————— 罗洪组，总厚度 2518m",
    "matched_texts": [
      {
        "context": "早中二叠世九十道班组灰色灰岩 断层 巴贡组 厚度2234.26m ",
        "score": 0.010754569165749612
      },
      {
        "context": "砂岩组（2-3B） 厚度2959.61m",
        "score": 0.010528990349737567
      },
      {
        "context": "大冶组四段中-上部基本层序A厚层鲕粒灰岩B纹层石白云岩C厚层白云岩",
        "score": 0.009570534390128517
      }
    ],
    "total_hits": 18
  },
  {
    "query_text": "调查区古墓组应属早志留世。",
    "matched_texts": [
      {
        "context": "茅山组由于顶部与泥盆系云台观组区域不整合面限制，与邻区对比，时代暂定为晚志留世。",
        "score": 0.008551730131427914
      },
      {
        "context": "本区采有笔石Pseudoclimacograptus sp.，Pristiograptus sp.，时代为早志留世。",
        "score": 0.008211167430773247
      },
      {
        "context": "本区未采获化石，南邻通山幅在坟头组上部采获东方小王冠虫凯里虫谢氏条纹石燕（相似种），以上化石均为中志留世常见分子。",
        "score": 0.006880614988561355
      }
    ],
    "total_hits": 6
  },
  {
    "query_text": "坝里组下与大绀山组顶部的灰岩透镜体或钙质粉砂岩层、上与老虎塘组均呈整合接触，厚1400~1600m。",
    "matched_texts": [
      {
        "context": "灰色中厚层状细粒长石石英砂岩与深灰色粉砂质板岩互层（向斜核部）未见顶47.09m",
        "score": 0.019716749233462335
      },
      {
        "context": "深灰色薄层状细粒长石石英砂岩与深灰色粉砂质板岩互层101.60m",
        "score": 0.018740307932861338
      },
      {
        "context": "灰色中－厚层状细粒岩屑长石砂岩夹灰色薄层钙质粉砂岩及粉砂质板岩231.03m",
        "score": 0.01866373033393001
      }
    ],
    "total_hits": 30
  },
  {
    "query_text": "上覆地层春湾组，灰白色石英砂岩 ————————————整合———————————— 桂头群，总厚度922.1m",
    "matched_texts": [
      {
        "context": "灰白色褐黄色长石石英砂岩，厚14.37米。",
        "score": 0.024881696523487568
      },
      {
        "context": "茅山组（S3m）灰黄色细粒石英砂岩，细粒砂状结构，块状构造，具平行层理，单层厚 30cm。铁质矿物含量4%，厚45.52米。",
        "score": 0.022624769852535597
      },
      {
        "context": "灰黄色灰绿色粉砂质页岩夹含铁砂质石英粉砂岩，砂质粉砂状结构，页片状构造，纹层发育，厚4.31米。",
        "score": 0.021722519637930385
      }
    ],
    "total_hits": 18
  },
  {
    "query_text": "暗色—黑色页岩，顶部含笔石 Orthograptus sp. Pristiograptus aff hisingeri Streptograptus nodife；距底界处含 Monograptus aff. Priodon，6.0m",
    "matched_texts": [
      {
        "context": "灰色深灰色厚-巨厚层状含燧石团块含灰泥质生物屑灰岩，厚11.65米，含Chusenella sp.，Ch. Cf. tingi Chen，Glomospira sp.，Pseudoliolina pulchra Sheng，P. chinghaiensis sheng，P.pseudolepida（Deprat），P. ozawai Yabe et Hanzawa，schwagerina sp.，Fenestella sp.，Pseudobatostomella cf. delinghensis Yang et Loo。",
        "score": 0.015053175129828353
      },
      {
        "context": "龙潭组－下窑组灰岩中含蜓 Codonofusiella schubertelloides sheng，Schubertella sp.，Nodosaria sp.，Palaeotextularia sp.，腕足Linoproductus sp.，珊瑚 achylasma sp.，Notothyris sp.等，该组合属于晚二叠世早期。",
        "score": 0.014631997536923267
      },
      {
        "context": "浅紫色紫红色含角砾石泡流纹岩，厚11.82米。",
        "score": 0.014547165748811893
      }
    ],
    "total_hits": 24
  },
  {
    "query_text": "浅灰青灰色中薄层状泥岩，13m",
    "matched_texts": [
      {
        "context": "浅灰色中薄层状含砂屑灰泥岩，具水平层理，厚15.94米。",
        "score": 0.03649789559720048
      },
      {
        "context": "浅灰色中厚层状灰泥岩，具水平层理，岩石发育缝合线构造，厚35.67米。",
        "score": 0.03433603891096402
      },
      {
        "context": "灰绿色中层状中粒岩屑长石砂岩2.33m",
        "score": 0.008700294592112955
      }
    ],
    "total_hits": 6
  },
  {
    "query_text": "浮土，42m",
    "matched_texts": [
      {
        "context": "灰色块层状粗粒石英砂岩42.44m",
        "score": 0.00851094942552455
      },
      {
        "context": "深灰色薄层绿泥石化片岩云母石英片岩12.21m",
        "score": 0.00816215660477899
      },
      {
        "context": "灰绿色中层状中粒岩屑长石砂岩2.33m",
        "score": 0.007912217558456221
      }
    ],
    "total_hits": 6
  },
  {
    "query_text": "老虎塘组岩性为变质（长石）石英砂岩石英岩夹含炭质绢云千枚岩及砂质粉砂质板岩等，厚950m。",
    "matched_texts": [
      {
        "context": "变砂岩中发育大量的龟背石，不对称波痕，冲刷泥砾平行层理 ，为旋回性基本层序（图2-33a），下部的基本层序是由变中－细粒长石石英岩屑砂岩，变余矿物粉砂岩和粉砂质板岩的自旋回性沉积层序构成",
        "score": 0.023440825293314344
      },
      {
        "context": "灰色中厚层状细粒长石石英砂岩与深灰色粉砂质板岩互层（向斜核部）未见顶47.09m",
        "score": 0.022881583024558005
      },
      {
        "context": "基本层序特征 ⑴砂岩组（2-3B） 本组上部的基本层序是由变中细粒岩屑砂岩和粉砂质板岩的自旋回性沉积序列构成",
        "score": 0.022371450184471613
      }
    ],
    "total_hits": 30
  },
  {
    "query_text": "兰瓮组以细粒砂岩为主与千枚岩组成层序，厚度较大，发育水平层理与条带状构造，显示出鲍马序列的特征，局部出现较多的砂砾岩夹层，表明水道相的发育。",
    "matched_texts": [
      {
        "context": "下部基本层序如图，其中A层发育水平层理，岩层层面发育波痕构造，向上薄层石英砂岩夹曾减薄。",
        "score": 0.03670778457393385
      },
      {
        "context": "浅灰色中厚层状灰泥岩，具水平层理，岩石发育缝合线构造，厚35.67米。",
        "score": 0.024430645295070982
      },
      {
        "context": "大冶组二段浅灰色中厚层状灰泥岩，具水平层理，岩石发育缝合线构造，与下伏大冶组一段整合接触，以中厚层状灰泥岩的出现作为分界标志，岩性稳定，厚35.67-65米。",
        "score": 0.02201578319613501
      }
    ],
    "total_hits": 42
  },
  {
    "query_text": "灰绿色厚层状云母石英岩夹薄层状石英云母微片岩，39.3m",
    "matched_texts": [
      {
        "context": "灰绿色中层状中粒岩屑砂岩夹灰紫色中层状岩屑长石砂岩50.02m",
        "score": 0.03127027499982405
      },
      {
        "context": "灰绿色中层状凝灰岩夹灰色薄层状白云石化含放射虫硅质岩29.45m",
        "score": 0.030733390033818055
      },
      {
        "context": "深灰色薄层状细粒长石石英砂岩与深灰色粉砂质板岩互层101.60m",
        "score": 0.0298794354566626
      }
    ],
    "total_hits": 6
  },
  {
    "query_text": "前寒武纪基底各类岩石界面变形变质作用，尤其是云开地区多层次基底结构特征及其界面性质和大地构造属性与古地理位置变迁的研究。",
    "matched_texts": [
      {
        "context": "浅灰-深灰色中厚层状藻迹微晶灰岩，藻迹微晶结构，中厚层状构造，单层厚10-25cm，厚11.28米。",
        "score": 0.010682496547822207
      },
      {
        "context": "栖霞组下部为灰深灰色中－厚层状瘤状生物屑灰岩中厚层状生物屑灰岩夹灰黑色中－薄层状炭质页岩",
        "score": 0.009432526369399213
      },
      {
        "context": "区域上在西昆仑地区 1∶25 万区域地质调查发现晚二叠世地层角度不整合在中二叠世地层之上至少说明测区早中二叠世开心岭群与晚二叠世－早三叠世火山岩组之间的角度不整合在区域上还是有分布未见大面积出露。",
        "score": 0.009422418241442854
      }
    ],
    "total_hits": 6
  },
  {
    "query_text": "上伏地层天子岭组，灰黑色灰岩 ————————————整合———————————— 春湾组，总厚度>510.8m",
    "matched_texts": [
      {
        "context": "灰绿色灰紫色安山质凝灰角砾岩，厚12.07米，喷发不整合下伏地层灵乡组。",
        "score": 0.01467528830897734
      },
      {
        "context": "砂岩组（2-3B） 厚度2959.61m",
        "score": 0.014515747135932964
      },
      {
        "context": "深灰灰黑色安玄岩，具斑状结构，厚21.47米。",
        "score": 0.014464809125260445
      }
    ],
    "total_hits": 18
  },
  {
    "query_text": "坝里组下与大绀山组顶部的灰岩透镜体或钙质粉砂岩层上与老虎塘组均呈整合接触，厚1400-1600m。",
    "matched_texts": [
      {
        "context": "灰色中厚层状细粒长石石英砂岩与深灰色粉砂质板岩互层（向斜核部）未见顶47.09m",
        "score": 0.018755005443833787
      },
      {
        "context": "深灰色薄层状细粒长石石英砂岩与深灰色粉砂质板岩互层101.60m",
        "score": 0.017586682896564457
      },
      {
        "context": "灰色中－厚层状细粒岩屑长石砂岩夹灰色薄层钙质粉砂岩及粉砂质板岩231.03m",
        "score": 0.01756703671651669
      }
    ],
    "total_hits": 30
  },
  {
    "query_text": "云开群第一组（QnY1）是指云开群下部的一个组，广泛分布于罗定—信宜—阳春一带，出露面积较大，约924.27m2，占调查区总面积的5.46%。",
    "matched_texts": [
      {
        "context": "测区志留系主要分布于南部孙鉴铺－团林湾毛家铺一带，出露面积约141.28m2，占图幅总面积的15.85%，地层走向北西西向，构成背斜核部地层，厚度较大。",
        "score": 0.02066121174021906
      },
      {
        "context": "二叠系分布于测区南部蔡家脑向斜毛百市向斜及猪风岭向斜两翼以及铜鼓山岩体北东侧亦有分布，出露面积约56.65m2，占图幅总面积的6.36%。",
        "score": 0.019118809473694497
      },
      {
        "context": "火山岩组（3Bt2） 出露局限，呈窄条带状展布于日啊谷－扎茶也改等地，分别与上下伏地层整合接触，大部分断层接触，局部新近纪曲果组不整合其上，控制厚度大于 1033.81m。",
        "score": 0.014716462875153484
      }
    ],
    "total_hits": 12
  },
  {
    "query_text": "春湾组岩性由灰—深灰色薄层状泥质条带灰岩泥晶灰岩粉晶灰岩白云质灰岩等组成，局部为假鲕状灰岩生物碎屑灰岩夹晶屑粒屑灰岩泥质绢云母页岩钙质泥岩粉砂岩。",
    "matched_texts": [
      {
        "context": "在龙玛能－纳日贡玛－众根涌－日阿吉卡一带则以熔岩为主，夹有火山角砾岩和碎屑岩及灰岩，岩性灰绿色安山岩安山玄武岩玄武岩中基性中酸性火山碎屑岩夹灰岩及砂岩粉砂岩，厚度约大于 2000m。",
        "score": 0.026932163708564202
      },
      {
        "context": "栖霞组上部基本层序由A深灰色薄－中厚层瘤状生物屑灰岩，B薄层泥质灰岩组成，A层向上单层变薄，B层局部含碳质，向上泥质含量增高，为退积型基本层序。",
        "score": 0.026243740501881104
      },
      {
        "context": "深灰色中层状微-细晶灰岩夹灰色中薄层含灰泥质生物屑灰岩，厚3.75米，侧向厚度变化大，层理面弯曲，使岩层呈似瘤状。",
        "score": 0.025597850180551242
      }
    ],
    "total_hits": 60
  },
  {
    "query_text": "灰黑、灰白色条带状水镁石大理岩2.7m",
    "matched_texts": [
      {
        "context": "灰绿色中层状中粒岩屑长石砂岩2.33m",
        "score": 0.036869952769093176
      },
      {
        "context": "灰绿色中层状凝灰岩夹灰色薄层状白云石化含放射虫硅质岩29.45m",
        "score": 0.024730514710252487
      },
      {
        "context": "灰紫色中层状中粒岩屑长石砂岩1.55m",
        "score": 0.024320181332602026
      }
    ],
    "total_hits": 6
  },
  {
    "query_text": "水镁石方解石石英云母微片岩14.7m",
    "matched_texts": [
      {
        "context": "灰绿色厚层状中粒岩屑长石砂岩18.15m",
        "score": 0.023142818071392394
      },
      {
        "context": "灰色薄层状中细粒长石石英砂岩38.25m",
        "score": 0.022104370770329024
      },
      {
        "context": "灰绿色中层状中粒岩屑长石砂岩2.33m",
        "score": 0.02027670072931273
      }
    ],
    "total_hits": 6
  },
  {
    "query_text": "调查区大绀山组分布于罗定围底—云安县镇安—云浮腰古阳春—河朗等地，出露较广，约772.46m2，占调查区总面积的4.57%。",
    "matched_texts": [
      {
        "context": "二叠系分布于测区南部蔡家脑向斜毛百市向斜及猪风岭向斜两翼以及铜鼓山岩体北东侧亦有分布，出露面积约56.65m2，占图幅总面积的6.36%。",
        "score": 0.018440503377119773
      },
      {
        "context": "测区志留系主要分布于南部孙鉴铺－团林湾毛家铺一带，出露面积约141.28m2，占图幅总面积的15.85%，地层走向北西西向，构成背斜核部地层，厚度较大。",
        "score": 0.014933722718486246
      },
      {
        "context": "更新统广泛分布于测区梁子湖－金牛镇以西的垅岗地带，面积为185.725Km2，占测区总面积20.84%。",
        "score": 0.01473749732397128
      }
    ],
    "total_hits": 12
  },
  {
    "query_text": "大岗顶组岩性主要为含粉砂质条带泥岩夹粉砂质泥岩细砂岩夹泥岩，自下往上由粗变细，含笔石化石Petalolihus hispanicus，Spirograptus sp.，S. minor，Streptograptus sp.。",
    "matched_texts": [
      {
        "context": "茅山组粉砂岩中交错层理，该组下部岩性简单，为含砂质泥质石英粉砂岩与细粒石英砂岩，组成加积型基本层序，岩性横向变化不大。为陆棚边缘盆地相沉积。",
        "score": 0.021281995368918824
      },
      {
        "context": "黄绿色泥质页岩夹灰色薄层状泥质微晶灰岩，岩石中含泥质条带，厚19.23米，含Ophiceras cf. demissum（Oppel），O.cf.sinense ien，O.sp.，Lytophiceras sp.，L.cf.sauntala（Diener），Claraia sp. C. griesbachi（Bittner）。",
        "score": 0.020377055088222795
      },
      {
        "context": "龙潭组－下窑组灰岩中含蜓 Codonofusiella schubertelloides sheng，Schubertella sp.，Nodosaria sp.，Palaeotextularia sp.，腕足Linoproductus sp.，珊瑚 achylasma sp.，Notothyris sp.等，该组合属于晚二叠世早期。",
        "score": 0.020322431561117286
      }
    ],
    "total_hits": 42
  },
  {
    "query_text": "灰绿灰红色板岩与灰红色粉砂岩及砂岩互层，683.27m",
    "matched_texts": [
      {
        "context": "深灰色薄层状细粒长石石英砂岩与深灰色粉砂质板岩互层101.60m",
        "score": 0.02958674447392966
      },
      {
        "context": "灰色薄层状中细粒长石石英砂岩与灰绿色粉砂质板岩互层242.67m",
        "score": 0.02827092916263506
      },
      {
        "context": "灰黑色薄层状粉砂岩夹紫红色粉砂岩，厚2.92m。",
        "score": 0.027621133268933475
      }
    ],
    "total_hits": 6
  },
  {
    "query_text": "奥陶纪地层自下而上为罗洪组、罗东组、东冲组、兰瓮组。",
    "matched_texts": [
      {
        "context": "坟头组与新滩组整合接触1.页岩2.粉砂质页岩",
        "score": 0.009157455670472445
      },
      {
        "context": "龙潭组－下窑组灰岩中含蜓 Codonofusiella schubertelloides sheng，Schubertella sp.，Nodosaria sp.，Palaeotextularia sp.，腕足Linoproductus sp.，珊瑚 achylasma sp.，Notothyris sp.等，该组合属于晚二叠世早期。",
        "score": 0.008834257105474913
      },
      {
        "context": "湖北省大冶市西畈李二叠系梁山组-大隆组实测地层剖面图",
        "score": 0.00872942043672927
      }
    ],
    "total_hits": 24
  },
  {
    "query_text": "云开群第二组，未见顶，总厚度>2703.3m",
    "matched_texts": [
      {
        "context": "早中二叠世九十道班组灰色灰岩 断层 巴贡组 厚度2234.26m ",
        "score": 0.012488782943938636
      },
      {
        "context": "火山岩组（3Bt2） 出露局限，呈窄条带状展布于日啊谷－扎茶也改等地，分别与上下伏地层整合接触，大部分断层接触，局部新近纪曲果组不整合其上，控制厚度大于 1033.81m。",
        "score": 0.012202508463051084
      },
      {
        "context": "砂岩组（2-3B） 厚度2959.61m",
        "score": 0.010641657731772614
      }
    ],
    "total_hits": 6
  },
  {
    "query_text": "调查区桂头群主要由红色杂砾岩石英砂砾岩砂岩粉砂岩粉砂质泥岩等组合而成，局部夹含砾砂岩火山质砾岩。",
    "matched_texts": [
      {
        "context": "九里岗组土黄色石英细砂岩与土黄色薄层状粉砂岩泥质粉砂岩及灰黑色粉砂质页岩互层。",
        "score": 0.018931291687041267
      },
      {
        "context": "砾岩岩组在格玛龙以东其岩性为紫红色中粒长石石英砂岩，硬砂质石英砂岩粗粉砂岩，其中夹有含角砾的砂岩及灰岩，岩石粒度较粗，产有植物化石和海相瓣鳃化石。",
        "score": 0.01883604294931183
      },
      {
        "context": "大寺组一段顶部见灰绿色灰紫色含砾泥铁质粉砂岩含泥质石英粉砂岩。",
        "score": 0.01750718507482095
      }
    ],
    "total_hits": 42
  },
  {
    "query_text": "上覆地层帽子峰组 泥质粉砂岩 ————————————整合———————————— 天子岭组，总厚度787.6m",
    "matched_texts": [
      {
        "context": "上部基本层序 A层为泥质粉砂岩，向上层厚减薄，显示进积型层序。",
        "score": 0.02687706753870043
      },
      {
        "context": "坟头组一段上部基本层序A泥质粉砂岩B含磷长石石英砂岩",
        "score": 0.017009072794528422
      },
      {
        "context": "新滩组基本层序A粉砂质页岩B细砂岩",
        "score": 0.0154980757470344
      }
    ],
    "total_hits": 18
  },
  {
    "query_text": "调查区桂头群分布于台山那扶恩平洪窖良西牛江沙湖阳春卫国合水新兴筋竹河头云浮达石等地，出露面积约459.44m2，占总面积2.72%。",
    "matched_texts": [
      {
        "context": "二叠系分布于测区南部蔡家脑向斜毛百市向斜及猪风岭向斜两翼以及铜鼓山岩体北东侧亦有分布，出露面积约56.65m2，占图幅总面积的6.36%。",
        "score": 0.021270077010557144
      },
      {
        "context": "测区志留系主要分布于南部孙鉴铺－团林湾毛家铺一带，出露面积约141.28m2，占图幅总面积的15.85%，地层走向北西西向，构成背斜核部地层，厚度较大。",
        "score": 0.01761514920033523
      },
      {
        "context": "尕笛考组成带分布于测区龙玛能纳日贡玛及子曲一带，分布面积 330m2，控制最大厚度1614.37m。",
        "score": 0.015079887554329681
      }
    ],
    "total_hits": 12
  },
  {
    "query_text": "灰白深灰色变质长石石英砂岩，厚层状，具水平层理，152.7m",
    "matched_texts": [
      {
        "context": "灰色微层-薄层状夹中层状灰泥岩，具水平层理，厚1.71米。",
        "score": 0.09231646378472358
      },
      {
        "context": "浅灰色中薄层状含砂屑灰泥岩，具水平层理，厚15.94米。",
        "score": 0.08308141983263695
      },
      {
        "context": "灰色中薄层状灰泥岩夹灰色深灰色微层状泥质灰岩，具水平层理，可见缝合线构造，厚114.97米。",
        "score": 0.06217976923104292
      }
    ],
    "total_hits": 12
  },
  {
    "query_text": "调查区防城组产腕足类 Mollngia sp.，M.cf.Uniqlicata(Grabuw)，Orthis sp.，Retzia sp.，Camarotoechia sp.，Eosprifer sp.，Zygospira sp.及海百合藻类介形虫等。",
    "matched_texts": [
      {
        "context": "龙潭组－下窑组灰岩中含蜓 Codonofusiella schubertelloides sheng，Schubertella sp.，Nodosaria sp.，Palaeotextularia sp.，腕足Linoproductus sp.，珊瑚 achylasma sp.，Notothyris sp.等，该组合属于晚二叠世早期。",
        "score": 0.03752773364396953
      },
      {
        "context": "梁山组深灰色中薄层状含生物屑灰泥岩与黑色炭质页岩互层。生物屑形态各异，成份为钙质，种类有有孔虫类瓣腮类介形虫。",
        "score": 0.016547664677492743
      },
      {
        "context": "深灰色中厚层状含燧石结核（条带）含藻砂屑生物屑细-微晶灰岩，沿层面弯曲分布，侧向尖灭，生物屑种类多见藻迹，少见瓣腮类介形虫及有孔虫类。厚13.04米。",
        "score": 0.016140430811288402
      }
    ],
    "total_hits": 60
  },
  {
    "query_text": "灰—深灰色粉砂质板岩及紫紫红色粉砂质板岩夹少量变质砂岩，20.59m",
    "matched_texts": [
      {
        "context": "灰黑色薄层状粉砂岩夹紫红色粉砂岩，厚2.92m。",
        "score": 0.03377729730983407
      },
      {
        "context": "紫红色褐色粉砂质灰岩夹紫红色含砾粉砂岩，厚20.06米。",
        "score": 0.033150704160341035
      },
      {
        "context": "灰色中层状细粒长石石英砂岩夹少量灰－深灰色粉砂质板岩198.71m",
        "score": 0.026548726554885018
      }
    ],
    "total_hits": 6
  },
  {
    "query_text": "寒武纪地层称高滩组、水石组。",
    "matched_texts": [
      {
        "context": "湖北省通山县蔡华生（PM016）志留系新滩组－石炭系黄龙组地层剖面",
        "score": 0.010774436362404936
      },
      {
        "context": "龙潭组－下窑组灰岩中含蜓 Codonofusiella schubertelloides sheng，Schubertella sp.，Nodosaria sp.，Palaeotextularia sp.，腕足Linoproductus sp.，珊瑚 achylasma sp.，Notothyris sp.等，该组合属于晚二叠世早期。",
        "score": 0.009910454743595433
      },
      {
        "context": "结扎群区内不整合在下伏石炭纪杂多群二叠纪开心岭群尕笛考组之上，其上局部被第三纪地层覆盖，北侧与晚三叠世的巴塘群断层接触。",
        "score": 0.009751048889452303
      }
    ],
    "total_hits": 12
  },
  {
    "query_text": "浅黄灰白色中厚层状细粒石英砂岩夹泥质粉砂岩，14m",
    "matched_texts": [
      {
        "context": "黄绿色紫红色薄-中厚层状粉砂岩夹泥质粉砂岩及粉砂质页岩，含瓣腮类化石碎片，厚39.57m。",
        "score": 0.05192910183180311
      },
      {
        "context": "灰色中－厚层状中粒石英砂岩夹深灰色粉砂质板岩9.82m",
        "score": 0.03045035333841276
      },
      {
        "context": "灰色厚层状流纹质浆屑波屑凝灰岩14.04m",
        "score": 0.00892291439844497
      }
    ],
    "total_hits": 6
  },
  {
    "query_text": "黄褐色石英云母片岩，87.2m",
    "matched_texts": [
      {
        "context": "深灰色薄层绿泥石化片岩云母石英片岩12.21m",
        "score": 0.02767195959326408
      },
      {
        "context": "灰白色褐黄色长石石英砂岩，厚14.37米。",
        "score": 0.0203074910366888
      },
      {
        "context": "灰黄色水云母页岩，泥质结构，页片状构造，纹层发育，厚15.07米。",
        "score": 0.019670934465436593
      }
    ],
    "total_hits": 6
  },
  {
    "query_text": "下伏地层云开群第二组，十字石石榴石石英二云母片岩与石榴石云母变粒岩、云母主粒岩互层该组在调查区底部为碎屑岩。",
    "matched_texts": [
      {
        "context": "青海省岩石地层保留结扎群名称，时代下延至中三叠世，并定义为指分布于唐古拉－昌都地区，超覆于古生代地层或早中三叠世地层之上，整合于察雅群或不整合于雁石坪群等新地层之下的，由碎屑岩和碳酸盐岩夹少量火山岩组成的地层，上部含煤，富含双壳类腕足类头足类和植物等化石。",
        "score": 0.017519991894437342
      },
      {
        "context": "该岩组火山岩以中基性熔岩为主，碎屑岩以富长石为特征，化石较少，区域上仅在下部层位上采有珊瑚Pinacophyllum  sp.， Margaosmilia  sp.； 海百合Cyclocyclicus  sp.；牙形刺 Epigondolella  Postera  (oxur et Mostles)E.abneptis  spatultus (Hayashi)。",
        "score": 0.014964938484503127
      },
      {
        "context": "灵乡组含有1.页岩2.泥质粉砂岩3.粉砂岩4.钙质粉砂岩5.细砂岩6.长石石英砂岩7.含砾凝灰质粗砂岩8.含砾砂岩9.砾岩10.灰岩11.泥质灰岩12.粉砂质灰岩13.泥灰岩14.层状角砾凝灰岩15.层状火山角砾岩16.安山岩17.安玄岩18.玄武岩19.流纹岩20.英安岩21.闪长岩22.透镜状砂砾岩23.气孔24.植物化石25.动物化石，厚度为409.99-947.03米，与下伏大寺组一段呈喷发不整合接触。",
        "score": 0.014166898148398345
      }
    ],
    "total_hits": 18
  },
  {
    "query_text": "调查区岩性为黄绿紫红色等杂色页岩为主偶夹砂岩，与下伏水石组上覆虎山组均呈整合接触，厚度>133m。",
    "matched_texts": [
      {
        "context": "下伏地层蒲圻组黄绿色紫红色钙质粉砂岩夹灰色粉砂微晶灰岩。",
        "score": 0.018505315167237097
      },
      {
        "context": "赋予尕笛考组新的涵义分布于唐古拉山北坡位于甲丕拉组之下地层体，由灰绿色紫红色及杂色火山碎屑岩火山岩夹灰岩及碎屑岩组成，含蜓及腕足类化石，未见底，其顶有时被甲丕拉组不整合覆盖。",
        "score": 0.018172168653785473
      },
      {
        "context": "云台观组上部黄褐色紫红色泥质粉砂岩含粉砂粘土质页岩灰白色铝土质页岩夹层中，有透镜状铁质粘土岩，含量低，Fe约5%，不具工业意义。",
        "score": 0.017493810626216678
      }
    ],
    "total_hits": 30
  },
  {
    "query_text": "灰绿色薄—中厚层状片理化云母石英岩夹黄褐色紫红色微—薄层状石英片岩，>266.1m，未见底",
    "matched_texts": [
      {
        "context": "紫灰色绿黄色薄-中厚层粉砂岩夹绿黄色长石石英细砂岩，上部含少量大小2.56cm的菱铁矿结核。",
        "score": 0.039998913603725976
      },
      {
        "context": "灰白色灰红色厚层-块状含砂屑白云岩夹浅灰色中厚层-块状白云岩，具平行层理，厚34.89米。",
        "score": 0.0395588233851644
      },
      {
        "context": "灰色薄层状中细粒长石石英砂岩与灰绿色粉砂质板岩互层242.67m",
        "score": 0.01079599812038668
      }
    ],
    "total_hits": 6
  },
  {
    "query_text": "老虎塘组（Z2lh），创名于江西省峡江县上乡老虎塘，指一套类复理石建造，调查区该组仅见于阳春市之东，出露面积约39.14m2，占调查区总面积的0.23%。",
    "matched_texts": [
      {
        "context": "测区志留系主要分布于南部孙鉴铺－团林湾毛家铺一带，出露面积约141.28m2，占图幅总面积的15.85%，地层走向北西西向，构成背斜核部地层，厚度较大。",
        "score": 0.017836024027575947
      },
      {
        "context": "北部王胜一带零星出露中上三叠统地层，出露面积约34.5m2，占图幅总面积的3.87%。",
        "score": 0.016429777467468733
      },
      {
        "context": "二叠系分布于测区南部蔡家脑向斜毛百市向斜及猪风岭向斜两翼以及铜鼓山岩体北东侧亦有分布，出露面积约56.65m2，占图幅总面积的6.36%。",
        "score": 0.012592508004673753
      }
    ],
    "total_hits": 24
  },
  {
    "query_text": "下伏地层云开群第一组，灰绿色石英云母片。",
    "matched_texts": [
      {
        "context": "上覆地层大浦组，灰白色块状微晶白云岩。",
        "score": 0.016828296476498392
      },
      {
        "context": "灰白色灰红色中薄层状白云岩，具水平层理，发育缝合线构造，厚1.10米。",
        "score": 0.014964911146981797
      },
      {
        "context": "马架山组二段紫褐色灰紫色霏细岩夹气孔杏仁状霏细岩，顶部为流纹质凝灰角砾岩，厚215.34米。",
        "score": 0.010938494668451917
      }
    ],
    "total_hits": 6
  },
  {
    "query_text": "浅黄灰色青灰色中薄层状粉砂质绢云板岩，具水平层理，5m",
    "matched_texts": [
      {
        "context": "灰色微层-薄层状夹中层状灰泥岩，具水平层理，厚1.71米。",
        "score": 0.07852860713004547
      },
      {
        "context": "浅灰色中薄层状含砂屑灰泥岩，具水平层理，厚15.94米。",
        "score": 0.06822374256197143
      },
      {
        "context": "灰色中薄层状灰泥岩夹灰色深灰色微层状泥质灰岩，具水平层理，可见缝合线构造，厚114.97米。",
        "score": 0.0674161868902283
      }
    ],
    "total_hits": 12
  },
  {
    "query_text": "连滩组（S1l）原指广东郁南连滩文头山附近含黑灰黑黄绿色条带状页岩夹薄层砂岩的地层。",
    "matched_texts": [
      {
        "context": "黄绿色-灰黑色薄层状粉砂岩夹粉砂质页岩及煤线，厚31.33m。",
        "score": 0.018284788312199034
      },
      {
        "context": "坟头组二段 灰黄色黄绿色纹层状泥质石英粉砂岩夹黄绿色页岩灰绿色粉砂质页岩，上部出现薄层石英砂岩。",
        "score": 0.017391325115956983
      },
      {
        "context": "赋予尕笛考组新的涵义分布于唐古拉山北坡位于甲丕拉组之下地层体，由灰绿色紫红色及杂色火山碎屑岩火山岩夹灰岩及碎屑岩组成，含蜓及腕足类化石，未见底，其顶有时被甲丕拉组不整合覆盖。",
        "score": 0.017331872525738402
      }
    ],
    "total_hits": 18
  },
  {
    "query_text": "大绀山组上部灰、灰白色中厚层状云母石英岩及石英岩为主，夹较多的青灰色薄—中厚层状绢云母千枚岩、石英云母片岩。",
    "matched_texts": [
      {
        "context": "大冶组一段浅灰色中薄层状微晶灰岩，具水平层理，局部可见缝合线构造；下部为黄绿色泥质页岩夹灰色薄层状泥质微晶灰岩，岩石中含泥质条带，厚1-3mm。",
        "score": 0.02688314511795423
      },
      {
        "context": "嘉陵江组三段，下部肉红色厚层白云岩角砾岩，上部浅灰色厚层块状纹层状细－微晶白云岩夹紫红色薄层灰泥岩。",
        "score": 0.02528468711183524
      },
      {
        "context": "茅山组在毛铺一带下部为灰绿色中厚层状细粒岩屑石英砂岩夹黄绿色中薄层状泥质石英粉砂岩，上部为紫红色中薄层细粒长石石英砂岩夹粉砂质页岩，长石石英砂岩中夹灰黄色砂质条带，有黑色磁铁矿小斑点，断续分布。",
        "score": 0.023886628652125385
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    ],
    "total_hits": 24
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  {
    "query_text": "砂岩中发育不对称波状层理",
    "matched_texts": [
      {
        "context": "砂岩中可见交错层理斜层理及波痕构造发育。",
        "score": 0.029417246879921807
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      {
        "context": "在砂岩层的顶面上发育冲刷泥砾，不对称波痕；底部有重荷模构造，槽模沟模沉积构造",
        "score": 0.01584791265850089
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      {
        "context": "变砂岩中发育大量的龟背石，不对称波痕，冲刷泥砾平行层理 ，为旋回性基本层序（图2-33a），下部的基本层序是由变中－细粒长石石英岩屑砂岩，变余矿物粉砂岩和粉砂质板岩的自旋回性沉积层序构成",
        "score": 0.014964217490799207
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    "total_hits": 6
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  {
    "query_text": "浅灰深灰色厚层状变质长石石英砂岩夹黑云母片岩，37.9m",
    "matched_texts": [
      {
        "context": "灰色粉砂质板岩夹灰色薄层状细粒长石石英砂岩335.03m",
        "score": 0.0566425038309921
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      {
        "context": "深灰色薄层状细粒长石石英砂岩与深灰色粉砂质板岩互层101.60m",
        "score": 0.05287004280322717
      },
      {
        "context": "灰色中层状细粒长石石英砂岩夹少量灰－深灰色粉砂质板岩198.71m",
        "score": 0.0517926720434282
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    ],
    "total_hits": 6
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  {
    "query_text": "上覆地层榴江组，薄层状硅质泥岩含硅质泥岩硅质千枚岩等 ————————————整合———————————— 东岗岭组，总厚度>118m",
    "matched_texts": [
      {
        "context": "黑色炭质页岩夹灰黑色中薄层状含生物屑炭质灰泥岩，生物屑成份为钙质，大小悬殊，大致平行微层理面分布，有腕足类介形虫瓣腮类。厚7.70米",
        "score": 0.02096289670281233
      },
      {
        "context": "龙潭组－下窑组灰岩中含蜓 Codonofusiella schubertelloides sheng，Schubertella sp.，Nodosaria sp.，Palaeotextularia sp.，腕足Linoproductus sp.，珊瑚 achylasma sp.，Notothyris sp.等，该组合属于晚二叠世早期。",
        "score": 0.010130922806721905
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      {
        "context": "青海省治多县当江乡伯切三叠纪巴塘群上碎屑岩组实测地层剖面（Ⅷ003P10） 厚度206.16m",
        "score": 0.008412925527585784
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    "total_hits": 18
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  {
    "query_text": "连滩组岩性为条带状页岩夹粉砂岩和砂岩，与下伏古墓组呈整合接触，厚度大于224m。",
    "matched_texts": [
      {
        "context": "高水位体系域为新滩组上部条带状粉砂质页岩夹细砂岩，由于海水快速进退，未形成特征明显的饥饿段沉积。",
        "score": 0.02335599937276369
      },
      {
        "context": "岩石粒度较细，主要为粉砂岩泥岩，灰岩夹层增多，砾岩偶尔可见。",
        "score": 0.017022541048542398
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      {
        "context": "新滩组岩石中普遍含薄层细砂岩或砂质条带，条带厚0.5-1cm。间距一般5-15cm，相对稀疏，未见底，厚度大于654.71米。",
        "score": 0.015652799058004156
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    ],
    "total_hits": 30
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  {
    "query_text": "灰色中厚层状细粒片理化石英砂岩夹灰—灰黑色薄层状千枚岩，120.46m",
    "matched_texts": [
      {
        "context": "灰色中－厚层状中粒石英砂岩夹深灰色粉砂质板岩9.82m",
        "score": 0.05490223346099119
      },
      {
        "context": "灰色中－厚层状亮晶含生物碎屑砾屑灰岩夹灰色中层状细晶白云岩95.00m",
        "score": 0.0493207447631139
      },
      {
        "context": "紫红色中厚层状细粒长石岩屑砂岩夹灰色中厚层状粉砂岩120.76m",
        "score": 0.040559882147954696
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    ],
    "total_hits": 6
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  {
    "query_text": "东冲组（O2d）是指一套黄白灰黄浅紫灰色含钙质细粒石英砂岩和砂岩夹石英绢云母微片岩的细碎屑岩地层序列。",
    "matched_texts": [
      {
        "context": "本组浊积岩为典型的海陆源碎屑浊流沉积，岩石结构多为不等粒细中粒等，成分复杂，以石英斜长石为主，少量钾长石，岩屑包括变砂岩千枚岩板岩酸性熔岩中基性熔岩灰岩和绢云石英片岩，偶见电气石锆石磷灰石，不透明矿物，其物源区显示陆缘造山带的岩石组合。",
        "score": 0.026711931086022028
      },
      {
        "context": "紫灰色绿黄色薄-中厚层粉砂岩夹绿黄色长石石英细砂岩，上部含少量大小2.56cm的菱铁矿结核。",
        "score": 0.025573739465773182
      },
      {
        "context": "茅口组相邻大冶幅田家山一带，岩性单一，为浅灰－灰色厚层状含燧石结核灰岩结晶生物灰岩，中部夹燧石条带灰岩，上部夹含燧石结核白云质灰岩和白云岩透镜体。",
        "score": 0.02493717049528932
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    ],
    "total_hits": 24
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  {
    "query_text": "第四系洪冲积，24.28m",
    "matched_texts": [
      {
        "context": "浅灰色厚层状灰岩18.44m",
        "score": 0.012960733344619129
      },
      {
        "context": "灰绿色巨厚层状复成分火山角砾岩13.49m",
        "score": 0.012932538310592462
      },
      {
        "context": "灰绿色细粒辉长岩(构造岩块)11.24m",
        "score": 0.012629107456484346
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    "total_hits": 6
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  {
    "query_text": "调查区罗东组仅见于广西筋竹镇北，出露面积很小，仅2.90m2，占调查区总面积的0.02%，呈北东向线状分布。",
    "matched_texts": [
      {
        "context": "泥盆系仅出露上泥盆统云台观组，出露面积约2.15m2，占图幅总面积的0.24%。",
        "score": 0.02407736307758636
      },
      {
        "context": "测区志留系主要分布于南部孙鉴铺－团林湾毛家铺一带，出露面积约141.28m2，占图幅总面积的15.85%，地层走向北西西向，构成背斜核部地层，厚度较大。",
        "score": 0.017108887524845656
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      {
        "context": "甲丕拉组在区内分布于口前曲上游－昂欠涌曲－子切曲格群涌－雅可－宗根阿尼托吉涌－东角涌扎格涌－子曲巴彦涌莫海－巴俄卡查纪永池－比唐普巴等地，呈北西向－北西西向短带状展布。",
        "score": 0.013913208886654562
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    ],
    "total_hits": 18
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  {
    "query_text": "灰黑色薄—中层状硅质岩夹灰白色微薄层状泥岩，32.00m ———————————— 整合 ———————————— 下伏地层新厂组，黄褐色中—厚层状泥质粉砂岩与灰红色厚层状泥岩互层。",
    "matched_texts": [
      {
        "context": "灰色中薄层状灰泥岩夹灰色深灰色微层状泥质灰岩，具水平层理，可见缝合线构造，厚114.97米。",
        "score": 0.04286526035743398
      },
      {
        "context": "灰色厚层状中细粒长石砂岩夹灰色中层状中粒岩屑长石砂岩及少量深灰色薄层粉砂岩116.02m",
        "score": 0.028571571817921623
      },
      {
        "context": "大冶组四段下部基本层序，灰白色灰红色厚层－块状含砂屑白云岩夹浅灰色中厚层－块状白云岩；局部夹厚层状白云岩角砾岩等。",
        "score": 0.026918883328024397
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    ],
    "total_hits": 24
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  {
    "query_text": "浮土,115.9m",
    "matched_texts": [
      {
        "context": "灰色玄武安山岩78.0m",
        "score": 0.011436279509679289
      },
      {
        "context": "灰绿色蚀变粗玄武岩139.63m",
        "score": 0.011031458914481282
      },
      {
        "context": "浅灰绿色片理化凝灰岩134.14m",
        "score": 0.010992581315932885
      }
    ],
    "total_hits": 6
  },
  {
    "query_text": "灰绿色厚层状细粒变质砂岩夹灰—深灰色中层状千枚岩及灰—深灰色辉绿岩脉，35.44m",
    "matched_texts": [
      {
        "context": "灰色厚层状中细粒长石砂岩夹灰色中层状中粒岩屑长石砂岩及少量深灰色薄层粉砂岩116.02m",
        "score": 0.0422552079547028
      },
      {
        "context": "灰绿色薄－中层状凝灰岩夹灰绿色中层状流纹质复屑熔结凝灰岩83.67m",
        "score": 0.03774661041287443
      },
      {
        "context": "深灰色薄层状细粒长石石英砂岩与深灰色粉砂质板岩互层101.60m",
        "score": 0.037530973783910994
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    ],
    "total_hits": 6
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  {
    "query_text": "灰绿色绿帘石透闪石石英片岩和含磁铁矿透辉石石榴石矽卡岩24.0m",
    "matched_texts": [
      {
        "context": "灰色英安流纹质玻屑凝灰岩8.0m",
        "score": 0.018963786043954454
      },
      {
        "context": "灰绿色全绿泥石化阳起石化辉石岩（构造岩块）76.03m",
        "score": 0.016889559404030703
      },
      {
        "context": "灰绿色中层状凝灰岩夹灰色薄层状白云石化含放射虫硅质岩29.45m",
        "score": 0.014426109404163766
      }
    ],
    "total_hits": 12
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  {
    "query_text": "红褐色石英云母片岩，夹有宽约9m的糜棱岩化构造角砾岩，121.7m",
    "matched_texts": [
      {
        "context": "浅灰色块状含白云石微-细晶灰岩，具平行层理，常见溶洞构造缝合线构造，局部可见斜层理构造，厚27.33米。",
        "score": 0.02464135966643023
      },
      {
        "context": "灰色灰岩夹粉砂质板岩（断层破坏下部地层出露不全）46.7m ",
        "score": 0.022061168778073615
      },
      {
        "context": "深灰色中薄层状燧石条带燧石结核灰岩，厚21.94米",
        "score": 0.01718588028467261
      }
    ],
    "total_hits": 12
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  {
    "query_text": "浅黄灰白色厚层块状细粒石英砂岩夹泥质细砂岩泥质粉砂岩，89m",
    "matched_texts": [
      {
        "context": "灰色粉砂质板岩夹灰色薄层状细粒长石石英砂岩335.03m",
        "score": 0.04914001137285038
      },
      {
        "context": "深灰色薄层状细粒长石石英砂岩与深灰色粉砂质板岩互层101.60m",
        "score": 0.043590285504198086
      },
      {
        "context": "紫红色中厚层状细粒长石岩屑砂岩夹灰色中厚层状粉砂岩120.76m",
        "score": 0.028183362410403947
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    ],
    "total_hits": 6
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  {
    "query_text": "调查区古墓组见于岑溪黑石村以北，郁南县连滩镇北，呈北东向带状分布，约65.88m2，占调查区总面积的0.39%。",
    "matched_texts": [
      {
        "context": "二叠系分布于测区南部蔡家脑向斜毛百市向斜及猪风岭向斜两翼以及铜鼓山岩体北东侧亦有分布，出露面积约56.65m2，占图幅总面积的6.36%。",
        "score": 0.019166370849902283
      },
      {
        "context": "泥盆系仅出露上泥盆统云台观组，出露面积约2.15m2，占图幅总面积的0.24%。",
        "score": 0.013589226158928588
      },
      {
        "context": "更新统广泛分布于测区梁子湖－金牛镇以西的垅岗地带，面积为185.725Km2，占测区总面积20.84%。",
        "score": 0.012920638802346722
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    ],
    "total_hits": 24
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  {
    "query_text": "调查区东岗岭组岩性为灰白灰—深灰色的薄—中厚层状灰岩生物碎屑灰岩泥灰岩泥质灰岩以及白云质灰岩白云岩等，夹少量钙质泥岩，以生物碎屑灰岩为主，具水平层理。",
    "matched_texts": [
      {
        "context": "灰色中薄层状灰泥岩夹灰色深灰色微层状泥质灰岩，具水平层理，可见缝合线构造，厚114.97米。",
        "score": 0.04200921291217927
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      {
        "context": "浅灰色中厚层状灰泥岩，具水平层理，岩石发育缝合线构造，厚35.67米。",
        "score": 0.041850540261891556
      },
      {
        "context": "浅灰色厚层块状纹层状细-微晶白云岩，细-微晶结构，块状构造，刀砍纹发育，局部可见晶洞构造缝合线构造，具水平层理。",
        "score": 0.04147441232031035
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    ],
    "total_hits": 54
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  {
    "query_text": "黄褐色云母石英片岩夹大理岩黑色炭质千枚岩，53.7m",
    "matched_texts": [
      {
        "context": "深灰色薄层绿泥石化片岩云母石英片岩12.21m",
        "score": 0.028448658031490125
      },
      {
        "context": "灰色粉砂质板岩夹灰色薄层状细粒长石石英砂岩335.03m",
        "score": 0.024660943077120197
      },
      {
        "context": "灰色灰岩夹粉砂质板岩（断层破坏下部地层出露不全）46.7m ",
        "score": 0.02388087547662636
      }
    ],
    "total_hits": 6
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  {
    "query_text": "信宜思贺石垌以青灰色云母石英片岩云母石英岩为主夹斜长角闪岩及大理岩透镜体。",
    "matched_texts": [
      {
        "context": "砾岩岩组在格玛龙以东其岩性为紫红色中粒长石石英砂岩，硬砂质石英砂岩粗粉砂岩，其中夹有含角砾的砂岩及灰岩，岩石粒度较粗，产有植物化石和海相瓣鳃化石。",
        "score": 0.020030518299135876
      },
      {
        "context": "茅口组相邻大冶幅田家山一带，岩性单一，为浅灰－灰色厚层状含燧石结核灰岩结晶生物灰岩，中部夹燧石条带灰岩，上部夹含燧石结核白云质灰岩和白云岩透镜体。",
        "score": 0.018312942268726137
      },
      {
        "context": "深灰色薄层绿泥石化片岩云母石英片岩12.21m",
        "score": 0.01813268309189417
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    ],
    "total_hits": 18
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  {
    "query_text": "阳春县调查区内青白口纪—寒武纪、泥盆—石炭纪、白垩纪、第四纪地层分布较为集中，蓟县纪、奥陶纪、志留纪、二叠纪、三叠—侏罗纪、古近纪地层分布零散。",
    "matched_texts": [
      {
        "context": "测区出露的地层保存较好，根据岩石组合特征化石及同位素年龄邻区地层对比等资料综合分析研究，按岩石地层单位划分由老至新为古生界志留纪－三叠纪地层中生界侏罗纪－白垩纪地层及新生界，划分正式地层单位 25 个，非正式地层单位 15 个。",
        "score": 0.020478726718351794
      },
      {
        "context": "区域上在西昆仑地区 1∶25 万区域地质调查发现晚二叠世地层角度不整合在中二叠世地层之上至少说明测区早中二叠世开心岭群与晚二叠世－早三叠世火山岩组之间的角度不整合在区域上还是有分布未见大面积出露。",
        "score": 0.015372310349015404
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      {
        "context": "全新统主要分布于测区西部梁子湖－金牛镇一带，以及丘陵垄岗地形中的冲沟地带，面积为307.53Km2，占测区总面积34.5%。",
        "score": 0.007725542374074166
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    "total_hits": 12
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  {
    "query_text": "调查区老虎塘组含有丰富的微古植物，共计有32属77种，以球藻类占优势，其总的特征表现为以 Leiopsophosphaera，rachysphaeridium，Reticulumt 等为主，大小以15~45m居多，与直径在15~30m的Synsphaeridium，Lophosphaeridium等共占总量的80%~90%；Laminarites, Taeniatum, Lignum，Polyporata 等占总量的3~5%；饰纹较复杂的Lignum，riangumorpha, Micrhystridium, Quadratimorpha 等也占3~7%；偶见有早古生代分子Favososphaeridium, Ooidium, uruchcunica 等的出现。",
    "matched_texts": [
      {
        "context": "龙潭组－下窑组灰岩中含蜓 Codonofusiella schubertelloides sheng，Schubertella sp.，Nodosaria sp.，Palaeotextularia sp.，腕足Linoproductus sp.，珊瑚 achylasma sp.，Notothyris sp.等，该组合属于晚二叠世早期。",
        "score": 0.00969344164240566
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      {
        "context": "该岩组火山岩以中基性熔岩为主，碎屑岩以富长石为特征，化石较少，区域上仅在下部层位上采有珊瑚Pinacophyllum  sp.， Margaosmilia  sp.； 海百合Cyclocyclicus  sp.；牙形刺 Epigondolella  Postera  (oxur et Mostles)E.abneptis  spatultus (Hayashi)。",
        "score": 0.009269079164591992
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      {
        "context": "邻区鄂城程潮大王冲采获Permophorus Sp.，瓣腮 Entolium discites，Pteria sp.，Mytilus ex.gr.deuliformis等。",
        "score": 0.009053697390506094
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    "query_text": "调查区坝里组主要分布于阳春—河朗云安镇安以东，恩平以南东湖水库附近有小面积出露，约233.32m2，占调查区总面积的1.38%。",
    "matched_texts": [
      {
        "context": "测区志留系主要分布于南部孙鉴铺－团林湾毛家铺一带，出露面积约141.28m2，占图幅总面积的15.85%，地层走向北西西向，构成背斜核部地层，厚度较大。",
        "score": 0.015569301279616202
      },
      {
        "context": "更新统广泛分布于测区梁子湖－金牛镇以西的垅岗地带，面积为185.725Km2，占测区总面积20.84%。",
        "score": 0.015137827545274776
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      {
        "context": "全新统主要分布于测区西部梁子湖－金牛镇一带，以及丘陵垄岗地形中的冲沟地带，面积为307.53Km2，占测区总面积34.5%。",
        "score": 0.012716236757639037
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    "query_text": "高州表壳岩组合主要见于信宜市旺沙镇一带，图幅南西角龙修附近有零星出露，面积约64.52m2，占调查区总面积的0.38%。",
    "matched_texts": [
      {
        "context": "测区志留系主要分布于南部孙鉴铺－团林湾毛家铺一带，出露面积约141.28m2，占图幅总面积的15.85%，地层走向北西西向，构成背斜核部地层，厚度较大。",
        "score": 0.018399295539667234
      },
      {
        "context": "二叠系分布于测区南部蔡家脑向斜毛百市向斜及猪风岭向斜两翼以及铜鼓山岩体北东侧亦有分布，出露面积约56.65m2，占图幅总面积的6.36%。",
        "score": 0.017465085079275643
      },
      {
        "context": "北部王胜一带零星出露中上三叠统地层，出露面积约34.5m2，占图幅总面积的3.87%。",
        "score": 0.014886472926272253
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    "query_text": "调查区合浦组出露于广西岑溪市归义镇附近，约50.77m2，占调查区总面积的0.30%。",
    "matched_texts": [
      {
        "context": "二叠系分布于测区南部蔡家脑向斜毛百市向斜及猪风岭向斜两翼以及铜鼓山岩体北东侧亦有分布，出露面积约56.65m2，占图幅总面积的6.36%。",
        "score": 0.01801777776433678
      },
      {
        "context": "测区志留系主要分布于南部孙鉴铺－团林湾毛家铺一带，出露面积约141.28m2，占图幅总面积的15.85%，地层走向北西西向，构成背斜核部地层，厚度较大。",
        "score": 0.016595809201119666
      },
      {
        "context": "北部王胜一带零星出露中上三叠统地层，出露面积约34.5m2，占图幅总面积的3.87%。",
        "score": 0.013409328256820065
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    "total_hits": 12
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    "query_text": "新厂组岩性组合为黄褐色泥质粉砂岩与浅灰红色泥岩互层夹有少量的细砂岩。",
    "matched_texts": [
      {
        "context": "云台观组上部黄褐色紫红色泥质粉砂岩含粉砂粘土质页岩灰白色铝土质页岩夹层中，有透镜状铁质粘土岩，含量低，Fe约5%，不具工业意义。",
        "score": 0.03489582761346146
      },
      {
        "context": "下伏地层蒲圻组黄绿色紫红色钙质粉砂岩夹灰色粉砂微晶灰岩。",
        "score": 0.026801979803226128
      },
      {
        "context": "蒲圻组出露于测区北东角王胜附近，岩性为紫红色泥质粉砂岩粉砂质泥岩夹黄绿色含钙质粉砂岩含铁质结核粉砂质泥岩，具交错层理及波痕构造，产瓣鳃类及植物化石碎片，为内陆湖相沉积。",
        "score": 0.02480446462195863
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    ],
    "total_hits": 18
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  {
    "query_text": "信都组岩性下部为浅黄浅灰白色厚层块状细粒石英砂岩夹粉砂岩，局部夹含砾砂岩；中部为浅黄灰色中厚层状粉砂质泥岩泥质粉砂岩夹细粒石英砂岩；上部为灰白色中厚层状石英砂岩泥岩，具粒序层理水平层理。",
    "matched_texts": [
      {
        "context": "大冶组一段浅灰色中薄层状微晶灰岩，具水平层理，局部可见缝合线构造；下部为黄绿色泥质页岩夹灰色薄层状泥质微晶灰岩，岩石中含泥质条带，厚1-3mm。",
        "score": 0.03223602103339379
      },
      {
        "context": "茅山组在毛铺一带下部为灰绿色中厚层状细粒岩屑石英砂岩夹黄绿色中薄层状泥质石英粉砂岩，上部为紫红色中薄层细粒长石石英砂岩夹粉砂质页岩，长石石英砂岩中夹灰黄色砂质条带，有黑色磁铁矿小斑点，断续分布。",
        "score": 0.028962184998338948
      },
      {
        "context": "九里岗组土黄色石英细砂岩与土黄色薄层状粉砂岩泥质粉砂岩及灰黑色粉砂质页岩互层。",
        "score": 0.023486072533556394
      }
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    "total_hits": 60
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  {
    "query_text": "黄褐色云母石英片岩夹大理岩黑色炭质千枚岩，53.7m",
    "matched_texts": [
      {
        "context": "深灰色薄层绿泥石化片岩云母石英片岩12.21m",
        "score": 0.028448658031490125
      },
      {
        "context": "灰色粉砂质板岩夹灰色薄层状细粒长石石英砂岩335.03m",
        "score": 0.024660943077120197
      },
      {
        "context": "灰色灰岩夹粉砂质板岩（断层破坏下部地层出露不全）46.7m ",
        "score": 0.02388087547662636
      }
    ],
    "total_hits": 6
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  {
    "query_text": "云开群第一组顶部以大理岩为标志与上覆云开群第二组呈整合接触，总厚>1417m。",
    "matched_texts": [
      {
        "context": "火山岩组（3Bt2） 出露局限，呈窄条带状展布于日啊谷－扎茶也改等地，分别与上下伏地层整合接触，大部分断层接触，局部新近纪曲果组不整合其上，控制厚度大于 1033.81m。",
        "score": 0.01220283223907988
      },
      {
        "context": "紫红色灰黄色灰绿色粉砂质页岩，含粉砂泥质结构，页片状构造，纹层发育，厚3.76m。",
        "score": 0.010842674833085578
      },
      {
        "context": "区域上在西昆仑地区 1∶25 万区域地质调查发现晚二叠世地层角度不整合在中二叠世地层之上至少说明测区早中二叠世开心岭群与晚二叠世－早三叠世火山岩组之间的角度不整合在区域上还是有分布未见大面积出露。",
        "score": 0.01041769880395536
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    ],
    "total_hits": 18
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  {
    "query_text": "灰色薄—中层状细砂岩为主夹粉砂岩，55m ————————————整合———————————— 下伏地层大岗顶组，灰—深灰色薄层状含粉砂质泥岩",
    "matched_texts": [
      {
        "context": "灰色中厚层状细粒长石石英砂岩与深灰色粉砂质板岩互层（向斜核部）未见顶47.09m",
        "score": 0.032167086654212654
      },
      {
        "context": "灰色厚层状中细粒长石砂岩夹灰色中层状中粒岩屑长石砂岩及少量深灰色薄层粉砂岩116.02m",
        "score": 0.03198273588158345
      },
      {
        "context": "灰色中薄层状灰泥岩夹灰色深灰色微层状泥质灰岩，具水平层理，可见缝合线构造，厚114.97米。",
        "score": 0.03184677626468551
      }
    ],
    "total_hits": 18
  },
  {
    "query_text": "大绀山组上部浅灰—灰绿色云母石英片岩、十字石云母石英片岩、灰黑色红柱石二云母片岩、灰黑色炭质云母片岩、炭质绢云母千枚岩夹薄层状含十字石白云母片岩及少量灰色粗屑酸性沉凝灰岩。",
    "matched_texts": [
      {
        "context": "新滩组灰黄－黄绿色水云母页岩灰黄色灰绿色含粉砂质水云母页岩与含铁泥质石英粉砂岩互层产出，局部夹灰黄色粉砂质粘土岩。",
        "score": 0.02289867580488312
      },
      {
        "context": "灰绿色中层状凝灰岩夹灰色薄层状白云石化含放射虫硅质岩29.45m",
        "score": 0.02118848842640734
      },
      {
        "context": "灰色中－厚层状亮晶含生物碎屑砾屑灰岩夹灰色中层状细晶白云岩95.00m",
        "score": 0.020484471376017548
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    ],
    "total_hits": 42
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  {
    "query_text": "岩石普遍受浅变质作用，泥岩多数具千枚状构造。",
    "matched_texts": [
      {
        "context": "灰黄色灰绿色纹层状含泥砂质石英粉砂岩，含泥砂质粉砂状结构，页片状构造，纹层发育，厚21.75米。",
        "score": 0.010877775898496223
      },
      {
        "context": "灰黄色灰绿色含泥质砂质石英粉砂岩，含泥质砂质粉砂状结构，页片状构造，纹层发育。夹薄层中 -细粒石英砂岩，层厚1-8cm。厚6.68米",
        "score": 0.010564728386565629
      },
      {
        "context": "灰黄色水云母页岩，泥质结构，页片状构造，纹层发育，厚15.07米。",
        "score": 0.010556307379968032
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    ],
    "total_hits": 6
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  {
    "query_text": "调查区连县组分布于云开分区的云浮高峰镇安春湾麻塘等地，出露面积约74.62m2，占总面积0.44%。",
    "matched_texts": [
      {
        "context": "测区志留系主要分布于南部孙鉴铺－团林湾毛家铺一带，出露面积约141.28m2，占图幅总面积的15.85%，地层走向北西西向，构成背斜核部地层，厚度较大。",
        "score": 0.02102972354526175
      },
      {
        "context": "二叠系分布于测区南部蔡家脑向斜毛百市向斜及猪风岭向斜两翼以及铜鼓山岩体北东侧亦有分布，出露面积约56.65m2，占图幅总面积的6.36%。",
        "score": 0.02008747409194441
      },
      {
        "context": "更新统广泛分布于测区梁子湖－金牛镇以西的垅岗地带，面积为185.725Km2，占测区总面积20.84%。",
        "score": 0.014868532281476634
      }
    ],
    "total_hits": 12
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  {
    "query_text": "大绀山组源于广东省地质局综合研究大队728分队（1967）以云浮县大降坪剖面创名的大绀山群，以代表该区前寒武纪地层。",
    "matched_texts": [
      {
        "context": "马架山组与灵乡岩体喷发不整合接触，1凝灰质角砾岩；2角闪闪长玢岩，占测区总面积的14.86%。",
        "score": 0.011450631426248864
      },
      {
        "context": "一早中三叠世地层 测区早中三叠世地层只分布在测区分布在测区查涌一带的格仁康巴让赛日阿日曲一带，由三叠纪查涌蛇绿混杂岩早中三叠世结隆组组成。",
        "score": 0.009777383117782139
      },
      {
        "context": "1∶20万武汉幅将马架山组其定为中侏罗世晚期。",
        "score": 0.009722948776189694
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    ],
    "total_hits": 12
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  {
    "query_text": "青白口纪—震旦纪地层广泛分布于云浮及罗定—信宜—阳春一带。",
    "matched_texts": [
      {
        "context": "早中二叠世九十道班组灰色灰岩 断层 巴贡组 厚度2234.26m ",
        "score": 0.012146049123889108
      },
      {
        "context": "浅灰绿色片理化凝灰岩夹灰绿色片理化玄武安山岩   断层   早中二叠世俄巴达动灰岩（P1-2ca）",
        "score": 0.011946646600033705
      },
      {
        "context": "全新统主要分布于测区西部梁子湖－金牛镇一带，以及丘陵垄岗地形中的冲沟地带，面积为307.53Km2，占测区总面积34.5%。",
        "score": 0.006615577375080706
      }
    ],
    "total_hits": 12
  },
  {
    "query_text": "合浦组腕足类繁盛，另外还有海丰蛤藻类及介形虫等。",
    "matched_texts": [
      {
        "context": "生物屑种类有棘皮类和介形虫。",
        "score": 0.022640161482499442
      },
      {
        "context": "栖霞组生物屑种类繁多，形态各异，有棘皮类（海百合茎）有孔虫类腕足类瓣腮类蓝藻类腹足类介形虫等。",
        "score": 0.021034151288877763
      },
      {
        "context": "生物屑主要是瓣腮类，含少量的有孔虫类介形虫及蓝藻类等。",
        "score": 0.01590026086809078
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    ],
    "total_hits": 24
  },
  {
    "query_text": "莲花山组发现了鱼类 Antiarchi，Arthrodira，Asterolepiformes，Placodermi，Euarthrodira及腕足类 Lingula sp.等化石，南京古生物研究所鉴定其时代属早泥盆世—中泥盆世早期",
    "matched_texts": [
      {
        "context": "龙潭组－下窑组灰岩中含蜓 Codonofusiella schubertelloides sheng，Schubertella sp.，Nodosaria sp.，Palaeotextularia sp.，腕足Linoproductus sp.，珊瑚 achylasma sp.，Notothyris sp.等，该组合属于晚二叠世早期。",
        "score": 0.018833333932028896
      },
      {
        "context": "本次工作将马架山组其时代暂定为晚侏罗世晚期。",
        "score": 0.014908325490857117
      },
      {
        "context": "1∶5万大冶幅将马架山组时代定为早白垩世早期。",
        "score": 0.014474073616000636
      }
    ],
    "total_hits": 42
  },
  {
    "query_text": "调查区东冲组分布于广西筋竹镇北广东郁南历洞镇北河口—葵洞一带，仅31.00m2，占调查区总面积的0.18%。",
    "matched_texts": [
      {
        "context": "更新统广泛分布于测区梁子湖－金牛镇以西的垅岗地带，面积为185.725Km2，占测区总面积20.84%。",
        "score": 0.015331579085270679
      },
      {
        "context": "全新统主要分布于测区西部梁子湖－金牛镇一带，以及丘陵垄岗地形中的冲沟地带，面积为307.53Km2，占测区总面积34.5%。",
        "score": 0.013356839327022042
      },
      {
        "context": "测区志留系主要分布于南部孙鉴铺－团林湾毛家铺一带，出露面积约141.28m2，占图幅总面积的15.85%，地层走向北西西向，构成背斜核部地层，厚度较大。",
        "score": 0.012480785625233826
      }
    ],
    "total_hits": 12
  },
  {
    "query_text": "灰绿色中厚层状钙质泥岩夹灰黑色泥岩，19.01m",
    "matched_texts": [
      {
        "context": "灰色中薄层状灰泥岩夹灰色深灰色微层状泥质灰岩，具水平层理，可见缝合线构造，厚114.97米。",
        "score": 0.049200882614404993
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      {
        "context": "灰色绿泥绢云片岩（构造岩块）149.01m",
        "score": 0.017625821764337066
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      {
        "context": "灰绿色全绿泥石化阳起石化辉石岩（构造岩块）76.03m",
        "score": 0.016873839112516806
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  {
    "query_text": "桂东南分区包括莲花山组信都组东岗岭组及榴江组。",
    "matched_texts": [
      {
        "context": "二叠系由下至上分为下统梁山组，中统栖霞组茅口组，上统龙潭组下窑组大隆组。",
        "score": 0.00840224732977238
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      {
        "context": "全新统主要分布于测区西部梁子湖－金牛镇一带，以及丘陵垄岗地形中的冲沟地带，面积为307.53Km2，占测区总面积34.5%。",
        "score": 0.00759726763610279
      },
      {
        "context": "更新统广泛分布于测区梁子湖－金牛镇以西的垅岗地带，面积为185.725Km2，占测区总面积20.84%。",
        "score": 0.007525726872423656
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    "total_hits": 24
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  {
    "query_text": "片状石英岩与云母石英片岩互层，107.8m",
    "matched_texts": [
      {
        "context": "灰色灰岩夹粉砂质板岩（断层破坏下部地层出露不全）46.7m ",
        "score": 0.021934893503508156
      },
      {
        "context": "深灰色薄－中层状中细粒长石石英砂岩与深灰色粉砂质板岩互层448.97m",
        "score": 0.017956332815762643
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      {
        "context": "深灰色薄层绿泥石化片岩云母石英片岩12.21m",
        "score": 0.01617736450105743
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    ],
    "total_hits": 12
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  {
    "query_text": "灰白灰绿色云母石英片岩夹片状石英岩，层面平整，145.2m",
    "matched_texts": [
      {
        "context": "灰色粉砂质板岩夹灰色薄层状细粒长石石英砂岩335.03m",
        "score": 0.029443726040272393
      },
      {
        "context": "深灰色薄层绿泥石化片岩云母石英片岩12.21m",
        "score": 0.029368069595907847
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      {
        "context": "灰色中层状细粒长石石英砂岩夹少量灰－深灰色粉砂质板岩198.71m",
        "score": 0.029118750794216417
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    ],
    "total_hits": 6
  },
  {
    "query_text": "云开群第一组，总厚度>1417.8m",
    "matched_texts": [
      {
        "context": "砂岩组（2-3B） 厚度2959.61m",
        "score": 0.015453469343482218
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      {
        "context": "尕笛考组成带分布于测区龙玛能纳日贡玛及子曲一带，分布面积 330m2，控制最大厚度1614.37m。",
        "score": 0.014583723224361156
      },
      {
        "context": "早中二叠世九十道班组灰色灰岩 断层 巴贡组 厚度2234.26m ",
        "score": 0.013754959559545777
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    "query_text": "深灰色中层状粉砂质灰岩，含腕足 Cyrtospirfer sp. Cyrtospirfer sp.，110.4m",
    "matched_texts": [
      {
        "context": "浅灰色中薄层状含砂屑灰泥岩，具水平层理，厚15.94米。",
        "score": 0.03946278204905871
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      {
        "context": "浅灰色中厚层状灰泥岩，具水平层理，岩石发育缝合线构造，厚35.67米。",
        "score": 0.039292694329416566
      },
      {
        "context": "龙潭组－下窑组灰岩中含蜓 Codonofusiella schubertelloides sheng，Schubertella sp.，Nodosaria sp.，Palaeotextularia sp.，腕足Linoproductus sp.，珊瑚 achylasma sp.，Notothyris sp.等，该组合属于晚二叠世早期。",
        "score": 0.019093486222621817
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  {
    "query_text": "罗洪组岩性为以灰黄白及青灰色砾岩砂砾岩石英砂岩及含砾千枚岩为主夹泥质粉砂岩，局部夹灰岩透镜体。",
    "matched_texts": [
      {
        "context": "甲丕拉组岩性组合为灰紫色厚层中细粒岩屑石英砂岩岩屑长石砂岩夹巨厚层复成分砾岩含砾粗砂岩长石石英砂岩泥质粉砂岩及微晶灰岩透镜，局部夹中基性火山角砾岩",
        "score": 0.021003225808574277
      },
      {
        "context": "上部基本层序 A层为泥质粉砂岩，向上层厚减薄，显示进积型层序。",
        "score": 0.020129312774216812
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      {
        "context": "坟头组一段下部紫红色，灰黄色灰绿色粉砂质页岩含粉砂水云母页岩夹薄层细砂岩泥质石英粉砂岩，水平层理平行层理发育，单层厚1-6cm。",
        "score": 0.016931341596197993
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    "total_hits": 36
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  {
    "query_text": "灰色中层状片理化变质粉砂岩夹薄层状千枚岩，15.50m",
    "matched_texts": [
      {
        "context": "灰色厚层状生物屑灰岩夹黑色薄层状透镜状炭质页岩，厚13.05米。",
        "score": 0.0360429255426035
      },
      {
        "context": "灰色中－厚层状中粒石英砂岩夹深灰色粉砂质板岩9.82m",
        "score": 0.03586515324067512
      },
      {
        "context": "灰色薄层状中细粒长石石英砂岩与灰绿色粉砂质板岩互层242.67m",
        "score": 0.03534958458062081
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    ],
    "total_hits": 6
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  {
    "query_text": "连县组为灰色中厚层状细晶白云岩白云质灰岩夹少量灰黑色泥质灰岩。",
    "matched_texts": [
      {
        "context": "灰色中薄层状灰泥岩夹灰色深灰色微层状泥质灰岩，具水平层理，可见缝合线构造，厚114.97米。",
        "score": 0.0312806743177101
      },
      {
        "context": "九里岗组土黄色石英细砂岩与土黄色薄层状粉砂岩泥质粉砂岩及灰黑色粉砂质页岩互层。",
        "score": 0.025732456816287747
      },
      {
        "context": "地层大隆组灰黑色中层状炭质粘土岩夹灰色浅灰色含白云石粘土岩。",
        "score": 0.024918977012418613
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    "total_hits": 18
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    "query_text": "灰黄灰红色中—厚层状变质粉砂岩夹浅紫红色薄层状千枚岩，89.49m",
    "matched_texts": [
      {
        "context": "紫红色中厚层状细粒长石岩屑砂岩夹灰色中厚层状粉砂岩120.76m",
        "score": 0.03791238069674036
      },
      {
        "context": "黄绿色紫红色薄-中厚层状粉砂岩夹泥质粉砂岩及粉砂质页岩，含瓣腮类化石碎片，厚39.57m。",
        "score": 0.03769582433156864
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      {
        "context": "灰色中层状细粒长石石英砂岩夹少量灰－深灰色粉砂质板岩198.71m",
        "score": 0.020581083670870047
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    "total_hits": 6
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    "query_text": "浅灰深灰色厚层状变质长石石英砂岩夹黑云母片岩，37.9m",
    "matched_texts": [
      {
        "context": "灰色粉砂质板岩夹灰色薄层状细粒长石石英砂岩335.03m",
        "score": 0.0566425038309921
      },
      {
        "context": "深灰色薄层状细粒长石石英砂岩与深灰色粉砂质板岩互层101.60m",
        "score": 0.05287004280322717
      },
      {
        "context": "灰色中层状细粒长石石英砂岩夹少量灰－深灰色粉砂质板岩198.71m",
        "score": 0.0517926720434282
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    ],
    "total_hits": 6
  },
  {
    "query_text": "调查区坑坪细碧-角斑岩系的整体面貌，其南界和北界均与云开群呈断层接触。",
    "matched_texts": [
      {
        "context": "三叠纪查涌蛇绿混杂岩(ch) 本次工作新发现建立的构造岩石地层填图单位，1∶20 万区调青海省区域地质志归入晚三叠世巴塘群。区域上系指苟鲁山克错登俄涌曲玉树断裂以北，西金乌兰湖治多歇武一线以南的玉树－中甸地层分区，北侧与巴颜喀拉山群毗连。",
        "score": 0.010276753846687003
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      {
        "context": "黑云母流纹岩，喷发不整合灵乡组。",
        "score": 0.009725783912129192
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      {
        "context": "这层底砾岩出露宽度约 40m，不整合于二叠系开心岭群的不同层位上。",
        "score": 0.0076173552866963265
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    "total_hits": 6
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  {
    "query_text": "灰绿色页岩夹绿色砂岩，含笔石 Pristiograptus aff. dubius，2.0m",
    "matched_texts": [
      {
        "context": "灰黄色灰绿色粉砂质页岩夹含铁砂质石英粉砂岩，砂质粉砂状结构，页片状构造，纹层发育，厚4.31米。",
        "score": 0.024065833656712467
      },
      {
        "context": "该岩组火山岩以中基性熔岩为主，碎屑岩以富长石为特征，化石较少，区域上仅在下部层位上采有珊瑚Pinacophyllum  sp.， Margaosmilia  sp.； 海百合Cyclocyclicus  sp.；牙形刺 Epigondolella  Postera  (oxur et Mostles)E.abneptis  spatultus (Hayashi)。",
        "score": 0.014579126062189975
      },
      {
        "context": "灰色薄层状亮晶砂屑灰岩夹灰色厚层状粉晶含鲕粒生物碎屑灰岩产苔藓虫 Stenopora sp.indet",
        "score": 0.013419572763034253
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    ],
    "total_hits": 12
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  {
    "query_text": "灰浅黄色中薄层状变斑状黑云红柱石角岩夹少量角岩化细中粒石英杂砂岩，30m",
    "matched_texts": [
      {
        "context": "灰色中－厚层状泥晶含生物碎屑砾灰岩夹少量灰色中层状菱铁矿化粉亮晶砂岩灰岩73.66m",
        "score": 0.043045550180371796
      },
      {
        "context": "灰色中层状细粒长石石英砂岩夹少量灰－深灰色粉砂质板岩198.71m",
        "score": 0.040996986969181255
      },
      {
        "context": "灰色中－厚层状亮晶含生物碎屑砾屑灰岩夹灰色中层状细晶白云岩95.00m",
        "score": 0.03879945248819487
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    ],
    "total_hits": 6
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  {
    "query_text": "青白口纪—震旦纪地层广泛分布于云浮及罗定—信宜—阳春一带。",
    "matched_texts": [
      {
        "context": "早中二叠世九十道班组灰色灰岩 断层 巴贡组 厚度2234.26m ",
        "score": 0.012146049123889108
      },
      {
        "context": "浅灰绿色片理化凝灰岩夹灰绿色片理化玄武安山岩   断层   早中二叠世俄巴达动灰岩（P1-2ca）",
        "score": 0.011946646600033705
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      {
        "context": "全新统主要分布于测区西部梁子湖－金牛镇一带，以及丘陵垄岗地形中的冲沟地带，面积为307.53Km2，占测区总面积34.5%。",
        "score": 0.006615577375080706
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    ],
    "total_hits": 12
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  {
    "query_text": "灰黑色片理化云母长石石英岩夹云母微片岩，薄层、条带状，单层厚23cm，46.2m",
    "matched_texts": [
      {
        "context": "深灰色薄层绿泥石化片岩云母石英片岩12.21m",
        "score": 0.03062691093983482
      },
      {
        "context": "灰色粉砂质板岩夹灰色薄层状细粒长石石英砂岩335.03m",
        "score": 0.026482872771003325
      },
      {
        "context": "浅灰色块状含白云石微-细晶灰岩，具平行层理，常见溶洞构造缝合线构造，局部可见斜层理构造，厚27.33米。",
        "score": 0.02572111530643022
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    "total_hits": 12
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  {
    "query_text": "灰暗灰色中厚层状角岩化含砂泥质砾岩，5m",
    "matched_texts": [
      {
        "context": "浅灰色中薄层状含砂屑灰泥岩，具水平层理，厚15.94米。",
        "score": 0.04674924372918951
      },
      {
        "context": "浅灰色中厚层状灰泥岩，具水平层理，岩石发育缝合线构造，厚35.67米。",
        "score": 0.03634333459910575
      },
      {
        "context": "深灰色薄－中层状中细粒长石石英砂岩与深灰色粉砂质板岩互层448.97m",
        "score": 0.003963049354102657
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    ],
    "total_hits": 6
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  {
    "query_text": "调查区大部属云开大山云雾山山脉，它们构成总体上呈北西－南东走向的中低山地势，平均海拔1000m左右。",
    "matched_texts": [
      {
        "context": "根据剖面和路线资料，甲丕拉组岩性在区内横向岩性变化不大，空间上受断层围限，呈断块体产于断裂带中，总体呈南西－北东向的单斜产出，岩层产状 50－60°，而在纳日贡玛东南一带，总体呈南西－北东向的向斜产出，岩层产状 20－40°，地貌上灰岩漂浮在山顶之上。",
        "score": 0.015304345049924582
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      {
        "context": "甲丕拉组在区内分布于口前曲上游－昂欠涌曲－子切曲格群涌－雅可－宗根阿尼托吉涌－东角涌扎格涌－子曲巴彦涌莫海－巴俄卡查纪永池－比唐普巴等地，呈北西向－北西西向短带状展布。",
        "score": 0.013555221767779955
      },
      {
        "context": "火山岩盆地南部木麻树－三角山一带出现一套酸性熔岩岩穹，为流纹岩球粒流纹岩。",
        "score": 0.00904550939098226
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  {
    "query_text": "老虎塘组，江西区测队（1964）创名于江西省峡江县上乡老虎塘，指介于下坊组与里坑组之间的一套类复理石建造，调查区该组仅见于阳春市之东，出露面积约39.14m2，占调查区总面积的0.23%。",
    "matched_texts": [
      {
        "context": "北部王胜一带零星出露中上三叠统地层，出露面积约34.5m2，占图幅总面积的3.87%。",
        "score": 0.016312061768592786
      },
      {
        "context": "测区志留系主要分布于南部孙鉴铺－团林湾毛家铺一带，出露面积约141.28m2，占图幅总面积的15.85%，地层走向北西西向，构成背斜核部地层，厚度较大。",
        "score": 0.016111624924833232
      },
      {
        "context": "二叠系分布于测区南部蔡家脑向斜毛百市向斜及猪风岭向斜两翼以及铜鼓山岩体北东侧亦有分布，出露面积约56.65m2，占图幅总面积的6.36%。",
        "score": 0.012050948876683744
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  {
    "query_text": "上覆地层云开群第二组，上部厚层状角岩化云母长石石英岩夹石英黑云母片岩",
    "matched_texts": [
      {
        "context": "茅山组顶部基本层序A厚层块状长石石英砂岩B粉砂质页岩",
        "score": 0.02603562637151996
      },
      {
        "context": "茅山组上部基本层序A厚层长石石英砂岩B粉砂质页岩",
        "score": 0.023087467969423268
      },
      {
        "context": "深灰色薄层状细粒长石石英砂岩与深灰色粉砂质板岩互层101.60m",
        "score": 0.021570865638943417
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    "total_hits": 12
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  {
    "query_text": "灰白—灰绿色片状石英岩夹云母石英片岩和石英云母片岩，68.6m",
    "matched_texts": [
      {
        "context": "灰黄色黄绿色纹层状泥质石英粉砂岩夹含铁砂质石英粉砂岩，夹层厚2-10cm不等，岩石含少量黄铁矿，铁质矿物含量8%，厚8.77米",
        "score": 0.023098801337302733
      },
      {
        "context": "灰色中层状细粒长石石英砂岩夹少量灰－深灰色粉砂质板岩198.71m",
        "score": 0.011810701501892458
      },
      {
        "context": "灰色薄层状中细粒长石石英砂岩与灰绿色粉砂质板岩互层242.67m",
        "score": 0.011770057867894678
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    "total_hits": 6
  },
  {
    "query_text": "调查区莲花山组划归于下泥盆统。",
    "matched_texts": [
      {
        "context": "茅山组由于顶部与泥盆系云台观组区域不整合面限制，与邻区对比，时代暂定为晚志留世。",
        "score": 0.008770315127662779
      },
      {
        "context": "流纹岩喷发不整合大寺组一段。",
        "score": 0.00850960947286153
      },
      {
        "context": "测区仅见上泥盆统，分为佘田桥阶锡矿山阶。",
        "score": 0.008486668810261907
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    "total_hits": 6
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  {
    "query_text": "坑坪细碧-角斑岩系的岩石已明显变形和变质，其原岩的岩石组合主要有层状辉长岩、辉长辉绿岩（席）、细碧岩辉石角斑岩、石英角斑岩、硅质岩等。",
    "matched_texts": [
      {
        "context": "浅灰色厚层纹层状含灰质中-细晶白云岩，中-细晶结构，块状构造，发育稀疏的刀砍纹，具水平层理，单层厚度30-40cm，厚13.25米。",
        "score": 0.014437853188869617
      },
      {
        "context": "茅口组相邻大冶幅田家山一带，岩性单一，为浅灰－灰色厚层状含燧石结核灰岩结晶生物灰岩，中部夹燧石条带灰岩，上部夹含燧石结核白云质灰岩和白云岩透镜体。",
        "score": 0.012493446573344828
      },
      {
        "context": "嘉陵江组三段基本层序由A薄－中厚层状结晶白云岩；B灰质白云岩；C溶崩角砾岩组成。",
        "score": 0.011682537871630413
      }
    ],
    "total_hits": 30
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  {
    "query_text": "大绀山组主要岩性为石英云母片岩云母石英片岩变质石英砂岩变质长石石英砂岩变质粉砂岩石英岩夹黑色炭质千枚岩灰白色硅质岩（锰质）灰岩凝灰岩及黄铁矿层，底部以灰白色砾岩为标志与下伏云开群第二组呈平行不整合接触，顶部与上覆坝里组呈整合接触，厚度890-1508m。",
    "matched_texts": [
      {
        "context": "蒲圻组出露于测区北东角王胜附近，岩性为紫红色泥质粉砂岩粉砂质泥岩夹黄绿色含钙质粉砂岩含铁质结核粉砂质泥岩，具交错层理及波痕构造，产瓣鳃类及植物化石碎片，为内陆湖相沉积。",
        "score": 0.018809758136061346
      },
      {
        "context": "大冶组四段主要岩性下部为浅灰色块状含白云石微-细晶灰岩中部为浅灰色厚层状微晶灰岩，上部为浅灰色块状含砂屑微－细晶灰岩，顶部为浅灰色块状鲕粒灰岩。常见溶蚀构造缝合线构造，局部可见斜层理构造，顶部发育鸟眼构造晶洞构造。",
        "score": 0.018566251695718693
      },
      {
        "context": "九里岗组土黄色石英细砂岩与土黄色薄层状粉砂岩泥质粉砂岩及灰黑色粉砂质页岩互层。",
        "score": 0.017251862490262494
      }
    ],
    "total_hits": 90
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  {
    "query_text": "前人在调查区测制了一系列剖面，测得天子岭组厚度为787.6m。",
    "matched_texts": [
      {
        "context": "甲丕拉组测区内广泛与下伏石炭纪杂多群中二叠世开心岭群呈广泛的角度不整合关系，与上覆波里拉组呈整合接触，厚度大于 220.75m。",
        "score": 0.010936795183244221
      },
      {
        "context": "火山岩组（3Bt2） 出露局限，呈窄条带状展布于日啊谷－扎茶也改等地，分别与上下伏地层整合接触，大部分断层接触，局部新近纪曲果组不整合其上，控制厚度大于 1033.81m。",
        "score": 0.010589831783650461
      },
      {
        "context": "尕笛考组成带分布于测区龙玛能纳日贡玛及子曲一带，分布面积 330m2，控制最大厚度1614.37m。",
        "score": 0.010497610542589318
      }
    ],
    "total_hits": 6
  },
  {
    "query_text": "高滩组岩性为灰灰绿紫红色变质（石英）砂岩变质粉砂岩云母石英片岩薄层状（含炭质）绢云母千枚岩，保留有水平层理。",
    "matched_texts": [
      {
        "context": "浅灰色厚层块状纹层状细-微晶白云岩，细-微晶结构，块状构造，刀砍纹发育，局部可见晶洞构造缝合线构造，具水平层理。",
        "score": 0.03330798065539002
      },
      {
        "context": "灰色微层-薄层状夹中层状灰泥岩，具水平层理，厚1.71米。",
        "score": 0.031043357188258913
      },
      {
        "context": "浅灰色中薄层状含砂屑灰泥岩，具水平层理，厚15.94米。",
        "score": 0.030972217291116027
      }
    ],
    "total_hits": 30
  },
  {
    "query_text": "灰白—灰绿色片状石英岩夹云母石英片岩和石英云母片岩，68.6m",
    "matched_texts": [
      {
        "context": "灰黄色黄绿色纹层状泥质石英粉砂岩夹含铁砂质石英粉砂岩，夹层厚2-10cm不等，岩石含少量黄铁矿，铁质矿物含量8%，厚8.77米",
        "score": 0.022313963361045342
      },
      {
        "context": "茅山组在毛铺一带下部为灰绿色中厚层状细粒岩屑石英砂岩夹黄绿色中薄层状泥质石英粉砂岩，上部为紫红色中薄层细粒长石石英砂岩夹粉砂质页岩，长石石英砂岩中夹灰黄色砂质条带，有黑色磁铁矿小斑点，断续分布。",
        "score": 0.012772573891140782
      },
      {
        "context": "深灰色薄层绿泥石化片岩云母石英片岩12.21m",
        "score": 0.012307084829691424
      }
    ],
    "total_hits": 18
  },
  {
    "query_text": "浅灰灰白色厚层状块状细粒石英砂岩夹薄层状泥质粉砂岩或细粒石英砂岩，84m",
    "matched_texts": [
      {
        "context": "灰色厚层状中细粒长石砂岩夹灰色中层状中粒岩屑长石砂岩及少量深灰色薄层粉砂岩116.02m",
        "score": 0.053420160657448805
      },
      {
        "context": "灰绿色中层状中粒岩屑砂岩夹灰紫色中层状岩屑长石砂岩50.02m",
        "score": 0.041668690011469285
      },
      {
        "context": "紫红色中厚层状细粒长石岩屑砂岩夹灰色中厚层状粉砂岩120.76m",
        "score": 0.02479184382551209
      }
    ],
    "total_hits": 6
  },
  {
    "query_text": "古墓组发育水平层理纹层及条带状构造，厚543m。",
    "matched_texts": [
      {
        "context": "下部基本层序如图，其中A层发育水平层理，岩层层面发育波痕构造，向上薄层石英砂岩夹曾减薄。",
        "score": 0.017040447010114774
      },
      {
        "context": "A层发育水平层理正粒序层理；岩层层面发育波痕构造。",
        "score": 0.015837302264807205
      },
      {
        "context": "大冶组一段浅灰色中薄层状微晶灰岩，具水平层理，局部可见缝合线构造；下部为黄绿色泥质页岩夹灰色薄层状泥质微晶灰岩，岩石中含泥质条带，厚1-3mm。",
        "score": 0.015532333975754074
      }
    ],
    "total_hits": 24
  },
  {
    "query_text": "浅黄白色中厚层状细粒石英砂岩夹中厚层状泥质粉砂岩，69m",
    "matched_texts": [
      {
        "context": "紫红色中厚层状细粒长石岩屑砂岩夹灰色中厚层状粉砂岩120.76m",
        "score": 0.074350629598184
      },
      {
        "context": "灰色厚层状中细粒长石砂岩夹灰色中层状中粒岩屑长石砂岩及少量深灰色薄层粉砂岩116.02m",
        "score": 0.05432364682791029
      },
      {
        "context": "灰绿色中层状中粒岩屑砂岩夹灰紫色中层状岩屑长石砂岩50.02m",
        "score": 0.053646143656466916
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    ],
    "total_hits": 6
  },
  {
    "query_text": "信都组，总厚度>330m",
    "matched_texts": [
      {
        "context": "大寺组二段厚度为119.72-178.46米。",
        "score": 0.006417906209022634
      },
      {
        "context": "大冶组三段厚156.09-251米。",
        "score": 0.006143619095616072
      },
      {
        "context": "灰黄色粘质砂土角度不整合下伏地层大寺组。",
        "score": 0.006018893536044847
      }
    ],
    "total_hits": 6
  },
  {
    "query_text": "东冲组为泥岩石英砂岩夹泥灰岩及含炭质泥岩，薄—中层状，水平层理及条带状构造均较明显，表明是在水动力较弱的半深海环境中沉积的。",
    "matched_texts": [
      {
        "context": "灰色中薄层状灰泥岩夹灰色深灰色微层状泥质灰岩，具水平层理，可见缝合线构造，厚114.97米。",
        "score": 0.02912940909782883
      },
      {
        "context": "灰白色灰红色中薄层状白云岩，具水平层理，发育缝合线构造，厚1.10米。",
        "score": 0.02807478698979346
      },
      {
        "context": "浅灰色中厚层状灰泥岩，具水平层理，岩石发育缝合线构造，厚35.67米。",
        "score": 0.02740961260333603
      }
    ],
    "total_hits": 42
  },
  {
    "query_text": "灰黑灰白色条带状水镁石大理岩和水镁石方解石石英云母微片岩2.7m",
    "matched_texts": [
      {
        "context": "灰绿色中层状中粒岩屑长石砂岩2.33m",
        "score": 0.026042488326062
      },
      {
        "context": "深灰色薄层绿泥石化片岩云母石英片岩12.21m",
        "score": 0.024007412933473537
      },
      {
        "context": "灰绿色中层状凝灰岩夹灰色薄层状白云石化含放射虫硅质岩29.45m",
        "score": 0.023525433536593903
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    ],
    "total_hits": 6
  },
  {
    "query_text": "灰黑黄白色石英云母微片岩夹炭质绢云母千枚岩，69.1m",
    "matched_texts": [
      {
        "context": "深灰色薄层绿泥石化片岩云母石英片岩12.21m",
        "score": 0.027580039443041944
      },
      {
        "context": "灰绿色中层状凝灰岩夹灰色薄层状白云石化含放射虫硅质岩29.45m",
        "score": 0.02442702112484837
      },
      {
        "context": "灰色粉砂质板岩夹灰色薄层状细粒长石石英砂岩335.03m",
        "score": 0.02430360444192724
      }
    ],
    "total_hits": 6
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  {
    "query_text": "灰绿色厚层状云母石英岩夹微—薄层状石英云母微片岩，39.3m",
    "matched_texts": [
      {
        "context": "灰紫色中－厚层状中－粗粒岩屑长石砂岩夹灰紫色薄层状细粒长石英砂岩4.42m",
        "score": 0.03374964643491164
      },
      {
        "context": "灰色中－厚层状亮晶含生物碎屑砾屑灰岩夹灰色中层状细晶白云岩95.00m",
        "score": 0.03255371516989417
      },
      {
        "context": "灰绿色薄－中层状凝灰岩夹灰绿色中层状流纹质复屑熔结凝灰岩83.67m",
        "score": 0.032418015108884486
      }
    ],
    "total_hits": 6
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  {
    "query_text": "调查区主要分布于台山那扶阳春市南阳春圭岗—潭水和河朗—云安富林及岑溪筋竹—郁南通门一带，仅311.00m2，占调查区总面积的1.84%。",
    "matched_texts": [
      {
        "context": "更新统广泛分布于测区梁子湖－金牛镇以西的垅岗地带，面积为185.725Km2，占测区总面积20.84%。",
        "score": 0.013400540511913897
      },
      {
        "context": "测区志留系主要分布于南部孙鉴铺－团林湾毛家铺一带，出露面积约141.28m2，占图幅总面积的15.85%，地层走向北西西向，构成背斜核部地层，厚度较大。",
        "score": 0.011946347164100585
      },
      {
        "context": "北部王胜一带零星出露中上三叠统地层，出露面积约34.5m2，占图幅总面积的3.87%。",
        "score": 0.010163261027206449
      }
    ],
    "total_hits": 12
  },
  {
    "query_text": "硅质炭质岩组合，上部为灰白色条带状硅质岩（微粒石英岩），具水平层理，下部为炭质云母石英片岩，51.9m",
    "matched_texts": [
      {
        "context": "灰色中薄层状灰泥岩夹灰色深灰色微层状泥质灰岩，具水平层理，可见缝合线构造，厚114.97米。",
        "score": 0.047939263960470005
      },
      {
        "context": "浅灰色中薄层状含砂屑灰泥岩，具水平层理，厚15.94米。",
        "score": 0.04680015057085797
      },
      {
        "context": "深灰色厚层鲕粒砂屑灰岩，鲕粒砂屑结构，块状构造，局部可见晶洞构造，具水平层理，单层厚度25-35cm，含鲕粒和砂屑及少量的砾屑团块，厚87.09米。",
        "score": 0.04499869240745768
      }
    ],
    "total_hits": 30
  },
  {
    "query_text": "大岗顶组岩性为灰白—深灰色中—厚层状细粒石英杂砂岩细粒岩屑石英砂岩含砾砂岩细粒岩屑砂岩薄层状泥岩及粉砂质泥岩，厚度>692m。",
    "matched_texts": [
      {
        "context": "茅山组在毛铺一带下部为灰绿色中厚层状细粒岩屑石英砂岩夹黄绿色中薄层状泥质石英粉砂岩，上部为紫红色中薄层细粒长石石英砂岩夹粉砂质页岩，长石石英砂岩中夹灰黄色砂质条带，有黑色磁铁矿小斑点，断续分布。",
        "score": 0.03324275642589644
      },
      {
        "context": "灰色厚层状中细粒长石砂岩夹灰色中层状中粒岩屑长石砂岩及少量深灰色薄层粉砂岩116.02m",
        "score": 0.025110916623164115
      },
      {
        "context": "甲丕拉组岩性组合为灰紫色厚层中细粒岩屑石英砂岩岩屑长石砂岩夹巨厚层复成分砾岩含砾粗砂岩长石石英砂岩泥质粉砂岩及微晶灰岩透镜，局部夹中基性火山角砾岩",
        "score": 0.024410044147493457
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    ],
    "total_hits": 48
  },
  {
    "query_text": "薄层状石英云母微片岩，66.4m",
    "matched_texts": [
      {
        "context": "深灰色薄层绿泥石化片岩云母石英片岩12.21m",
        "score": 0.019274670525365356
      },
      {
        "context": "浅灰色块状含白云石微-细晶灰岩，具平行层理，常见溶洞构造缝合线构造，局部可见斜层理构造，厚27.33米。",
        "score": 0.01832630931071925
      },
      {
        "context": "深灰色薄层状中粗粒岩屑长石砂岩126.86m",
        "score": 0.012951760738670914
      }
    ],
    "total_hits": 6
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  {
    "query_text": "坝里组主要由原岩为细砂岩—粉砂岩—泥岩构成的基本层序叠置而成，局部夹硅质岩。",
    "matched_texts": [
      {
        "context": "云台观组上部黄褐色紫红色泥质粉砂岩含粉砂粘土质页岩灰白色铝土质页岩夹层中，有透镜状铁质粘土岩，含量低，Fe约5%，不具工业意义。",
        "score": 0.017299773226887742
      },
      {
        "context": "公安寨组砂岩发育交错层理，A砂砾岩；B含砾细砂岩；C粉砂岩组成多个旋回层。",
        "score": 0.01692719473706199
      },
      {
        "context": "茅山组粉砂岩中交错层理，该组下部岩性简单，为含砂质泥质石英粉砂岩与细粒石英砂岩，组成加积型基本层序，岩性横向变化不大。为陆棚边缘盆地相沉积。",
        "score": 0.016906294612614815
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    ],
    "total_hits": 12
  },
  {
    "query_text": "灰暗灰色中厚层状角岩化粉砂质泥岩，具水平层理，5m",
    "matched_texts": [
      {
        "context": "浅灰色中薄层状含砂屑灰泥岩，具水平层理，厚15.94米。",
        "score": 0.08409495842152573
      },
      {
        "context": "灰色微层-薄层状夹中层状灰泥岩，具水平层理，厚1.71米。",
        "score": 0.08347422485251568
      },
      {
        "context": "灰色中薄层状灰泥岩夹灰色深灰色微层状泥质灰岩，具水平层理，可见缝合线构造，厚114.97米。",
        "score": 0.07200857145486327
      }
    ],
    "total_hits": 12
  },
  {
    "query_text": "调查区春湾组属浅海相沉积。",
    "matched_texts": [
      {
        "context": "大埔组厚26.59-52.74米，为浅海台地相沉积，与下伏云台观组呈平行不整合接触。",
        "score": 0.02249403120113239
      },
      {
        "context": "栖霞组属浅海陆棚相沉积。",
        "score": 0.020661483693211836
      },
      {
        "context": "云台观组为滨海相沉积。",
        "score": 0.016319072530055108
      }
    ],
    "total_hits": 6
  },
  {
    "query_text": "榴江组出露面积约11.61m2，占总面积0.07%，调查区本组岩性为灰青灰灰黑—棕色薄层硅质岩条带状硅质岩硅质泥岩含泥质硅质岩等，局部夹（磷硅质）页岩泥质灰岩，水平层理发育。",
    "matched_texts": [
      {
        "context": "灰黄色粉砂质粘土岩，粉砂状泥质结构，薄层状构造，单层厚度1-5cm。水平层理发育。具球状风化。厚9.27米",
        "score": 0.04033600825479954
      },
      {
        "context": "紫红色粘土岩，泥质结构，页片状构造，水平层理发育，单层厚1-2mm，厚6.17米，整合新滩组。",
        "score": 0.034165367814274816
      },
      {
        "context": "茅口组相邻大冶幅田家山一带，岩性单一，为浅灰－灰色厚层状含燧石结核灰岩结晶生物灰岩，中部夹燧石条带灰岩，上部夹含燧石结核白云质灰岩和白云岩透镜体。",
        "score": 0.022306420047799716
      }
    ],
    "total_hits": 48
  },
  {
    "query_text": "灰黑黄白色云母石英片岩，56.2m",
    "matched_texts": [
      {
        "context": "深灰色薄层绿泥石化片岩云母石英片岩12.21m",
        "score": 0.02911095129859025
      },
      {
        "context": "灰白色褐黄色长石石英砂岩，厚14.37米。",
        "score": 0.027214169672682295
      },
      {
        "context": "灰黄色黄绿色水云母页岩，泥质结构，页理构造，厚87.05米。",
        "score": 0.023528119326510458
      }
    ],
    "total_hits": 6
  },
  {
    "query_text": "浅黄色薄层状千枚状含细砂质泥岩，30m",
    "matched_texts": [
      {
        "context": "浅灰色中薄层状含砂屑灰泥岩，具水平层理，厚15.94米。",
        "score": 0.024390162207827734
      },
      {
        "context": "褐黄色厚层状含铁钙质细粒石英砂岩，厚1.16米。",
        "score": 0.023073082835099422
      },
      {
        "context": "灰绿色中层状中粒岩屑砂岩夹灰紫色中层状岩屑长石砂岩50.02m",
        "score": 0.00809368949469707
      }
    ],
    "total_hits": 6
  },
  {
    "query_text": "黄褐色石英云母片，下部为浮土覆盖，180.3m",
    "matched_texts": [
      {
        "context": "灰黄色水云母页岩，泥质结构，页片状构造，纹层发育，厚15.07米。",
        "score": 0.01523655769483827
      },
      {
        "context": "深灰色薄层状细粒长石石英砂岩与深灰色粉砂质板岩互层101.60m",
        "score": 0.011315300034324367
      },
      {
        "context": "灰色中－厚层轻变质不等粒长石岩屑杂砂岩夹深灰色薄层板岩（向斜核部）140.98m",
        "score": 0.011056570954737669
      }
    ],
    "total_hits": 12
  },
  {
    "query_text": "片理化云母石英岩夹黑色薄层状石英云母片岩和厚0.5m的斜长角闪片岩，131.4m",
    "matched_texts": [
      {
        "context": "深灰色薄层绿泥石化片岩云母石英片岩12.21m",
        "score": 0.025035598829130395
      },
      {
        "context": "灰绿色中层状凝灰岩夹灰色薄层状白云石化含放射虫硅质岩29.45m",
        "score": 0.02381720325574947
      },
      {
        "context": "灰色粉砂质板岩夹灰色薄层状细粒长石石英砂岩335.03m",
        "score": 0.02356668738556882
      }
    ],
    "total_hits": 12
  },
  {
    "query_text": "高州表壳岩组合岩性主要为灰深灰灰白色云母石英片岩石英云母片岩黑云变粒岩角闪变粒岩石榴矽线钾长变粒岩浅粒岩夹薄层状的石英岩和大理岩透镜体，它们不同程度发生混合岩化。",
    "matched_texts": [
      {
        "context": "茅口组相邻大冶幅田家山一带，岩性单一，为浅灰－灰色厚层状含燧石结核灰岩结晶生物灰岩，中部夹燧石条带灰岩，上部夹含燧石结核白云质灰岩和白云岩透镜体。",
        "score": 0.021219329515358525
      },
      {
        "context": "新滩组灰黄－黄绿色水云母页岩灰黄色灰绿色含粉砂质水云母页岩与含铁泥质石英粉砂岩互层产出，局部夹灰黄色粉砂质粘土岩。",
        "score": 0.018838235962013082
      },
      {
        "context": "大冶组四段主要岩性下部为浅灰色块状含白云石微-细晶灰岩中部为浅灰色厚层状微晶灰岩，上部为浅灰色块状含砂屑微－细晶灰岩，顶部为浅灰色块状鲕粒灰岩。常见溶蚀构造缝合线构造，局部可见斜层理构造，顶部发育鸟眼构造晶洞构造。",
        "score": 0.017776820556944295
      }
    ],
    "total_hits": 48
  },
  {
    "query_text": "黑云母石英斜长石角岩，9.9m",
    "matched_texts": [
      {
        "context": "灰色中－厚层状中粒石英砂岩夹深灰色粉砂质板岩9.82m",
        "score": 0.014480402647817279
      },
      {
        "context": "深灰色薄层绿泥石化片岩云母石英片岩12.21m",
        "score": 0.012322281743023003
      },
      {
        "context": "黑云母流纹岩，喷发不整合灵乡组。",
        "score": 0.011932679484307086
      }
    ],
    "total_hits": 6
  },
  {
    "query_text": "灰黑黄白色石英云母微片岩夹炭质绢云母千枚岩，69.1m",
    "matched_texts": [
      {
        "context": "深灰色薄层绿泥石化片岩云母石英片岩12.21m",
        "score": 0.027580039443041944
      },
      {
        "context": "灰绿色中层状凝灰岩夹灰色薄层状白云石化含放射虫硅质岩29.45m",
        "score": 0.02442702112484837
      },
      {
        "context": "灰色粉砂质板岩夹灰色薄层状细粒长石石英砂岩335.03m",
        "score": 0.02430360444192724
      }
    ],
    "total_hits": 6
  },
  {
    "query_text": "灰黑色含炭质石英云母片岩夹长石云母石英片岩，139.3m",
    "matched_texts": [
      {
        "context": "深灰色薄层绿泥石化片岩云母石英片岩12.21m",
        "score": 0.030786923074032177
      },
      {
        "context": "灰色粉砂质板岩夹灰色薄层状细粒长石石英砂岩335.03m",
        "score": 0.024248788365347277
      },
      {
        "context": "灰绿色中层状凝灰岩夹灰色薄层状白云石化含放射虫硅质岩29.45m",
        "score": 0.02398270388006306
      }
    ],
    "total_hits": 6
  },
  {
    "query_text": "高滩组下与云开群呈断层接触，上与水石组呈整合接触。",
    "matched_texts": [
      {
        "context": "新滩组岩石中普遍含薄层细砂岩或砂质条带，条带厚0.5-1cm。间距一般5-15cm，相对稀疏，未见底，厚度大于654.71米。",
        "score": 0.016714474409404132
      },
      {
        "context": "新滩组岩石具泥质结构含粉砂泥质结构泥质粉砂结构，水平层理平行层理发育，纹层发育，局部见波痕。",
        "score": 0.009461302297674723
      },
      {
        "context": "黑云母流纹岩，喷发不整合灵乡组。",
        "score": 0.007556794727216961
      }
    ],
    "total_hits": 12
  },
  {
    "query_text": "灰红—灰黄色片理化细粒变质砂岩夹灰紫红色变质粉砂岩及少量板岩，97.67m",
    "matched_texts": [
      {
        "context": "紫红色中厚层状细粒长石岩屑砂岩夹灰色中厚层状粉砂岩120.76m",
        "score": 0.033836774710397886
      },
      {
        "context": "灰色中－厚层状细粒岩屑长石砂岩夹灰色薄层钙质粉砂岩及粉砂质板岩231.03m",
        "score": 0.03346252943834958
      },
      {
        "context": "灰色中层状细粒长石石英砂岩夹少量灰－深灰色粉砂质板岩198.71m",
        "score": 0.029154407749406037
      }
    ],
    "total_hits": 6
  },
  {
    "query_text": "浅黄浅灰白色中厚层状中细粒石英砂岩夹少量粉砂岩，含腕足类，20m",
    "matched_texts": [
      {
        "context": "灰色中层状细粒长石石英砂岩夹少量灰－深灰色粉砂质板岩198.71m",
        "score": 0.04708175350364333
      },
      {
        "context": "灰色中－厚层状中粒石英砂岩夹深灰色粉砂质板岩9.82m",
        "score": 0.046555522838568425
      },
      {
        "context": "黄绿色紫红色薄-中厚层状粉砂岩夹泥质粉砂岩及粉砂质页岩，含瓣腮类化石碎片，厚39.57m。",
        "score": 0.04505512353704994
      }
    ],
    "total_hits": 12
  },
  {
    "query_text": "调查区见于台山市那扶镇东一带，出露面积较小，仅6.12m2，占调查区总面积的0.04%，呈北北东向带状展布。",
    "matched_texts": [
      {
        "context": "泥盆系仅出露上泥盆统云台观组，出露面积约2.15m2，占图幅总面积的0.24%。",
        "score": 0.017268478518351053
      },
      {
        "context": "甲丕拉组在区内分布于口前曲上游－昂欠涌曲－子切曲格群涌－雅可－宗根阿尼托吉涌－东角涌扎格涌－子曲巴彦涌莫海－巴俄卡查纪永池－比唐普巴等地，呈北西向－北西西向短带状展布。",
        "score": 0.016363918403883734
      },
      {
        "context": "二叠系分布于测区南部蔡家脑向斜毛百市向斜及猪风岭向斜两翼以及铜鼓山岩体北东侧亦有分布，出露面积约56.65m2，占图幅总面积的6.36%。",
        "score": 0.014243841455542548
      }
    ],
    "total_hits": 18
  },
  {
    "query_text": "石英钠长斑岩，18.2m",
    "matched_texts": [
      {
        "context": "灰绿色厚层状中粒岩屑长石砂岩18.15m",
        "score": 0.013532468653408278
      },
      {
        "context": "灰绿色中层状中粒岩屑长石砂岩2.33m",
        "score": 0.013467252379260481
      },
      {
        "context": "灰色薄层状中细粒长石石英砂岩38.25m",
        "score": 0.013180950051729437
      }
    ],
    "total_hits": 6
  },
  {
    "query_text": "这些反映了合浦组为浅海—半深海的沉积环境。",
    "matched_texts": [
      {
        "context": "波里拉组化石丰富，反映为浅海相的沉积环境。",
        "score": 0.030243380857041924
      },
      {
        "context": "大隆组总体为半深海盆地－浅海陆棚相沉积。",
        "score": 0.019730975186347765
      },
      {
        "context": "综上所述三叠纪沉积环境属活动性陆缘带半深海相沉积环境。",
        "score": 0.018136279740824105
      }
    ],
    "total_hits": 6
  },
  {
    "query_text": "调查区云开群未见底，第一二组为连续沉积，其所含的微植物化石组合Leiominuscula minuta-Leiopsophospaera minor 组合的地质时代属晚元古代青白口纪的可能性较大，从同位素年龄数据看，一般以 922~940Ma 作为变质火山岩夹层的形成年龄，以 872.8±8.6Ma 作为灰黑色含炭质千枚岩所夹薄层状硅质岩的沉积年龄，时代属青白口纪的可能性较大，故调查区云开群的时代可能为青白口纪，相应年代地层为青白口系。",
    "matched_texts": [
      {
        "context": "栖霞组下部基本层序由A灰黑色中－厚层瘤状含碳质生物屑灰岩；B碳质页岩组成。",
        "score": 0.017150306792416217
      },
      {
        "context": "黑色炭质页岩夹灰黑色中薄层状含生物屑炭质灰泥岩，生物屑成份为钙质，大小悬殊，大致平行微层理面分布，有腕足类介形虫瓣腮类。厚7.70米",
        "score": 0.01669711473113495
      },
      {
        "context": "茅口组基本层序由A中－厚层灰泥质生物屑灰岩；B厚层状含炭质生物屑灰岩组成。",
        "score": 0.0142903151587607
      }
    ],
    "total_hits": 24
  },
  {
    "query_text": "浮土，10m ————————————整合———————————— 下伏地层信都组，泥质粉砂岩粉砂岩。",
    "matched_texts": [
      {
        "context": "灰黄色粉砂质粘土岩，粉砂状泥质结构，薄层状构造，单层厚度1-5cm。水平层理发育。具球状风化。厚9.27米",
        "score": 0.012437535714550052
      },
      {
        "context": "公安寨组紫红色含砾砂岩含砾泥质粉砂岩夹砾岩粉砂岩泥质粉砂岩，组成多个韵律层。",
        "score": 0.01176159257913808
      },
      {
        "context": "坟头组一段下部紫红色，灰黄色灰绿色粉砂质页岩含粉砂水云母页岩夹薄层细砂岩泥质石英粉砂岩，水平层理平行层理发育，单层厚1-6cm。",
        "score": 0.010877292042909669
      }
    ],
    "total_hits": 24
  },
  {
    "query_text": "灰白色条带状硅质岩（微粒石英岩），具水平层理，17.9m",
    "matched_texts": [
      {
        "context": "浅灰色中薄层状含砂屑灰泥岩，具水平层理，厚15.94米。",
        "score": 0.038612015409220136
      },
      {
        "context": "灰色微层-薄层状夹中层状灰泥岩，具水平层理，厚1.71米。",
        "score": 0.03486399737413497
      },
      {
        "context": "紫红色中薄层状含铁钙质细粒石英砂岩，厚2.16米",
        "score": 0.033773783265651086
      }
    ],
    "total_hits": 12
  },
  {
    "query_text": "古墓组岩性为灰浅黄色细粒石英砂岩中细粒石英杂砂岩深灰色含粉砂质条带泥岩粉砂质泥岩及页岩，底部为中细粒石英（杂）砂岩。",
    "matched_texts": [
      {
        "context": "茅山组在蔡华生一带为灰黄色细粒石英砂岩与黄绿色灰黄色泥质石英粉砂岩互层产出，富含铁质矿物，有褐铁矿赤铁矿磁铁矿白钛矿等。",
        "score": 0.030839487352814988
      },
      {
        "context": "甲丕拉组岩性组合为灰紫色厚层中细粒岩屑石英砂岩岩屑长石砂岩夹巨厚层复成分砾岩含砾粗砂岩长石石英砂岩泥质粉砂岩及微晶灰岩透镜，局部夹中基性火山角砾岩",
        "score": 0.028039952311201714
      },
      {
        "context": "灰-浅灰色中-厚层状长石石英砂岩细砂岩粉砂岩夹灰黑色粉砂质页岩及煤线，厚37.73m。",
        "score": 0.02589320514742821
      }
    ],
    "total_hits": 36
  },
  {
    "query_text": "区域上下伏地层云开群第一组总的变化不大，岩性以变质粉砂岩、变质长石石英砂岩、云母石英片岩、石英云母片岩、绢云母千枚岩为主，其原岩为砂泥互层的复理石。",
    "matched_texts": [
      {
        "context": "灵乡组含有1.页岩2.泥质粉砂岩3.粉砂岩4.钙质粉砂岩5.细砂岩6.长石石英砂岩7.含砾凝灰质粗砂岩8.含砾砂岩9.砾岩10.灰岩11.泥质灰岩12.粉砂质灰岩13.泥灰岩14.层状角砾凝灰岩15.层状火山角砾岩16.安山岩17.安玄岩18.玄武岩19.流纹岩20.英安岩21.闪长岩22.透镜状砂砾岩23.气孔24.植物化石25.动物化石，厚度为409.99-947.03米，与下伏大寺组一段呈喷发不整合接触。",
        "score": 0.02377519784247045
      },
      {
        "context": "茅山组顶部基本层序A厚层块状长石石英砂岩B粉砂质页岩",
        "score": 0.019221438755604243
      },
      {
        "context": "砾岩岩组在格玛龙以东其岩性为紫红色中粒长石石英砂岩，硬砂质石英砂岩粗粉砂岩，其中夹有含角砾的砂岩及灰岩，岩石粒度较粗，产有植物化石和海相瓣鳃化石。",
        "score": 0.01895731306931094
      }
    ],
    "total_hits": 30
  },
  {
    "query_text": "浅黄色中厚层状泥质粉砂岩夹细粒砂岩，29m",
    "matched_texts": [
      {
        "context": "黄绿色紫红色薄-中厚层状粉砂岩夹泥质粉砂岩及粉砂质页岩，含瓣腮类化石碎片，厚39.57m。",
        "score": 0.037970747008802784
      },
      {
        "context": "紫红色中厚层状细粒长石岩屑砂岩夹灰色中厚层状粉砂岩120.76m",
        "score": 0.03784581293230339
      },
      {
        "context": "灰色中－厚层状中粒石英砂岩夹深灰色粉砂质板岩9.82m",
        "score": 0.008996297071632273
      }
    ],
    "total_hits": 6
  },
  {
    "query_text": "灰白银灰色云母石英片岩，87.7m",
    "matched_texts": [
      {
        "context": "深灰色薄层绿泥石化片岩云母石英片岩12.21m",
        "score": 0.027646727170599874
      },
      {
        "context": "灰白色褐黄色长石石英砂岩，厚14.37米。",
        "score": 0.021062110665425272
      },
      {
        "context": "灰色灰岩夹粉砂质板岩（断层破坏下部地层出露不全）46.7m ",
        "score": 0.018880153332104636
      }
    ],
    "total_hits": 6
  },
  {
    "query_text": "合浦组岩性为灰浅灰浅黄色粉砂岩泥质粉砂岩泥岩页岩及少量的石英砂岩长石石英砂岩岩屑石英杂砂岩，底部为泥岩或岩屑石英杂砂岩，并与顶部的灰岩或灰岩透镜体整合接触，厚910-941m。",
    "matched_texts": [
      {
        "context": "茅口组相邻大冶幅田家山一带，岩性单一，为浅灰－灰色厚层状含燧石结核灰岩结晶生物灰岩，中部夹燧石条带灰岩，上部夹含燧石结核白云质灰岩和白云岩透镜体。",
        "score": 0.026905726498954743
      },
      {
        "context": "茅山组在毛铺一带下部为灰绿色中厚层状细粒岩屑石英砂岩夹黄绿色中薄层状泥质石英粉砂岩，上部为紫红色中薄层细粒长石石英砂岩夹粉砂质页岩，长石石英砂岩中夹灰黄色砂质条带，有黑色磁铁矿小斑点，断续分布。",
        "score": 0.024761593197464363
      },
      {
        "context": "茅山组粉砂岩中交错层理，该组下部岩性简单，为含砂质泥质石英粉砂岩与细粒石英砂岩，组成加积型基本层序，岩性横向变化不大。为陆棚边缘盆地相沉积。",
        "score": 0.021839147394833745
      }
    ],
    "total_hits": 72
  },
  {
    "query_text": "灰色薄—中层状变质细砂岩夹灰色薄层状千枚岩，30.14m",
    "matched_texts": [
      {
        "context": "灰色厚层状生物屑灰岩夹黑色薄层状透镜状炭质页岩，厚13.05米。",
        "score": 0.038228292806988494
      },
      {
        "context": "灰色中－厚层轻变质不等粒长石岩屑杂砂岩夹深灰色薄层板岩（向斜核部）140.98m",
        "score": 0.037688740951583775
      },
      {
        "context": "深灰色薄－中层状中细粒长石石英砂岩与深灰色粉砂质板岩互层448.97m",
        "score": 0.03754241161560016
      }
    ],
    "total_hits": 6
  },
  {
    "query_text": "灰绿—浅灰红色变质粉砂岩夹灰红色千枚岩，90.33m",
    "matched_texts": [
      {
        "context": "灰紫色灰黄色粉砂岩夹英安岩，厚17.69米。",
        "score": 0.022475447487270622
      },
      {
        "context": "紫红色褐色粉砂质灰岩夹紫红色含砾粉砂岩，厚20.06米。",
        "score": 0.022448017712888978
      },
      {
        "context": "浅紫色紫红色含角砾石泡流纹岩，厚11.82米。",
        "score": 0.022308513852189415
      }
    ],
    "total_hits": 6
  },
  {
    "query_text": "石英云母微片岩夹绿帘石透辉石角岩和薄层状云母长石石英岩89.5m",
    "matched_texts": [
      {
        "context": "灰色粉砂质板岩夹灰色薄层状细粒长石石英砂岩335.03m",
        "score": 0.019556595613761413
      },
      {
        "context": "深灰色薄层绿泥石化片岩云母石英片岩12.21m",
        "score": 0.01752068147960067
      },
      {
        "context": "茅山组顶部基本层序A厚层块状长石石英砂岩B粉砂质页岩",
        "score": 0.017259459094672424
      }
    ],
    "total_hits": 12
  },
  {
    "query_text": "黑色页岩，含笔石Demirastrites involutus Streptograptus  crispusS. exiguousS. sp.，8.0m",
    "matched_texts": [
      {
        "context": "该岩组火山岩以中基性熔岩为主，碎屑岩以富长石为特征，化石较少，区域上仅在下部层位上采有珊瑚Pinacophyllum  sp.， Margaosmilia  sp.； 海百合Cyclocyclicus  sp.；牙形刺 Epigondolella  Postera  (oxur et Mostles)E.abneptis  spatultus (Hayashi)。",
        "score": 0.017464116298820366
      },
      {
        "context": "灰色薄层状亮晶砂屑灰岩夹灰色厚层状粉晶含鲕粒生物碎屑灰岩产苔藓虫 Stenopora sp.indet",
        "score": 0.014711028714744633
      },
      {
        "context": "灰色灰岩与板岩互层，产头足化石 Balatonites sp. Cuccoceras sp. Lonooborditoides sp. Actochordiceras sp. 248.6m",
        "score": 0.013780672489079297
      }
    ],
    "total_hits": 12
  },
  {
    "query_text": "灰浅灰色中薄层状粉砂质千枚岩，含Molongia sp. M.cf.uniplicata(Grubaw)，68m",
    "matched_texts": [
      {
        "context": "浅灰色中薄层状含砂屑灰泥岩，具水平层理，厚15.94米。",
        "score": 0.034468390322858464
      },
      {
        "context": "浅灰色中薄层状微晶灰岩，具水平层理，局部可见缝合线构造，厚9.28米。",
        "score": 0.033877684737117233
      },
      {
        "context": "该岩组火山岩以中基性熔岩为主，碎屑岩以富长石为特征，化石较少，区域上仅在下部层位上采有珊瑚Pinacophyllum  sp.， Margaosmilia  sp.； 海百合Cyclocyclicus  sp.；牙形刺 Epigondolella  Postera  (oxur et Mostles)E.abneptis  spatultus (Hayashi)。",
        "score": 0.01990975808577592
      }
    ],
    "total_hits": 12
  },
  {
    "query_text": "浮土，25m",
    "matched_texts": [
      {
        "context": "灰紫色中层状中粒岩屑长石砂岩1.55m",
        "score": 0.007870931897631286
      },
      {
        "context": "灰色薄层状中细粒长石石英砂岩38.25m",
        "score": 0.007751622570166284
      },
      {
        "context": "灰绿色中层状中粒岩屑长石砂岩2.33m",
        "score": 0.00734361427379167
      }
    ],
    "total_hits": 6
  },
  {
    "query_text": "灰色页岩中找到了植物Psilophyton sp.，腕足类 Lingula sulcatifera Gr.，L.ex.gr. sulcatifera Gr.以及瓣鳃类 Posidonia sp.等化石。",
    "matched_texts": [
      {
        "context": "邻区鄂城程潮大王冲采获Permophorus Sp.，瓣腮 Entolium discites，Pteria sp.，Mytilus ex.gr.deuliformis等。",
        "score": 0.018044218053483007
      },
      {
        "context": "灰色深灰色厚层状含燧石结核碎裂生物屑灰岩，厚42.16米，含Hefengnautilus sp.，Neochonetes nantanensis（Grabau），Martinia sp.，Verbeeina grabaui hompson et Foster，Cribrogenerina sp.，Schwagerina cf. pactiruga Chen，S.cf. subobsoletus var. ouboensis（Ozawa），Multidiscus cf.viriosa Wang，Eogoniolina sp.，Hinganotrypa sichuanensis（Yang et Hsia）。",
        "score": 0.017858440670468493
      },
      {
        "context": "在灰岩层中产有腕足Liosotella cylinrica (Ustrisi)，Orthotichia morganina(Derby)和虫筳Misellina claudiae (Deprat)，Pseudofusulina sp.，这些化石为早二叠世的重要分子。",
        "score": 0.014670781301166436
      }
    ],
    "total_hits": 24
  },
  {
    "query_text": "云开群第二组测有：滩垌—丰垌口剖面、石庙—楼垌剖面、三家村—大辟剖面、黄华江剖面、洪冠燕古—大辟剖面等。",
    "matched_texts": [
      {
        "context": "龙潭组－下窑组灰岩中含蜓 Codonofusiella schubertelloides sheng，Schubertella sp.，Nodosaria sp.，Palaeotextularia sp.，腕足Linoproductus sp.，珊瑚 achylasma sp.，Notothyris sp.等，该组合属于晚二叠世早期。",
        "score": 0.010470431288593495
      },
      {
        "context": "更新统广泛分布于测区梁子湖－金牛镇以西的垅岗地带，面积为185.725Km2，占测区总面积20.84%。",
        "score": 0.010271039610723584
      },
      {
        "context": "测区梁子湖北东侧吴家墩一带湖积物，形成时代为全新世中－晚期。",
        "score": 0.009965300818630101
      }
    ],
    "total_hits": 30
  },
  {
    "query_text": "寒武—志留纪地层分布广泛，主要见于开平台山阳春罗定郁南及岑溪等地。",
    "matched_texts": [
      {
        "context": "浅灰绿色片理化凝灰岩夹灰绿色片理化玄武安山岩   断层   早中二叠世俄巴达动灰岩（P1-2ca）",
        "score": 0.011280481665000196
      },
      {
        "context": "马架山组喷发不整合于侏罗纪灵乡岩体之上。",
        "score": 0.01091652248392863
      },
      {
        "context": "尕笛考组地层与石炭纪杂多群呈断层接触与早中二叠世开心岭群诺日巴尕日保组和九十道班组呈断层接触，其上被晚三叠世结扎群甲丕拉组不整合覆盖。",
        "score": 0.010635587347779616
      }
    ],
    "total_hits": 6
  },
  {
    "query_text": "黑云母石英斜长石角岩，9.9m",
    "matched_texts": [
      {
        "context": "灰色中－厚层状中粒石英砂岩夹深灰色粉砂质板岩9.82m",
        "score": 0.014480402647817279
      },
      {
        "context": "深灰色薄层绿泥石化片岩云母石英片岩12.21m",
        "score": 0.012322281743023003
      },
      {
        "context": "黑云母流纹岩，喷发不整合灵乡组。",
        "score": 0.011932679484307086
      }
    ],
    "total_hits": 6
  },
  {
    "query_text": "信都组含腕足类 Stringocephalus sp.，Desquamatia sp.，珊瑚 Alveolitell sp.，Syringopora sp.，层孔虫 Amphipor sp.，Paramphipora sp.以及腹足类双壳类等化石。",
    "matched_texts": [
      {
        "context": "龙潭组－下窑组灰岩中含蜓 Codonofusiella schubertelloides sheng，Schubertella sp.，Nodosaria sp.，Palaeotextularia sp.，腕足Linoproductus sp.，珊瑚 achylasma sp.，Notothyris sp.等，该组合属于晚二叠世早期。",
        "score": 0.03475973019521045
      },
      {
        "context": "该岩组火山岩以中基性熔岩为主，碎屑岩以富长石为特征，化石较少，区域上仅在下部层位上采有珊瑚Pinacophyllum  sp.， Margaosmilia  sp.； 海百合Cyclocyclicus  sp.；牙形刺 Epigondolella  Postera  (oxur et Mostles)E.abneptis  spatultus (Hayashi)。",
        "score": 0.018625691530208974
      },
      {
        "context": "测区内晚三叠世古生物化石区内比较发育，主要分布在巴塘群及结扎群中，巴颜喀拉山群地层中稀少，主要有双壳类腕足类及部分植物化石。",
        "score": 0.015224523153420244
      }
    ],
    "total_hits": 48
  },
  {
    "query_text": "东冲组岩性为薄—中层状灰灰黄色中细粒石英杂砂岩细粒石英砂岩泥岩，局部为石英绢云母千枚岩绢云石英千枚岩泥灰岩及含炭质泥岩，底部为中层状石英杂砂岩杂砂岩，顶部为泥岩。",
    "matched_texts": [
      {
        "context": "灰色厚层状中细粒长石砂岩夹灰色中层状中粒岩屑长石砂岩及少量深灰色薄层粉砂岩116.02m",
        "score": 0.03145462774578848
      },
      {
        "context": "茅山组在毛铺一带下部为灰绿色中厚层状细粒岩屑石英砂岩夹黄绿色中薄层状泥质石英粉砂岩，上部为紫红色中薄层细粒长石石英砂岩夹粉砂质页岩，长石石英砂岩中夹灰黄色砂质条带，有黑色磁铁矿小斑点，断续分布。",
        "score": 0.02341588800533167
      },
      {
        "context": "结隆组下段岩性为紫红色暗紫色中厚层状细粒长石岩屑砂岩粉砂岩夹灰－深灰色中－厚层状粉亮晶含生物碎屑藻砂屑灰岩英安质岩屑晶屑凝灰岩夹灰岩。",
        "score": 0.020549110830012644
      }
    ],
    "total_hits": 60
  },
  {
    "query_text": "石炭纪地层分布较广，云浮恩平开平罗定阳春等地均有分布，可划分为连县组或大赛坝组石磴子组测水组和壶天组。",
    "matched_texts": [
      {
        "context": "更新统广泛分布于测区梁子湖－金牛镇以西的垅岗地带，面积为185.725Km2，占测区总面积20.84%。",
        "score": 0.011031767166689504
      },
      {
        "context": "在测区毛百市一带出现厚约3m的竹叶状灰岩，反映水体动荡的特点，与下伏大冶组三段呈整合接触。",
        "score": 0.009487394631955217
      },
      {
        "context": "尕笛考组地层与石炭纪杂多群呈断层接触与早中二叠世开心岭群诺日巴尕日保组和九十道班组呈断层接触，其上被晚三叠世结扎群甲丕拉组不整合覆盖。",
        "score": 0.009120905510405586
      }
    ],
    "total_hits": 36
  },
  {
    "query_text": "含砾砂岩中具反粒序层理",
    "matched_texts": [
      {
        "context": "粉砂岩中富含植物化石碎片，厚23.45m。",
        "score": 0.01572032803375543
      },
      {
        "context": "粉砂岩中有平行层理",
        "score": 0.014983992273857893
      },
      {
        "context": "A层发育水平层理正粒序层理；岩层层面发育波痕构造。",
        "score": 0.014266209702137145
      }
    ],
    "total_hits": 6
  },
  {
    "query_text": "灰黑色薄层状硅质岩，2.80m",
    "matched_texts": [
      {
        "context": "浅灰色厚层状灰岩18.44m",
        "score": 0.02919556172755702
      },
      {
        "context": "紫红色中薄层状含铁钙质细粒石英砂岩，厚2.16米",
        "score": 0.02781588866344222
      },
      {
        "context": "褐黄色厚层状含铁钙质细粒石英砂岩，厚1.16米。",
        "score": 0.027050984145892708
      }
    ],
    "total_hits": 6
  },
  {
    "query_text": "上覆地层虎山组，灰黑色薄—中层状硅质岩夹灰白色极薄层状泥岩 —————————————整合————————————— 新厂组，总厚度，132.31m",
    "matched_texts": [
      {
        "context": "地层大隆组灰黑色中层状炭质粘土岩夹灰色浅灰色含白云石粘土岩。",
        "score": 0.03459608753703344
      },
      {
        "context": "灰色中薄层状灰泥岩夹灰色深灰色微层状泥质灰岩，具水平层理，可见缝合线构造，厚114.97米。",
        "score": 0.03096957363200901
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        "context": "灰色中薄层状灰泥岩夹灰色深灰色薄层状泥质灰岩，具水平层理，局部可见缝合线构造，厚45.00米。",
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    "query_text": "罗洪组与下伏水石组呈平行不整合接触，与上覆罗东组整合接触，厚度2518m，水平层理发育，砾岩底部可见底冲刷现象。",
    "matched_texts": [
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        "context": "紫红色粘土岩，泥质结构，页片状构造，水平层理发育，单层厚1-2mm，厚6.17米，整合新滩组。",
        "score": 0.039706848751311065
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        "context": "灰黄色粉砂质粘土岩，粉砂状泥质结构，薄层状构造，单层厚度1-5cm。水平层理发育。具球状风化。厚9.27米",
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        "context": "灰色中薄层状灰泥岩夹灰色深灰色微层状泥质灰岩，具水平层理，可见缝合线构造，厚114.97米。",
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    "query_text": "高州表壳岩组合在长坡龙修的岩性组合为石榴变粒岩—钙硅酸盐岩—麻粒岩—透辉大理岩组合，其变质程度达到高角闪岩相—麻粒岩相；在旺沙镇附近，岩性组合为混合岩化石榴变粒岩—角闪黑云变粒岩—绢云片岩等，其变质程度达到角闪岩相。",
    "matched_texts": [
      {
        "context": "大冶组四段主要岩性下部为浅灰色块状含白云石微-细晶灰岩中部为浅灰色厚层状微晶灰岩，上部为浅灰色块状含砂屑微－细晶灰岩，顶部为浅灰色块状鲕粒灰岩。常见溶蚀构造缝合线构造，局部可见斜层理构造，顶部发育鸟眼构造晶洞构造。",
        "score": 0.015633457215582347
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        "context": "灰绿色中－厚层状英安质复屑熔结凝灰岩夹灰绿色中层状流纹质晶屑玻屑熔结凝灰岩57.74m",
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        "context": "结隆组下段岩性为紫红色暗紫色中厚层状细粒长石岩屑砂岩粉砂岩夹灰－深灰色中－厚层状粉亮晶含生物碎屑藻砂屑灰岩英安质岩屑晶屑凝灰岩夹灰岩。",
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      {
        "context": "地层大隆组灰黑色中层状炭质粘土岩夹灰色浅灰色含白云石粘土岩。",
        "score": 0.04500194071556011
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        "context": "灰色中薄层状灰泥岩夹灰色深灰色微层状泥质灰岩，具水平层理，可见缝合线构造，厚114.97米。",
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    "query_text": "二云母石英片岩夹灰白色片状云母石英岩，137.6m",
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      {
        "context": "深灰色薄层绿泥石化片岩云母石英片岩12.21m",
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    "query_text": "春湾组为一套灰绿灰红黄灰等杂色之砂泥质或钙质碎屑岩。",
    "matched_texts": [
      {
        "context": "大寺组一段顶部见灰绿色灰紫色含砾泥铁质粉砂岩含泥质石英粉砂岩。",
        "score": 0.02182196564512168
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      {
        "context": "地层大隆组灰黑色中层状炭质粘土岩夹灰色浅灰色含白云石粘土岩。",
        "score": 0.020884763023618847
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      {
        "context": "黄绿色-灰黑色薄层状粉砂岩夹粉砂质页岩及煤线，厚31.33m。",
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    "query_text": "云开分区东江分区包括桂头群春湾组天子岭组及帽子峰组。",
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      {
        "context": "二叠系由下至上分为下统梁山组，中统栖霞组茅口组，上统龙潭组下窑组大隆组。",
        "score": 0.008028638044016205
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      {
        "context": "巴颜喀拉山群巴塘群和结隆组结扎群分属巴颜喀拉山地层分区西金乌兰－金沙江地层分区羌北－昌都地层分区。",
        "score": 0.007985949400493783
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        "context": "更新统广泛分布于测区梁子湖－金牛镇以西的垅岗地带，面积为185.725Km2，占测区总面积20.84%。",
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    "query_text": "老虎塘组岩性为变质（长石）石英砂岩、石英岩夹含炭质绢云千枚岩及砂质粉砂质板岩等，厚950m。",
    "matched_texts": [
      {
        "context": "灰色中厚层状细粒长石石英砂岩与深灰色粉砂质板岩互层（向斜核部）未见顶47.09m",
        "score": 0.023814438084495907
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        "context": "变砂岩中发育大量的龟背石，不对称波痕，冲刷泥砾平行层理 ，为旋回性基本层序（图2-33a），下部的基本层序是由变中－细粒长石石英岩屑砂岩，变余矿物粉砂岩和粉砂质板岩的自旋回性沉积层序构成",
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    "query_text": "灰黑色中—薄层状硅质岩夹灰白色薄层状泥岩，11.23m",
    "matched_texts": [
      {
        "context": "灰色中薄层状灰泥岩夹灰色深灰色微层状泥质灰岩，具水平层理，可见缝合线构造，厚114.97米。",
        "score": 0.050661753501108776
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        "context": "灰绿色细粒辉长岩(构造岩块)11.24m",
        "score": 0.025963411699104755
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        "context": "灰绿色巨厚层状复成分火山角砾岩13.49m",
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    "query_text": "信都组分布于广西的归义镇樟木镇等地，出露面积约 12.01m2，占总面积的0.07%。",
    "matched_texts": [
      {
        "context": "测区志留系主要分布于南部孙鉴铺－团林湾毛家铺一带，出露面积约141.28m2，占图幅总面积的15.85%，地层走向北西西向，构成背斜核部地层，厚度较大。",
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        "context": "泥盆系仅出露上泥盆统云台观组，出露面积约2.15m2，占图幅总面积的0.24%。",
        "score": 0.015067541376191464
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      {
        "context": "二叠系分布于测区南部蔡家脑向斜毛百市向斜及猪风岭向斜两翼以及铜鼓山岩体北东侧亦有分布，出露面积约56.65m2，占图幅总面积的6.36%。",
        "score": 0.014431543810303241
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    "query_text": "云开群的岩石普遍变质及混合岩化，原岩由细砂—粉砂—泥质沉积物组成的韵律式基本层序，夹海相的基性火山岩碳酸盐岩硅质岩薄层或透镜体，以具条带状构造水平纹层发育为特征，沉积矿产主要有深水还原环境的磷硫铁矿层及含锰灰岩等，表明调查区云开群属半深海—深海相沉积。",
    "matched_texts": [
      {
        "context": "栖霞组上部基本层序由A深灰色薄－中厚层瘤状生物屑灰岩，B薄层泥质灰岩组成，A层向上单层变薄，B层局部含碳质，向上泥质含量增高，为退积型基本层序。",
        "score": 0.01795627992710467
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      {
        "context": "大埔组灰色灰白色厚层－块状细晶白云岩含藻粉屑藻砂屑细晶白云岩，底部为浅灰色块状角砾状白云岩，局部岩石中夹燧石结核或条带，刀砍纹发育，具块状层理，局部可见鸟眼构造晶洞构造缝合线构造，具水平层理平行层理，单层厚度50cm。",
        "score": 0.017589819505466155
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        "context": "灰色中－厚层状泥晶含生物碎屑砾灰岩夹少量灰色中层状菱铁矿化粉亮晶砂岩灰岩73.66m",
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    "query_text": "灰黑色薄层状硅质岩夹灰白色极薄层泥岩，44.62m",
    "matched_texts": [
      {
        "context": "灰色中薄层状灰泥岩夹灰色深灰色微层状泥质灰岩，具水平层理，可见缝合线构造，厚114.97米。",
        "score": 0.0495180170654534
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      {
        "context": "灰绿色巨厚层状岩屑波屑凝灰岩41.74m",
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        "context": "灰色块层状粗粒石英砂岩42.44m",
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    "query_text": "兰瓮组应属半深海—深海相沉积。",
    "matched_texts": [
      {
        "context": "大隆组总体为半深海盆地－浅海陆棚相沉积。",
        "score": 0.017286211683689177
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      {
        "context": "栖霞组属浅海陆棚相沉积。",
        "score": 0.014229546980346654
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      {
        "context": "志留系为一套浅海－滨海相的陆源碎屑沉积，区域上与下伏奥陶系呈整合接触。",
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    "query_text": "大绀山组，总厚度>1021m",
    "matched_texts": [
      {
        "context": "大寺组二段下部浅紫色碎裂安山岩杏仁状安山岩夹安玄岩夹玄武岩及安山质含火山角砾晶屑岩屑凝灰岩等，反映火山喷溢活动",
        "score": 0.011260498512798388
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      {
        "context": "甲丕拉组（J3jp）其岩性灰紫色厚层状含砾粗粒粒岩岩屑长石砂岩 角度不整合 九十道班组 厚度1351.61m ",
        "score": 0.011257117503893596
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        "context": "砂岩组（2-3B） 厚度2959.61m",
        "score": 0.01099787563922551
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    "query_text": "云开群第二组与大绀山组砾岩呈平行不整合接触，下与云开群第一组顶部的大理岩或钙质粉砂岩整合接触，总厚>1343m。",
    "matched_texts": [
      {
        "context": "基本层序特征 ⑴砂岩组（2-3B） 本组上部的基本层序是由变中细粒岩屑砂岩和粉砂质板岩的自旋回性沉积序列构成",
        "score": 0.01893913286479671
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      {
        "context": "上部基本层序 A层为泥质粉砂岩，向上层厚减薄，显示进积型层序。",
        "score": 0.018657754013359444
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      {
        "context": "坟头组一段下部紫红色，灰黄色灰绿色粉砂质页岩含粉砂水云母页岩夹薄层细砂岩泥质石英粉砂岩，水平层理平行层理发育，单层厚1-6cm。",
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    "query_text": "云开群第一组顶部以大理岩为标志与上覆云开群第二组呈整合接触。",
    "matched_texts": [
      {
        "context": "区域上在西昆仑地区 1∶25 万区域地质调查发现晚二叠世地层角度不整合在中二叠世地层之上至少说明测区早中二叠世开心岭群与晚二叠世－早三叠世火山岩组之间的角度不整合在区域上还是有分布未见大面积出露。",
        "score": 0.010239929282392339
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      {
        "context": "大冶组三段与下伏大冶组二段整合接触，以薄层条带状灰泥岩的出现或中厚层状灰泥岩的消失作为分界标志。",
        "score": 0.010234534585320145
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      {
        "context": "大冶组二段浅灰色中厚层状灰泥岩，具水平层理，岩石发育缝合线构造，与下伏大冶组一段整合接触，以中厚层状灰泥岩的出现作为分界标志，岩性稳定，厚35.67-65米。",
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    "query_text": "灰褐色灰红色中—厚层状细粒片理化变质砂岩夹灰—灰黄色薄层状千枚岩，42.82m",
    "matched_texts": [
      {
        "context": "灰白色灰红色厚层-块状含砂屑白云岩夹浅灰色中厚层-块状白云岩，具平行层理，厚34.89米。",
        "score": 0.04120841915997195
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        "context": "紫红色中厚层状细粒长石岩屑砂岩夹灰色中厚层状粉砂岩120.76m",
        "score": 0.03473181654759354
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      {
        "context": "灰色中－厚层状泥晶含生物碎屑砾灰岩夹少量灰色中层状菱铁矿化粉亮晶砂岩灰岩73.66m",
        "score": 0.022470960451318762
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    "query_text": "上覆地层东冲组，变斑状黑云红柱石角岩，底部为角岩化中细粒石英杂砂岩 —————————— 整合—————————— 罗东组，总厚度19.0m",
    "matched_texts": [
      {
        "context": "灰色薄层状中细粒长石石英砂岩与灰绿色粉砂质板岩互层242.67m",
        "score": 0.02348247892866206
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      {
        "context": "灰色中厚层状细粒长石石英砂岩与深灰色粉砂质板岩互层（向斜核部）未见顶47.09m",
        "score": 0.022596549988565702
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      {
        "context": "深灰色薄－中层状中细粒长石石英砂岩与深灰色粉砂质板岩互层448.97m",
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  {
    "query_text": "在不同地方其夹层有所变化：信宜丰垌口、罗定都门甘竹等地以夹多层灰黑色炭质千枚岩，而信宜楼垌一带则夹含炭质千枚岩及薄层条带状硅质岩。",
    "matched_texts": [
      {
        "context": "地层大隆组灰黑色中层状炭质粘土岩夹灰色浅灰色含白云石粘土岩。",
        "score": 0.019596511195459396
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      {
        "context": "嘉陵江组三段，下部肉红色厚层白云岩角砾岩，上部浅灰色厚层块状纹层状细－微晶白云岩夹紫红色薄层灰泥岩。",
        "score": 0.01750799348526109
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      {
        "context": "灰色厚层状生物屑灰岩夹黑色薄层状透镜状炭质页岩，厚13.05米。",
        "score": 0.01742746975136285
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  {
    "query_text": "褐及黄色页岩碎块，3.0m",
    "matched_texts": [
      {
        "context": "黄绿色-灰黑色薄层状粉砂岩夹粉砂质页岩及煤线，厚31.33m。",
        "score": 0.01831444302418582
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      {
        "context": "黄绿色紫红色薄-中厚层状粉砂岩夹泥质粉砂岩及粉砂质页岩，含瓣腮类化石碎片，厚39.57m。",
        "score": 0.01642874780182522
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      {
        "context": "灰色英安流纹质玻屑凝灰岩8.0m",
        "score": 0.012901202627289284
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  {
    "query_text": "浮土，244.4m",
    "matched_texts": [
      {
        "context": "深灰色薄层状中粗粒岩屑长石砂岩126.86m",
        "score": 0.008875254837200773
      },
      {
        "context": "浅灰绿色片理化凝灰岩134.14m",
        "score": 0.008470220813678084
      },
      {
        "context": "灰色绿泥绢云片岩（构造岩块）149.01m",
        "score": 0.007090694690227018
      }
    ],
    "total_hits": 6
  },
  {
    "query_text": "志留纪地层分布于桂东南地层分区云开地层分区，自下而上为大岗顶组古墓组连滩组合浦组及防城组。",
    "matched_texts": [
      {
        "context": "巴颜喀拉山群巴塘群和结隆组结扎群分属巴颜喀拉山地层分区西金乌兰－金沙江地层分区羌北－昌都地层分区。",
        "score": 0.011477855406595119
      },
      {
        "context": "白垩-古近系出露于测区西部梁子湖区周边，呈零星孤立露头出现，分布面积5.38Km2，占测区0.6%。",
        "score": 0.009980044783501738
      },
      {
        "context": "龙潭组－下窑组灰岩中含蜓 Codonofusiella schubertelloides sheng，Schubertella sp.，Nodosaria sp.，Palaeotextularia sp.，腕足Linoproductus sp.，珊瑚 achylasma sp.，Notothyris sp.等，该组合属于晚二叠世早期。",
        "score": 0.009902339506279167
      }
    ],
    "total_hits": 42
  },
  {
    "query_text": "浅黄青灰色棕红色中厚层状粉砂质绢云板岩，具水平层理，15m",
    "matched_texts": [
      {
        "context": "灰色微层-薄层状夹中层状灰泥岩，具水平层理，厚1.71米。",
        "score": 0.0668801702007261
      },
      {
        "context": "浅灰色中薄层状含砂屑灰泥岩，具水平层理，厚15.94米。",
        "score": 0.06369140147614852
      },
      {
        "context": "灰色中薄层状灰泥岩夹灰色深灰色微层状泥质灰岩，具水平层理，可见缝合线构造，厚114.97米。",
        "score": 0.05841619735611354
      }
    ],
    "total_hits": 12
  },
  {
    "query_text": "灰绿色薄—中厚层状片理化云母石英岩夹黄褐色、紫红色微—薄层状石英片岩，>266.1m，未见底",
    "matched_texts": [
      {
        "context": "灰色中－厚层状亮晶含生物碎屑砾屑灰岩夹灰色中层状细晶白云岩95.00m",
        "score": 0.03398430904066186
      },
      {
        "context": "浅灰色厚层纹层状含灰质中-细晶白云岩，中-细晶结构，块状构造，发育稀疏的刀砍纹，具水平层理，单层厚度30-40cm，厚13.25米。",
        "score": 0.03256937768576944
      },
      {
        "context": "茅山组在毛铺一带下部为灰绿色中厚层状细粒岩屑石英砂岩夹黄绿色中薄层状泥质石英粉砂岩，上部为紫红色中薄层细粒长石石英砂岩夹粉砂质页岩，长石石英砂岩中夹灰黄色砂质条带，有黑色磁铁矿小斑点，断续分布。",
        "score": 0.03054440546281397
      }
    ],
    "total_hits": 12
  },
  {
    "query_text": "黄褐色石英云母片岩，87.2m",
    "matched_texts": [
      {
        "context": "深灰色薄层绿泥石化片岩云母石英片岩12.21m",
        "score": 0.02767195959326408
      },
      {
        "context": "灰白色褐黄色长石石英砂岩，厚14.37米。",
        "score": 0.0203074910366888
      },
      {
        "context": "灰黄色水云母页岩，泥质结构，页片状构造，纹层发育，厚15.07米。",
        "score": 0.019670934465436593
      }
    ],
    "total_hits": 6
  },
  {
    "query_text": "高州表壳岩组合主要见于信宜市旺沙镇一带，图幅南西角龙修附近有零星出露，面积约64.52m2，占调查区总面积的0.38%。",
    "matched_texts": [
      {
        "context": "二叠系分布于测区南部蔡家脑向斜毛百市向斜及猪风岭向斜两翼以及铜鼓山岩体北东侧亦有分布，出露面积约56.65m2，占图幅总面积的6.36%。",
        "score": 0.019101507685782084
      },
      {
        "context": "测区志留系主要分布于南部孙鉴铺－团林湾毛家铺一带，出露面积约141.28m2，占图幅总面积的15.85%，地层走向北西西向，构成背斜核部地层，厚度较大。",
        "score": 0.018399295539667234
      },
      {
        "context": "北部王胜一带零星出露中上三叠统地层，出露面积约34.5m2，占图幅总面积的3.87%。",
        "score": 0.014886472926272253
      }
    ],
    "total_hits": 18
  },
  {
    "query_text": "大岗顶组岩石中水平层理复理石韵律发育",
    "matched_texts": [
      {
        "context": "A层发育水平层理正粒序层理；岩层层面发育波痕构造。",
        "score": 0.01629685663336723
      },
      {
        "context": "下部基本层序如图，其中A层发育水平层理，岩层层面发育波痕构造，向上薄层石英砂岩夹曾减薄。",
        "score": 0.015204090368012946
      },
      {
        "context": "大冶组二段浅灰色中厚层状灰泥岩，具水平层理，岩石发育缝合线构造，与下伏大冶组一段整合接触，以中厚层状灰泥岩的出现作为分界标志，岩性稳定，厚35.67-65米。",
        "score": 0.014410455672170929
      }
    ],
    "total_hits": 12
  },
  {
    "query_text": "二云母石英片岩夹灰白色片状云母石英岩，137.6m",
    "matched_texts": [
      {
        "context": "深灰色薄层绿泥石化片岩云母石英片岩12.21m",
        "score": 0.022900056502367195
      },
      {
        "context": "灰绿色中层状凝灰岩夹灰色薄层状白云石化含放射虫硅质岩29.45m",
        "score": 0.022843190521274977
      },
      {
        "context": "灰色粉砂质板岩夹灰色薄层状细粒长石石英砂岩335.03m",
        "score": 0.022191491004346465
      }
    ],
    "total_hits": 6
  },
  {
    "query_text": "大岗顶组岩性为深灰色粉砂质泥岩含粉砂泥质千枚岩夹少量薄—微层状细砂岩，自下往上砂岩略有增多，顶部为薄层状泥岩。",
    "matched_texts": [
      {
        "context": "蒲圻组出露于测区北东角王胜附近，岩性为紫红色泥质粉砂岩粉砂质泥岩夹黄绿色含钙质粉砂岩含铁质结核粉砂质泥岩，具交错层理及波痕构造，产瓣鳃类及植物化石碎片，为内陆湖相沉积。",
        "score": 0.023560633867907875
      },
      {
        "context": "大冶组二段浅灰色中厚层状灰泥岩，具水平层理，岩石发育缝合线构造，与下伏大冶组一段整合接触，以中厚层状灰泥岩的出现作为分界标志，岩性稳定，厚35.67-65米。",
        "score": 0.022555964638252643
      },
      {
        "context": "云台观组上部黄褐色紫红色泥质粉砂岩含粉砂粘土质页岩灰白色铝土质页岩夹层中，有透镜状铁质粘土岩，含量低，Fe约5%，不具工业意义。",
        "score": 0.022051865478608768
      }
    ],
    "total_hits": 30
  },
  {
    "query_text": "灰绿色中—厚层状变质粉砂岩夹少量灰色中层状细粒变质砂岩，116.44m",
    "matched_texts": [
      {
        "context": "灰绿色中层状中粒岩屑砂岩夹灰紫色中层状岩屑长石砂岩50.02m",
        "score": 0.049926313435866024
      },
      {
        "context": "灰色厚层状中细粒长石砂岩夹灰色中层状中粒岩屑长石砂岩及少量深灰色薄层粉砂岩116.02m",
        "score": 0.04353266941623302
      },
      {
        "context": "紫红色中厚层状细粒长石岩屑砂岩夹灰色中厚层状粉砂岩120.76m",
        "score": 0.04316654210958394
      }
    ],
    "total_hits": 6
  },
  {
    "query_text": "调查区虎山组中，见有Isograptus victoriae victoriae Harris，Cardinograptus sp.，etragraptus bigsby等主要分子，时代属早奥陶世红花园期—大湾期。",
    "matched_texts": [
      {
        "context": "邻区鄂城程潮大王冲采获Permophorus Sp.，瓣腮 Entolium discites，Pteria sp.，Mytilus ex.gr.deuliformis等。",
        "score": 0.029814612895334155
      },
      {
        "context": "深灰色中厚层状瘤状生物屑灰泥岩夹黑色炭质页岩，厚12.43米，含Misellina claudiae（Deprat），Orthotichia cheiangensis Chao，Schuchertella semiplana（Waagen），Ogbinia Sp.，Cystomichelinia sp.。",
        "score": 0.014392853678564396
      },
      {
        "context": "在灰岩层中产有腕足Liosotella cylinrica (Ustrisi)，Orthotichia morganina(Derby)和虫筳Misellina claudiae (Deprat)，Pseudofusulina sp.，这些化石为早二叠世的重要分子。",
        "score": 0.014255706227867973
      }
    ],
    "total_hits": 24
  },
  {
    "query_text": "浮土,115.9m",
    "matched_texts": [
      {
        "context": "灰色玄武安山岩78.0m",
        "score": 0.011436279509679289
      },
      {
        "context": "灰绿色蚀变粗玄武岩139.63m",
        "score": 0.011031458914481282
      },
      {
        "context": "浅灰绿色片理化凝灰岩134.14m",
        "score": 0.010992581315932885
      }
    ],
    "total_hits": 6
  },
  {
    "query_text": "调查区主要分布在广西的归义镇樟木镇洞尾等地，出露面积约19.78m2，占总面积0.12%，岩性为中厚层状中细粒石英砂岩含砾不等粒石英杂砂岩夹薄层状泥质粉砂岩粉砂质泥岩。",
    "matched_texts": [
      {
        "context": "灰色厚层状中细粒长石砂岩夹灰色中层状中粒岩屑长石砂岩及少量深灰色薄层粉砂岩116.02m",
        "score": 0.027186705206658047
      },
      {
        "context": "灰紫色中－厚层状中－粗粒岩屑长石砂岩夹灰紫色薄层状细粒长石英砂岩4.42m",
        "score": 0.025969067621275054
      },
      {
        "context": "茅山组在毛铺一带下部为灰绿色中厚层状细粒岩屑石英砂岩夹黄绿色中薄层状泥质石英粉砂岩，上部为紫红色中薄层细粒长石石英砂岩夹粉砂质页岩，长石石英砂岩中夹灰黄色砂质条带，有黑色磁铁矿小斑点，断续分布。",
        "score": 0.025414087844091732
      }
    ],
    "total_hits": 36
  },
  {
    "query_text": "棕灰色条带状页岩，6.0m",
    "matched_texts": [
      {
        "context": "肉红色灰色球粒状流纹岩，厚53.81米。",
        "score": 0.019669759575486633
      },
      {
        "context": "肉红色灰色球粒流纹岩，厚66.51米。",
        "score": 0.018184879282311054
      },
      {
        "context": "灰色英安流纹质玻屑凝灰岩8.0m",
        "score": 0.0181012172251024
      }
    ],
    "total_hits": 6
  },
  {
    "query_text": "坝里组，江西区测队（1969）以江西于都县小溪乡坝里剖面创名，指整合于沙坝黄组与牛角河群之间的一套浅海相陆源火山碎屑夹硅质岩建造。",
    "matched_texts": [
      {
        "context": "大寺组二段下部浅紫色碎裂安山岩杏仁状安山岩夹安玄岩夹玄武岩及安山质含火山角砾晶屑岩屑凝灰岩等，反映火山喷溢活动",
        "score": 0.017902173700746385
      },
      {
        "context": "按岩性特征区域对比定为公安寨组，为一套紫红色内陆湖盆相碎屑沉积，与下伏地层的接触关系为角度不整合接触。",
        "score": 0.01728274599880274
      },
      {
        "context": "总体分析，测区上泥盆统为滨海相碎屑岩沉积。",
        "score": 0.015804201150034405
      }
    ],
    "total_hits": 12
  },
  {
    "query_text": "调查区主要产于南华—震旦纪的大绀山组及老虎塘组中，以老虎塘组所获的属种最多，以含 Leiominuscula（光面小球藻）Leiopsophosphaera（光球藻）rachysphaeridium（粗面球形藻）rachysphaeridium（穴面球形藻）为主。",
    "matched_texts": [
      {
        "context": "泥灰岩中含Darwinula yongfuensis Guan（永福达尔文介），Cypridea（Cypridea）gunsulinensis Su（公主岭女星介），Cypridea（Cypridea） dongfangensis Ding（东方女星介），Cypridea（Cypridea）SP.1（女星介未定种1），Naamnranaia Cf. Chingshanense（青山中村蚌相似种），Cladophlebis heterophylla（Fontaine）（异叶枝脉蕨），Cladophlebis Pachyphylla（Fontaine）（厚叶枝脉蕨），Gleichenites SP.2（里白未定种2）。",
        "score": 0.013606316941078018
      },
      {
        "context": "泥质粉砂岩中含大量瓣腮类及植物化石Utschamiella SP（鸟蛤姆蚌），Unio sp（珠蚌），Ciathropteris sp（格子蕨），PtilophyIIum Pecten（Phillips） Morris（栉形毛羽叶）等，厚26.18m。",
        "score": 0.012972427822738459
      },
      {
        "context": "湖北省大冶市西畈李二叠系梁山组－大隆组实测地层剖面",
        "score": 0.012022201154671371
      }
    ],
    "total_hits": 30
  },
  {
    "query_text": "罗东组与下伏罗洪组及上覆东冲组均呈整合接触，发育水平层理及条带状构造。",
    "matched_texts": [
      {
        "context": "下部基本层序如图，其中A层发育水平层理，岩层层面发育波痕构造，向上薄层石英砂岩夹曾减薄。",
        "score": 0.021996061343690976
      },
      {
        "context": "灰白色灰红色中薄层状白云岩，具水平层理，发育缝合线构造，厚1.10米。",
        "score": 0.017801496446443906
      },
      {
        "context": "灰色中薄层状灰泥岩夹灰色深灰色微层状泥质灰岩，具水平层理，可见缝合线构造，厚114.97米。",
        "score": 0.01728309694869054
      }
    ],
    "total_hits": 24
  },
  {
    "query_text": "上覆地层水石组，灰紫红色变质粉砂岩夹千枚岩-----断层接触-----高滩组，总厚度>1766.33m",
    "matched_texts": [
      {
        "context": "茅山组紫红色中薄层细粒长石石英砂岩夹紫红色粉砂质页岩，厚47.03米。",
        "score": 0.02473679691016511
      },
      {
        "context": "紫红色褐色粉砂质灰岩夹紫红色含砾粉砂岩，厚20.06米。",
        "score": 0.023636143470482006
      },
      {
        "context": "下伏地层蒲圻组黄绿色紫红色钙质粉砂岩夹灰色粉砂微晶灰岩。",
        "score": 0.023163948842509465
      }
    ],
    "total_hits": 24
  },
  {
    "query_text": "春湾组岩性为细粒石英砂岩长石石英砂岩夹粉砂质泥岩钙质泥质粉砂岩及薄层生物灰岩，水平层理发育。",
    "matched_texts": [
      {
        "context": "灰黄色粉砂质粘土岩，粉砂状泥质结构，薄层状构造，单层厚度1-5cm。水平层理发育。具球状风化。厚9.27米",
        "score": 0.039857558612022066
      },
      {
        "context": "坟头组一段下部紫红色，灰黄色灰绿色粉砂质页岩含粉砂水云母页岩夹薄层细砂岩泥质石英粉砂岩，水平层理平行层理发育，单层厚1-6cm。",
        "score": 0.028272063391267137
      },
      {
        "context": "茅山组在毛铺一带下部为灰绿色中厚层状细粒岩屑石英砂岩夹黄绿色中薄层状泥质石英粉砂岩，上部为紫红色中薄层细粒长石石英砂岩夹粉砂质页岩，长石石英砂岩中夹灰黄色砂质条带，有黑色磁铁矿小斑点，断续分布。",
        "score": 0.02771814249195981
      }
    ],
    "total_hits": 36
  },
  {
    "query_text": "坝里组岩性为变质（长石）石英砂岩、变质粉砂岩、云母石英片岩、千枚岩为主夹薄层状含炭质千枚岩、薄层石英岩（硅质岩）及石英云母片岩。",
    "matched_texts": [
      {
        "context": "栖霞组下部基本层序由A灰黑色中－厚层瘤状含碳质生物屑灰岩；B碳质页岩组成。",
        "score": 0.020738649848580263
      },
      {
        "context": "坟头组二段 灰黄色黄绿色纹层状泥质石英粉砂岩夹黄绿色页岩灰绿色粉砂质页岩，上部出现薄层石英砂岩。",
        "score": 0.0206404781047269
      },
      {
        "context": "灰色中－厚层轻变质不等粒长石岩屑杂砂岩夹深灰色薄层板岩（向斜核部）140.98m",
        "score": 0.020566908040789863
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    ],
    "total_hits": 42
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  {
    "query_text": "灰色条带状页岩，2.0m",
    "matched_texts": [
      {
        "context": "肉红色灰色球粒状流纹岩，厚53.81米。",
        "score": 0.018327411191645278
      },
      {
        "context": "肉红色灰色球粒流纹岩，厚66.51米。",
        "score": 0.017001885718640402
      },
      {
        "context": "灰色英安流纹质玻屑凝灰岩8.0m",
        "score": 0.01635573116315089
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    ],
    "total_hits": 6
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  {
    "query_text": "原大绀山群是指一套由地槽型类复理石建造、火山硅质铁锰质建造及泥质页岩建造组成的地层。",
    "matched_texts": [
      {
        "context": "大隆组下部基本层序由A薄层泥质灰岩；B泥质页岩组成。",
        "score": 0.018789093174532773
      },
      {
        "context": "大寺组二段下部浅紫色碎裂安山岩杏仁状安山岩夹安玄岩夹玄武岩及安山质含火山角砾晶屑岩屑凝灰岩等，反映火山喷溢活动",
        "score": 0.016701976402239943
      },
      {
        "context": "栖霞组下部基本层序由A灰黑色中－厚层瘤状含碳质生物屑灰岩；B碳质页岩组成。",
        "score": 0.015067984808778499
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    ],
    "total_hits": 18
  },
  {
    "query_text": "灰色薄层状千枚岩夹薄层状细粒变质砂岩，122.32m",
    "matched_texts": [
      {
        "context": "灰色厚层状生物屑灰岩夹黑色薄层状透镜状炭质页岩，厚13.05米。",
        "score": 0.03996014716768067
      },
      {
        "context": "深灰色薄层状细粒长石石英砂岩与深灰色粉砂质板岩互层101.60m",
        "score": 0.03707437914373832
      },
      {
        "context": "紫红色中厚层状细粒长石岩屑砂岩夹灰色中厚层状粉砂岩120.76m",
        "score": 0.03026719047029538
      }
    ],
    "total_hits": 6
  },
  {
    "query_text": "灰—灰红色板岩与灰—浅灰绿色中层状片理化细粒变质砂岩及粉砂质板岩互层，23.2m",
    "matched_texts": [
      {
        "context": "灰色中厚层状细粒长石石英砂岩与深灰色粉砂质板岩互层（向斜核部）未见顶47.09m",
        "score": 0.053281723168130804
      },
      {
        "context": "深灰色薄层状细粒长石石英砂岩与深灰色粉砂质板岩互层101.60m",
        "score": 0.05282932020822665
      },
      {
        "context": "灰色薄层状中细粒长石石英砂岩与灰绿色粉砂质板岩互层242.67m",
        "score": 0.03388283314480073
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    ],
    "total_hits": 6
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  {
    "query_text": "泥岩中见包卷层理，未见底，与上覆古墓组呈整合接触。",
    "matched_texts": [
      {
        "context": "灰岩中多见有硅质条带或结核，其中有大量的虫筳化石和海百合碎片",
        "score": 0.008686288928321682
      },
      {
        "context": "变砂岩中发育大量的龟背石，不对称波痕，冲刷泥砾平行层理 ，为旋回性基本层序（图2-33a），下部的基本层序是由变中－细粒长石石英岩屑砂岩，变余矿物粉砂岩和粉砂质板岩的自旋回性沉积层序构成",
        "score": 0.008504462455061411
      },
      {
        "context": "砂岩中可见交错层理斜层理及波痕构造发育。",
        "score": 0.007999203204368316
      }
    ],
    "total_hits": 12
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  {
    "query_text": "浅灰色石英粉砂质绢云母千枚岩夹黑色含炭质千枚岩，33.6m",
    "matched_texts": [
      {
        "context": "灰绿色中层状凝灰岩夹灰色薄层状白云石化含放射虫硅质岩29.45m",
        "score": 0.027467215401858803
      },
      {
        "context": "灰色中层状细粒长石石英砂岩夹少量灰－深灰色粉砂质板岩198.71m",
        "score": 0.027299233312929168
      },
      {
        "context": "灰色粉砂质板岩夹灰色薄层状细粒长石石英砂岩335.03m",
        "score": 0.0263604553750968
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    ],
    "total_hits": 6
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  {
    "query_text": "灰白浅灰色片理化黑云斜长变粒岩夹薄层石英黑云母片岩，80.8m ",
    "matched_texts": [
      {
        "context": "深灰色薄层绿泥石化片岩云母石英片岩12.21m",
        "score": 0.036084265812572534
      },
      {
        "context": "灰色中－厚层轻变质不等粒长石岩屑杂砂岩夹深灰色薄层板岩（向斜核部）140.98m",
        "score": 0.029583395542831903
      },
      {
        "context": "灰绿色中层状凝灰岩夹灰色薄层状白云石化含放射虫硅质岩29.45m",
        "score": 0.028362265886938052
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    ],
    "total_hits": 3
  },
  {
    "query_text": "黄褐色云母片岩夹薄层状云母石英片岩，86.6m",
    "matched_texts": [
      {
        "context": "深灰色薄层绿泥石化片岩云母石英片岩12.21m",
        "score": 0.033643336535394974
      },
      {
        "context": "灰色粉砂质板岩夹灰色薄层状细粒长石石英砂岩335.03m",
        "score": 0.031027030648164356
      },
      {
        "context": "灰绿色中层状凝灰岩夹灰色薄层状白云石化含放射虫硅质岩29.45m",
        "score": 0.02924102113343759
      }
    ],
    "total_hits": 6
  },
  {
    "query_text": "高州表壳岩组合岩石被片麻状花岗岩侵入。",
    "matched_texts": [
      {
        "context": "板岩组砂岩与板岩互层段的时代应为晚三叠世 Norian 期沉积。",
        "score": 0.01521077928436505
      },
      {
        "context": "灰绿色巨厚层状复成分火山角砾岩13.49m",
        "score": 0.013895782900443594
      },
      {
        "context": "深灰色厚层-块状含燧石灰质团块含灰泥质生物屑灰岩，厚84.76米。",
        "score": 0.013303101472280808
      }
    ],
    "total_hits": 6
  },
  {
    "query_text": "合浦组岩性为灰浅黄色杂砂岩粉砂质泥岩及少量含锰钙硅泥岩，具复理石韵律特征。",
    "matched_texts": [
      {
        "context": "九里岗组土黄色石英细砂岩与土黄色薄层状粉砂岩泥质粉砂岩及灰黑色粉砂质页岩互层。",
        "score": 0.025707237338883568
      },
      {
        "context": "下伏地层蒲圻组黄绿色紫红色钙质粉砂岩夹灰色粉砂微晶灰岩。",
        "score": 0.022656578561399222
      },
      {
        "context": "坟头组一段上部黄绿色灰黄色泥质石英粉砂岩夹粉砂质页岩，水平层理平行层理发育，纹层发育，单层厚1-12cm。",
        "score": 0.020210334143101538
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    ],
    "total_hits": 24
  },
  {
    "query_text": "大绀山组，总厚度>1021m",
    "matched_texts": [
      {
        "context": "大寺组二段下部浅紫色碎裂安山岩杏仁状安山岩夹安玄岩夹玄武岩及安山质含火山角砾晶屑岩屑凝灰岩等，反映火山喷溢活动",
        "score": 0.011260498512798388
      },
      {
        "context": "甲丕拉组（J3jp）其岩性灰紫色厚层状含砾粗粒粒岩岩屑长石砂岩 角度不整合 九十道班组 厚度1351.61m ",
        "score": 0.011257117503893596
      },
      {
        "context": "砂岩组（2-3B） 厚度2959.61m",
        "score": 0.01099787563922551
      }
    ],
    "total_hits": 6
  },
  {
    "query_text": "春湾组在调查区较发育，主要分布于恩平横陂西阳春双悦村—卫国罗定连滩等地，出露面积约254.83m2，占总面积1.51%。",
    "matched_texts": [
      {
        "context": "二叠系分布于测区南部蔡家脑向斜毛百市向斜及猪风岭向斜两翼以及铜鼓山岩体北东侧亦有分布，出露面积约56.65m2，占图幅总面积的6.36%。",
        "score": 0.01826526905883182
      },
      {
        "context": "测区志留系主要分布于南部孙鉴铺－团林湾毛家铺一带，出露面积约141.28m2，占图幅总面积的15.85%，地层走向北西西向，构成背斜核部地层，厚度较大。",
        "score": 0.017434603704652846
      },
      {
        "context": "更新统广泛分布于测区梁子湖－金牛镇以西的垅岗地带，面积为185.725Km2，占测区总面积20.84%。",
        "score": 0.013450118850156038
      }
    ],
    "total_hits": 12
  },
  {
    "query_text": "天子岭组下与春湾组上与帽子峰组均呈整合接触，接触关系清楚。",
    "matched_texts": [
      {
        "context": "梁山组与栖霞组整合接触1.炭质页岩2.炭质灰岩3.炭质瘤状灰岩",
        "score": 0.010243777392913636
      },
      {
        "context": "龙潭组－下窑组灰岩中含蜓 Codonofusiella schubertelloides sheng，Schubertella sp.，Nodosaria sp.，Palaeotextularia sp.，腕足Linoproductus sp.，珊瑚 achylasma sp.，Notothyris sp.等，该组合属于晚二叠世早期。",
        "score": 0.008350759418846472
      },
      {
        "context": "火山岩盆地南部木麻树－三角山一带出现一套酸性熔岩岩穹，为流纹岩球粒流纹岩。",
        "score": 0.008197676891247188
      }
    ],
    "total_hits": 12
  },
  {
    "query_text": "云开群第二组，上部厚层状角岩化云母长石石英岩夹石英黑云母片岩，下部灰绿色片状绿帘岩",
    "matched_texts": [
      {
        "context": "茅山组顶部基本层序A厚层块状长石石英砂岩B粉砂质页岩",
        "score": 0.025888983247276707
      },
      {
        "context": "灰色中厚层状细粒长石石英砂岩与深灰色粉砂质板岩互层（向斜核部）未见顶47.09m",
        "score": 0.022529590800325416
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      {
        "context": "灰色薄层状中细粒长石石英砂岩与灰绿色粉砂质板岩互层242.67m",
        "score": 0.019922478413809886
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    "total_hits": 18
  },
  {
    "query_text": "紫红色千枚岩（片理化泥岩）夹红色变质粉砂岩，28.35m",
    "matched_texts": [
      {
        "context": "浅紫色紫红色英安岩夹流纹岩，厚4.23米。",
        "score": 0.02328773280936882
      },
      {
        "context": "浅紫色紫红色含角砾石泡流纹岩，厚11.82米。",
        "score": 0.022129968994541123
      },
      {
        "context": "茅山组紫红色中薄层细粒长石石英砂岩夹紫红色粉砂质页岩，厚47.03米。",
        "score": 0.022124903615417753
      }
    ],
    "total_hits": 6
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  {
    "query_text": "大绀山组下部灰色条带状石英二云母片岩、暗灰绿色条带状十字石二云母片岩、灰黑色炭质云母片岩夹粉砂岩、炭质云母石英片岩、变粒岩、灰色块状黑云母斜长石岩、透辉石斜长石岩及灰黑色薄层微粒结晶灰岩，火山凝灰物质集中分布于鹏石，>243m",
    "matched_texts": [
      {
        "context": "灰色厚层状中细粒长石砂岩夹灰色中层状中粒岩屑长石砂岩及少量深灰色薄层粉砂岩116.02m",
        "score": 0.023434320896008054
      },
      {
        "context": "嘉陵江组二段紫灰色厚层白云石化颗粒微晶灰岩向深灰色厚层鲕粒砂屑灰岩变化。",
        "score": 0.023381683343128325
      },
      {
        "context": "新滩组灰黄－黄绿色水云母页岩灰黄色灰绿色含粉砂质水云母页岩与含铁泥质石英粉砂岩互层产出，局部夹灰黄色粉砂质粘土岩。",
        "score": 0.02321516545135911
      }
    ],
    "total_hits": 84
  },
  {
    "query_text": "浅灰色变粒岩，42.2m",
    "matched_texts": [
      {
        "context": "浅灰绿色片理化凝灰岩134.14m",
        "score": 0.021687994164997663
      },
      {
        "context": "灰绿色细粒辉长岩(构造岩块)11.24m",
        "score": 0.019925598249091566
      },
      {
        "context": "浅灰色厚层状灰岩18.44m",
        "score": 0.019855828915565917
      }
    ],
    "total_hits": 6
  },
  {
    "query_text": "黄褐色变质长石石英砂岩闪灰黑色石英云母片岩，52.4m",
    "matched_texts": [
      {
        "context": "深灰色薄层绿泥石化片岩云母石英片岩12.21m",
        "score": 0.03335596985004294
      },
      {
        "context": "灰色粉砂质板岩夹灰色薄层状细粒长石石英砂岩335.03m",
        "score": 0.033167066139794005
      },
      {
        "context": "灰色中层状细粒长石石英砂岩夹少量灰－深灰色粉砂质板岩198.71m",
        "score": 0.030677342915009936
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    ],
    "total_hits": 6
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  {
    "query_text": "灰色细粒变质砂岩夹粉砂岩及灰绿色中—厚层状板岩，35.15m",
    "matched_texts": [
      {
        "context": "灰色薄层状中细粒长石石英砂岩与灰绿色粉砂质板岩互层242.67m",
        "score": 0.06541600252037669
      },
      {
        "context": "灰色中－厚层状中粒石英砂岩夹深灰色粉砂质板岩9.82m",
        "score": 0.06439957293618168
      },
      {
        "context": "灰色中－厚层状细粒岩屑长石砂岩夹灰色薄层钙质粉砂岩及粉砂质板岩231.03m",
        "score": 0.06417796223022727
      }
    ],
    "total_hits": 6
  },
  {
    "query_text": "灰黄色中—薄层状片理化细粒变质砂岩与灰—深灰色千枚岩，50.93m",
    "matched_texts": [
      {
        "context": "灰色中厚层状细粒长石石英砂岩与深灰色粉砂质板岩互层（向斜核部）未见顶47.09m",
        "score": 0.03695216787254389
      },
      {
        "context": "灰色薄层状中细粒长石石英砂岩与灰绿色粉砂质板岩互层242.67m",
        "score": 0.03688335223387521
      },
      {
        "context": "深灰色薄－中层状中细粒长石石英砂岩与深灰色粉砂质板岩互层448.97m",
        "score": 0.028664280186802196
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    ],
    "total_hits": 6
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  {
    "query_text": "片理化云母长石石英岩夹风化紫红色纹层状石英云母片岩，132.0m",
    "matched_texts": [
      {
        "context": "深灰色薄层绿泥石化片岩云母石英片岩12.21m",
        "score": 0.02363851780621238
      },
      {
        "context": "灰色粉砂质板岩夹灰色薄层状细粒长石石英砂岩335.03m",
        "score": 0.01649013877824618
      },
      {
        "context": "灰色玄武安山岩78.0m",
        "score": 0.01580086417003481
      }
    ],
    "total_hits": 6
  },
  {
    "query_text": "灰白银灰色云母石英片岩，87.7m",
    "matched_texts": [
      {
        "context": "深灰色薄层绿泥石化片岩云母石英片岩12.21m",
        "score": 0.027646727170599874
      },
      {
        "context": "灰白色褐黄色长石石英砂岩，厚14.37米。",
        "score": 0.021062110665425272
      },
      {
        "context": "灰色灰岩夹粉砂质板岩（断层破坏下部地层出露不全）46.7m ",
        "score": 0.018880153332104636
      }
    ],
    "total_hits": 6
  },
  {
    "query_text": "云开地层分区的奥陶纪地层自下而上为罗洪组罗东组东冲组兰瓮组。",
    "matched_texts": [
      {
        "context": "龙潭组－下窑组灰岩中含蜓 Codonofusiella schubertelloides sheng，Schubertella sp.，Nodosaria sp.，Palaeotextularia sp.，腕足Linoproductus sp.，珊瑚 achylasma sp.，Notothyris sp.等，该组合属于晚二叠世早期。",
        "score": 0.010420686563855882
      },
      {
        "context": "湖北省大冶市西畈李二叠系梁山组－大隆组实测地层剖面",
        "score": 0.009133465514444331
      },
      {
        "context": "大冶组一段与下伏二叠纪大隆组整合接触，以黄绿色泥质页岩的出现作为分界标志，厚28.51-55米。",
        "score": 0.009056887468836546
      }
    ],
    "total_hits": 30
  },
  {
    "query_text": "调查区坝里组主要分布于阳春—河朗云安镇安以东，恩平以南东湖水库附近有小面积出露，约233.32m2，占调查区总面积的1.38%。",
    "matched_texts": [
      {
        "context": "测区志留系主要分布于南部孙鉴铺－团林湾毛家铺一带，出露面积约141.28m2，占图幅总面积的15.85%，地层走向北西西向，构成背斜核部地层，厚度较大。",
        "score": 0.017013906940009142
      },
      {
        "context": "更新统广泛分布于测区梁子湖－金牛镇以西的垅岗地带，面积为185.725Km2，占测区总面积20.84%。",
        "score": 0.014016421325358866
      },
      {
        "context": "全新统主要分布于测区西部梁子湖－金牛镇一带，以及丘陵垄岗地形中的冲沟地带，面积为307.53Km2，占测区总面积34.5%。",
        "score": 0.012716236757639037
      }
    ],
    "total_hits": 18
  },
  {
    "query_text": "硅质炭质岩组合，上部为灰白色条带状硅质岩（微粒石英岩），具水平层理，沿层面见绢云母分布；下部为炭质云母石英片岩，51.9m",
    "matched_texts": [
      {
        "context": "灰白色灰红色中薄层状白云岩，具水平层理，发育缝合线构造，厚1.10米。",
        "score": 0.0683784939953883
      },
      {
        "context": "灰色中薄层状灰泥岩夹灰色深灰色微层状泥质灰岩，具水平层理，可见缝合线构造，厚114.97米。",
        "score": 0.06708611697614467
      },
      {
        "context": "浅灰色中薄层状微晶灰岩，具水平层理，局部可见缝合线构造，厚9.28米。",
        "score": 0.06324013030925288
      }
    ],
    "total_hits": 30
  },
  {
    "query_text": "灰色中厚层状角岩化细砂岩，4m",
    "matched_texts": [
      {
        "context": "灰绿色厚层状中粒岩屑长石砂岩18.15m",
        "score": 0.038600377045156335
      },
      {
        "context": "灰白色中厚层状长石石英砂岩，厚21.75m。",
        "score": 0.0382108321260533
      },
      {
        "context": "浅黄色中厚层状钙质长石石英砂岩，厚6.56米。",
        "score": 0.03735247997503603
      }
    ],
    "total_hits": 6
  },
  {
    "query_text": "调查区天子岭组为浅海局部为碳酸盐台地相沉积。",
    "matched_texts": [
      {
        "context": "大埔组厚26.59-52.74米，为浅海台地相沉积，与下伏云台观组呈平行不整合接触。",
        "score": 0.022580029150136814
      },
      {
        "context": "大冶组属台地－台地边缘浅滩相沉积。",
        "score": 0.01889842342520948
      },
      {
        "context": "大隆组总体为半深海盆地－浅海陆棚相沉积。",
        "score": 0.01652259358027555
      }
    ],
    "total_hits": 6
  },
  {
    "query_text": "春湾组岩性为灰—浅灰色细粒长石石英砂岩钙泥质粉砂岩长石石英粉砂岩长石石英砂岩泥质页岩粉砂质页岩板岩等，钙泥质粉砂岩钙质或粉砂质泥岩粉砂岩等较为常见，局部铁泥质结核，具水平层理。",
    "matched_texts": [
      {
        "context": "浅灰色厚层块状纹层状细-微晶白云岩，细-微晶结构，块状构造，刀砍纹发育，局部可见晶洞构造缝合线构造，具水平层理。",
        "score": 0.05381111609354584
      },
      {
        "context": "灰色中薄层状灰泥岩夹灰色深灰色微层状泥质灰岩，具水平层理，可见缝合线构造，厚114.97米。",
        "score": 0.04110338015028988
      },
      {
        "context": "灰色中薄层状灰泥岩夹灰色深灰色薄层状泥质灰岩，具水平层理，局部可见缝合线构造，厚45.00米。",
        "score": 0.04104733783170676
      }
    ],
    "total_hits": 72
  },
  {
    "query_text": "灰白浅灰色片理化黑云斜长变粒岩夹薄层石英黑云母片岩，80.8m ——————————整合——————————下伏地层云开群第一组，灰绿色石英云母片。",
    "matched_texts": [
      {
        "context": "浅灰色厚层纹层状含灰质中-细晶白云岩，中-细晶结构，块状构造，发育稀疏的刀砍纹，具水平层理，单层厚度30-40cm，厚13.25米。",
        "score": 0.027123717194191845
      },
      {
        "context": "新滩组灰黄－黄绿色水云母页岩灰黄色灰绿色含粉砂质水云母页岩与含铁泥质石英粉砂岩互层产出，局部夹灰黄色粉砂质粘土岩。",
        "score": 0.0165192347149943
      },
      {
        "context": "灰白色灰红色厚层-块状含砂屑白云岩夹浅灰色中厚层-块状白云岩，具平行层理，厚34.89米。",
        "score": 0.014976884279710499
      }
    ],
    "total_hits": 18
  },
  {
    "query_text": "大绀山组上部以灰黑色条带状云母石英片岩、白色与灰黑色条带状炭质微粒石英岩和片状微粒石英岩为主夹灰白色硅质岩。下部灰黑色炭质绢云母千枚岩与条带状黄铁矿层互层（上部以黄铁矿为主夹微粒石英岩），鹏石—崩岗一带见少量火山凝灰物质，>216m",
    "matched_texts": [
      {
        "context": "茅山组在毛铺一带下部为灰绿色中厚层状细粒岩屑石英砂岩夹黄绿色中薄层状泥质石英粉砂岩，上部为紫红色中薄层细粒长石石英砂岩夹粉砂质页岩，长石石英砂岩中夹灰黄色砂质条带，有黑色磁铁矿小斑点，断续分布。",
        "score": 0.02073816116936179
      },
      {
        "context": "大埔组灰色灰白色厚层－块状细晶白云岩含藻粉屑藻砂屑细晶白云岩，底部为浅灰色块状角砾状白云岩，局部岩石中夹燧石结核或条带，刀砍纹发育，具块状层理，局部可见鸟眼构造晶洞构造缝合线构造，具水平层理平行层理，单层厚度50cm。",
        "score": 0.020017260366566692
      },
      {
        "context": "大冶组四段主要岩性下部为浅灰色块状含白云石微-细晶灰岩中部为浅灰色厚层状微晶灰岩，上部为浅灰色块状含砂屑微－细晶灰岩，顶部为浅灰色块状鲕粒灰岩。常见溶蚀构造缝合线构造，局部可见斜层理构造，顶部发育鸟眼构造晶洞构造。",
        "score": 0.019734076609137865
      }
    ],
    "total_hits": 66
  },
  {
    "query_text": "水石组岩性为层状变质砂岩变质粉砂岩千枚岩粉砂质板岩板岩夹含炭质千枚岩，水平层理发育。",
    "matched_texts": [
      {
        "context": "灰黄色粉砂质粘土岩，粉砂状泥质结构，薄层状构造，单层厚度1-5cm。水平层理发育。具球状风化。厚9.27米",
        "score": 0.039626512141650756
      },
      {
        "context": "紫红色粘土岩，泥质结构，页片状构造，水平层理发育，单层厚1-2mm，厚6.17米，整合新滩组。",
        "score": 0.028653080907921766
      },
      {
        "context": "浅灰色厚层块状纹层状细-微晶白云岩，细-微晶结构，块状构造，刀砍纹发育，局部可见晶洞构造缝合线构造，具水平层理。",
        "score": 0.020217934501185184
      }
    ],
    "total_hits": 42
  },
  {
    "query_text": "云开群第二组与大绀山组底部砾岩呈平行不整合接触，下与云开群第一组顶部的大理岩或钙质粉砂岩整合接触，总厚>1343m。",
    "matched_texts": [
      {
        "context": "上部基本层序 A层为泥质粉砂岩，向上层厚减薄，显示进积型层序。",
        "score": 0.01855894214935947
      },
      {
        "context": "基本层序特征 ⑴砂岩组（2-3B） 本组上部的基本层序是由变中细粒岩屑砂岩和粉砂质板岩的自旋回性沉积序列构成",
        "score": 0.018422611664383845
      },
      {
        "context": "坟头组一段下部紫红色，灰黄色灰绿色粉砂质页岩含粉砂水云母页岩夹薄层细砂岩泥质石英粉砂岩，水平层理平行层理发育，单层厚1-6cm。",
        "score": 0.018375610706002705
      }
    ],
    "total_hits": 30
  },
  {
    "query_text": "1:25万阳春县幅调查区地处粤西云开大山腹地，北倚西江，西接广西，东邻珠三角，南连阳江市。",
    "matched_texts": [
      {
        "context": "测区东邻殷祖幅青山水库厚600m。",
        "score": 0.007296588230421482
      },
      {
        "context": "测区东邻殷祖幅青山水库厚268m。",
        "score": 0.0072232581505787445
      },
      {
        "context": "二叠系分布于测区南部蔡家脑向斜毛百市向斜及猪风岭向斜两翼以及铜鼓山岩体北东侧亦有分布，出露面积约56.65m2，占图幅总面积的6.36%。",
        "score": 0.00710823135991722
      }
    ],
    "total_hits": 30
  },
  {
    "query_text": "合浦组，未见顶，厚度343m。",
    "matched_texts": [
      {
        "context": "大冶幅走马山厚度81m。",
        "score": 0.009946070311201698
      },
      {
        "context": "大冶幅走马山厚度大于456m。",
        "score": 0.008431851390677796
      },
      {
        "context": "测区东邻殷祖幅青山水库厚268m。",
        "score": 0.007504143905150259
      }
    ],
    "total_hits": 6
  },
  {
    "query_text": "据此将坑坪细碧-角斑岩系的时代置于震旦纪。生物地层微古植物Leiominuscula minuta — Leiopsophospaera minor组合为南颐（1993）所建，目前在云开群地层中共采获微古计有37属93种。",
    "matched_texts": [
      {
        "context": "早中二叠世九十道班组灰色灰岩 断层 巴贡组 厚度2234.26m ",
        "score": 0.011196502323108513
      },
      {
        "context": "黑云母流纹岩，喷发不整合灵乡组。",
        "score": 0.010795716240818798
      },
      {
        "context": "灰色深灰色厚层状含燧石结核碎裂生物屑灰岩，厚42.16米，含Hefengnautilus sp.，Neochonetes nantanensis（Grabau），Martinia sp.，Verbeeina grabaui hompson et Foster，Cribrogenerina sp.，Schwagerina cf. pactiruga Chen，S.cf. subobsoletus var. ouboensis（Ozawa），Multidiscus cf.viriosa Wang，Eogoniolina sp.，Hinganotrypa sichuanensis（Yang et Hsia）。",
        "score": 0.010736885443104182
      }
    ],
    "total_hits": 12
  },
  {
    "query_text": "区域上坝里组在云浮镇安一带以灰、灰绿色中厚层状变质（长石）石英砂岩、变质粉砂岩为主夹云母石英片岩、千枚岩、硅质岩等，往南到阳春变质砂岩明显减少，岩性为灰、灰绿色云母石英片岩与千枚岩互层夹变质砂岩；而东江地层分区恩平—阳江新洲一带岩性为灰色变质粉砂岩与千枚岩互层，夹变质砂岩、薄层石英岩、石英云母片岩及灰黑色含炭质千枚岩。",
    "matched_texts": [
      {
        "context": "灰色厚层状中细粒长石砂岩夹灰色中层状中粒岩屑长石砂岩及少量深灰色薄层粉砂岩116.02m",
        "score": 0.023801157771466974
      },
      {
        "context": "新滩组灰黄－黄绿色水云母页岩灰黄色灰绿色含粉砂质水云母页岩与含铁泥质石英粉砂岩互层产出，局部夹灰黄色粉砂质粘土岩。",
        "score": 0.020135111856288686
      },
      {
        "context": "大冶组四段下部基本层序，灰白色灰红色厚层－块状含砂屑白云岩夹浅灰色中厚层－块状白云岩；局部夹厚层状白云岩角砾岩等。",
        "score": 0.019761933175168916
      }
    ],
    "total_hits": 108
  },
  {
    "query_text": "大岗顶组水平层理微层理发育，泥岩中普遍含有12%的炭质。",
    "matched_texts": [
      {
        "context": "坟头组一段上部黄绿色灰黄色泥质石英粉砂岩夹粉砂质页岩，水平层理平行层理发育，纹层发育，单层厚1-12cm。",
        "score": 0.016894699306138183
      },
      {
        "context": "坟头组一段下部紫红色，灰黄色灰绿色粉砂质页岩含粉砂水云母页岩夹薄层细砂岩泥质石英粉砂岩，水平层理平行层理发育，单层厚1-6cm。",
        "score": 0.01670002075525956
      },
      {
        "context": "A层发育水平层理正粒序层理；岩层层面发育波痕构造。",
        "score": 0.014183757767172837
      }
    ],
    "total_hits": 18
  },
  {
    "query_text": "连县组为一套白云岩为主的碳酸盐岩沉积，厚度巨大，岩石中古生物较不发育，仅出现一些珊瑚类化石，沉积构造亦不发育，仅见少量的鸟眼构造。",
    "matched_texts": [
      {
        "context": "可分为三个岩组下部碎屑岩组，厚度 1330－3305m；中部火山岩碳酸盐岩组，厚 1777－1846m；上部碎屑岩组，厚645－3038m。",
        "score": 0.017467205844754797
      },
      {
        "context": "石炭系分布于测区南东部，出露面积约13.5m2，占图幅总面积的1.51%，仅见上统大埔组黄龙组，缺失下统，为一套碳酸盐岩沉积，与下伏泥盆纪云台观组或志留纪茅山组呈平行不整合接触。",
        "score": 0.016999088649017818
      },
      {
        "context": "地层大隆组灰黑色中层状炭质粘土岩夹灰色浅灰色含白云石粘土岩。",
        "score": 0.016312769273419535
      }
    ],
    "total_hits": 18
  },
  {
    "query_text": "变质粗玄武玢岩，具变余气孔和杏仁构造，0.8m",
    "matched_texts": [
      {
        "context": "浅黄-灰黄色安玄岩，玻基交织结构，杏仁构造，厚20.29米。",
        "score": 0.02271152831160982
      },
      {
        "context": "灰白色安山岩，少斑状结构基质具交织结构，杏仁体构造。",
        "score": 0.018568579445305624
      },
      {
        "context": "灰绿色蚀变粗玄武岩139.63m",
        "score": 0.01550219631794452
      }
    ],
    "total_hits": 18
  },
  {
    "query_text": "大绀山组下部以富含灰黑色条带状云母千枚岩夹火山岩黄铁矿层及灰岩透镜体硅质岩为特征。中部为石英岩云母石英片岩、石英云母片岩组成的韵律层，其顶部夹含磷白云岩透镜体。",
    "matched_texts": [
      {
        "context": "茅口组相邻大冶幅田家山一带，岩性单一，为浅灰－灰色厚层状含燧石结核灰岩结晶生物灰岩，中部夹燧石条带灰岩，上部夹含燧石结核白云质灰岩和白云岩透镜体。",
        "score": 0.019486667074687592
      },
      {
        "context": "深灰色中厚层状瘤状生物屑灰泥岩夹黑色炭质页岩，厚12.43米，含Misellina claudiae（Deprat），Orthotichia cheiangensis Chao，Schuchertella semiplana（Waagen），Ogbinia Sp.，Cystomichelinia sp.。",
        "score": 0.01719473610608598
      },
      {
        "context": "马架山组与灵乡岩体喷发不整合接触，1凝灰质角砾岩；2角闪闪长玢岩，占测区总面积的14.86%。",
        "score": 0.01616747307497513
      }
    ],
    "total_hits": 36
  },
  {
    "query_text": "黄褐色薄层状云母长石石英岩与黑云母片岩互层，夹2.7m的灰绿—灰黑色磁铁矿阳起石化石榴石矽卡岩，76.6m",
    "matched_texts": [
      {
        "context": "灰色粉砂质板岩夹灰色薄层状细粒长石石英砂岩335.03m",
        "score": 0.03096990475074327
      },
      {
        "context": "灰色薄层状中细粒长石石英砂岩与灰绿色粉砂质板岩互层242.67m",
        "score": 0.030378693010689514
      },
      {
        "context": "深灰色薄层状细粒长石石英砂岩与深灰色粉砂质板岩互层101.60m",
        "score": 0.021451843577320124
      }
    ],
    "total_hits": 18
  },
  {
    "query_text": "榴江组，总厚度>547m",
    "matched_texts": [
      {
        "context": "砂岩组（2-3B） 厚度2959.61m",
        "score": 0.010008627126256749
      },
      {
        "context": "新滩组厚度为105.65-232米。",
        "score": 0.009812537502044716
      },
      {
        "context": "早中二叠世九十道班组灰色灰岩 断层 巴贡组 厚度2234.26m ",
        "score": 0.00849511306747131
      }
    ],
    "total_hits": 6
  },
  {
    "query_text": "灰浅黄色含黑云红柱斜黝帘石角岩，19.0m —————————— 整合—————————— 下伏地层罗洪组，浅灰色变斑状黑云红柱石角岩与角岩化砂岩互层",
    "matched_texts": [
      {
        "context": "紫灰色绿黄色薄-中厚层粉砂岩夹绿黄色长石石英细砂岩，上部含少量大小2.56cm的菱铁矿结核。",
        "score": 0.021125295249177816
      },
      {
        "context": "浅紫色紫红色含角砾石泡流纹岩，厚11.82米。",
        "score": 0.020608724022311235
      },
      {
        "context": "灰白色灰红色厚层-块状含砂屑白云岩夹浅灰色中厚层-块状白云岩，具平行层理，厚34.89米。",
        "score": 0.02001434744328133
      }
    ],
    "total_hits": 24
  },
  {
    "query_text": "调查区罗洪组主要分布于阳春盆地北西及广西筋竹镇北，出露面积为257.46m2，占调查区总面积的1.52%。",
    "matched_texts": [
      {
        "context": "测区志留系主要分布于南部孙鉴铺－团林湾毛家铺一带，出露面积约141.28m2，占图幅总面积的15.85%，地层走向北西西向，构成背斜核部地层，厚度较大。",
        "score": 0.027271645328790277
      },
      {
        "context": "二叠系分布于测区南部蔡家脑向斜毛百市向斜及猪风岭向斜两翼以及铜鼓山岩体北东侧亦有分布，出露面积约56.65m2，占图幅总面积的6.36%。",
        "score": 0.014212262214546202
      },
      {
        "context": "火山岩组（3Bt2） 出露局限，呈窄条带状展布于日啊谷－扎茶也改等地，分别与上下伏地层整合接触，大部分断层接触，局部新近纪曲果组不整合其上，控制厚度大于 1033.81m。",
        "score": 0.01292118659773895
      }
    ],
    "total_hits": 18
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  {
    "query_text": "灰白灰绿色薄层状云母石英岩夹云母片岩，水平层理发育，502.2m",
    "matched_texts": [
      {
        "context": "灰黄色粉砂质粘土岩，粉砂状泥质结构，薄层状构造，单层厚度1-5cm。水平层理发育。具球状风化。厚9.27米",
        "score": 0.04627438949152788
      },
      {
        "context": "灰绿色中层状凝灰岩夹灰色薄层状白云石化含放射虫硅质岩29.45m",
        "score": 0.03343061996058374
      },
      {
        "context": "灰白色灰红色中薄层状白云岩，具水平层理，发育缝合线构造，厚1.10米。",
        "score": 0.031229059283915516
      }
    ],
    "total_hits": 12
  },
  {
    "query_text": "灰黑黄白色云母石英片岩，56.2m",
    "matched_texts": [
      {
        "context": "深灰色薄层绿泥石化片岩云母石英片岩12.21m",
        "score": 0.02911095129859025
      },
      {
        "context": "灰白色褐黄色长石石英砂岩，厚14.37米。",
        "score": 0.027214169672682295
      },
      {
        "context": "灰黄色黄绿色水云母页岩，泥质结构，页理构造，厚87.05米。",
        "score": 0.023528119326510458
      }
    ],
    "total_hits": 6
  },
  {
    "query_text": "黄白色巨厚层—中厚层状细粒杂砂岩与灰色薄层状泥岩互层夹灰黑色薄层状硅质岩，134.63m",
    "matched_texts": [
      {
        "context": "灰色中－厚层状细粒岩屑长石砂岩夹灰色薄层钙质粉砂岩及粉砂质板岩231.03m",
        "score": 0.054675013583031694
      },
      {
        "context": "深灰色薄－中层状中细粒长石石英砂岩与深灰色粉砂质板岩互层448.97m",
        "score": 0.05271724239174644
      },
      {
        "context": "深灰色薄层状细粒长石石英砂岩与深灰色粉砂质板岩互层101.60m",
        "score": 0.05249183219209627
      }
    ],
    "total_hits": 6
  },
  {
    "query_text": "灰色中—薄层状细粒变质砂岩夹薄层状千枚岩，63.47m",
    "matched_texts": [
      {
        "context": "紫红色中厚层状细粒长石岩屑砂岩夹灰色中厚层状粉砂岩120.76m",
        "score": 0.04577336227926703
      },
      {
        "context": "灰色中－厚层轻变质不等粒长石岩屑杂砂岩夹深灰色薄层板岩（向斜核部）140.98m",
        "score": 0.04121830675597111
      },
      {
        "context": "深灰色薄－中层状中细粒长石石英砂岩与深灰色粉砂质板岩互层448.97m",
        "score": 0.04043990179119004
      }
    ],
    "total_hits": 6
  },
  {
    "query_text": "东冲组在广东郁南葵洞一带与兰瓮组呈断层接触，而广西筋竹北边见与下伏罗东组及上覆兰瓮组均为整合接触，厚度241m。",
    "matched_texts": [
      {
        "context": "龙潭组与下伏茅口组平行不整合接触，以灰黑色炭质页岩的出现作为分界标志。",
        "score": 0.010857848927850378
      },
      {
        "context": "茅山组在蔡华生一带为灰黄色细粒石英砂岩与黄绿色灰黄色泥质石英粉砂岩互层产出，富含铁质矿物，有褐铁矿赤铁矿磁铁矿白钛矿等。",
        "score": 0.010191266636850908
      },
      {
        "context": "大冶幅走马山厚度81m。",
        "score": 0.009854936080733604
      }
    ],
    "total_hits": 36
  },
  {
    "query_text": "云开群第二组广泛分布于罗定—信宜—阳春一带，约697.28m2，占调查区总面积的4.12%，岩性为灰、灰黑、灰绿色变质粉砂岩、变质长石石英砂岩、云母石英片岩、石英云母片岩、绢云千枚岩，夹多层灰黑色炭质石英绢云母千枚岩、硅质岩、含锰石英片岩。",
    "matched_texts": [
      {
        "context": "茅山组在蔡华生一带为灰黄色细粒石英砂岩与黄绿色灰黄色泥质石英粉砂岩互层产出，富含铁质矿物，有褐铁矿赤铁矿磁铁矿白钛矿等。",
        "score": 0.021350614682098645
      },
      {
        "context": "灵乡组含有1.页岩2.泥质粉砂岩3.粉砂岩4.钙质粉砂岩5.细砂岩6.长石石英砂岩7.含砾凝灰质粗砂岩8.含砾砂岩9.砾岩10.灰岩11.泥质灰岩12.粉砂质灰岩13.泥灰岩14.层状角砾凝灰岩15.层状火山角砾岩16.安山岩17.安玄岩18.玄武岩19.流纹岩20.英安岩21.闪长岩22.透镜状砂砾岩23.气孔24.植物化石25.动物化石，厚度为409.99-947.03米，与下伏大寺组一段呈喷发不整合接触。",
        "score": 0.02102956496403112
      },
      {
        "context": "赋予尕笛考组新的涵义分布于唐古拉山北坡位于甲丕拉组之下地层体，由灰绿色紫红色及杂色火山碎屑岩火山岩夹灰岩及碎屑岩组成，含蜓及腕足类化石，未见底，其顶有时被甲丕拉组不整合覆盖。",
        "score": 0.02075206442842171
      }
    ],
    "total_hits": 60
  },
  {
    "query_text": "灰白深灰色变质长石石英砂岩，厚层状，具水平层理，152.7m",
    "matched_texts": [
      {
        "context": "灰色微层-薄层状夹中层状灰泥岩，具水平层理，厚1.71米。",
        "score": 0.09231646378472358
      },
      {
        "context": "浅灰色中薄层状含砂屑灰泥岩，具水平层理，厚15.94米。",
        "score": 0.08308141983263695
      },
      {
        "context": "灰色中薄层状灰泥岩夹灰色深灰色微层状泥质灰岩，具水平层理，可见缝合线构造，厚114.97米。",
        "score": 0.06217976923104292
      }
    ],
    "total_hits": 12
  },
  {
    "query_text": "灰色中—厚层状细粒变质砂岩夹千枚岩，111.60m",
    "matched_texts": [
      {
        "context": "灰色中－厚层轻变质不等粒长石岩屑杂砂岩夹深灰色薄层板岩（向斜核部）140.98m",
        "score": 0.03966889822882601
      },
      {
        "context": "灰绿色厚层状中粒岩屑长石砂岩18.15m",
        "score": 0.038428563418292726
      },
      {
        "context": "深灰色薄层状中粗粒岩屑长石砂岩126.86m",
        "score": 0.03097462459189653
      }
    ],
    "total_hits": 6
  },
  {
    "query_text": "连县组为一套灰深灰灰黑色中厚层—厚层状白云质灰岩和白云岩，夹灰黑色泥质灰岩。",
    "matched_texts": [
      {
        "context": "灰色中薄层状灰泥岩夹灰色深灰色微层状泥质灰岩，具水平层理，可见缝合线构造，厚114.97米。",
        "score": 0.03175649221012316
      },
      {
        "context": "九里岗组土黄色石英细砂岩与土黄色薄层状粉砂岩泥质粉砂岩及灰黑色粉砂质页岩互层。",
        "score": 0.02571045452298586
      },
      {
        "context": "新滩组灰黄－黄绿色水云母页岩灰黄色灰绿色含粉砂质水云母页岩与含铁泥质石英粉砂岩互层产出，局部夹灰黄色粉砂质粘土岩。",
        "score": 0.022224825940403377
      }
    ],
    "total_hits": 18
  },
  {
    "query_text": "合浦组基本层序由细砂岩粉砂岩及泥岩组成，发育水平层理，基本层序之间常见明显的冲刷面。",
    "matched_texts": [
      {
        "context": "基本层序中主要由含砾砂岩岩屑砂岩粉砂岩构成自旋回性沉积序列",
        "score": 0.022015640826859712
      },
      {
        "context": "该地层由北至南岩层厚度变化明显，岩石组合由砂岩粉砂岩及板岩组成。",
        "score": 0.017797873296072374
      },
      {
        "context": "上部基本层序 A层为泥质粉砂岩，向上层厚减薄，显示进积型层序。",
        "score": 0.01589426325640157
      }
    ],
    "total_hits": 18
  },
  {
    "query_text": "于信宜罗罅—铜古坪剖面见云开群第二组中夹阳起石绿帘石岩及英安斑岩。",
    "matched_texts": [
      {
        "context": "灵乡组含有1.页岩2.泥质粉砂岩3.粉砂岩4.钙质粉砂岩5.细砂岩6.长石石英砂岩7.含砾凝灰质粗砂岩8.含砾砂岩9.砾岩10.灰岩11.泥质灰岩12.粉砂质灰岩13.泥灰岩14.层状角砾凝灰岩15.层状火山角砾岩16.安山岩17.安玄岩18.玄武岩19.流纹岩20.英安岩21.闪长岩22.透镜状砂砾岩23.气孔24.植物化石25.动物化石，厚度为409.99-947.03米，与下伏大寺组一段呈喷发不整合接触。",
        "score": 0.010630473054915487
      },
      {
        "context": "甲丕拉组测区内广泛与下伏石炭纪杂多群中二叠世开心岭群呈广泛的角度不整合关系，与上覆波里拉组呈整合接触，厚度大于 220.75m。",
        "score": 0.010592950489723533
      },
      {
        "context": "大冶组四段中-上部基本层序A厚层鲕粒灰岩B纹层石白云岩C厚层白云岩",
        "score": 0.010370150246602794
      }
    ],
    "total_hits": 12
  },
  {
    "query_text": "大绀山组含大量的微古植物化石，共计有34属80种，以Leiopsophosphaera，rachysphaeridium为主，Asperatopsophosphaera，Pseudozonosphaeridium及Leiofusa显著增加，并出现Orygmatosphaeridium， Arctacellularia， Hubeisphaera 等新的属种，其地质时代属南华纪的可能性较大，前人在该组变粒岩长石石英岩中获得沉积锆石年龄值为 778267828 Ma，故调查区该组的时代应属南华纪，相应其年代地层为南华统。",
    "matched_texts": [
      {
        "context": "马架山组与灵乡岩体喷发不整合接触，1凝灰质角砾岩；2角闪闪长玢岩，占测区总面积的14.86%。",
        "score": 0.013309857216971326
      },
      {
        "context": "龙潭组－下窑组灰岩中含蜓 Codonofusiella schubertelloides sheng，Schubertella sp.，Nodosaria sp.，Palaeotextularia sp.，腕足Linoproductus sp.，珊瑚 achylasma sp.，Notothyris sp.等，该组合属于晚二叠世早期。",
        "score": 0.009596284953844894
      },
      {
        "context": "在这些化石中，Neoschwagerina  craticulifera(Schwager)，为中二叠世中晚期的标准分子，将九十道班组归为中二叠是比较适宜的。",
        "score": 0.008615833302767214
      }
    ],
    "total_hits": 48
  },
  {
    "query_text": "薄层状石英云母微片岩，66.4m",
    "matched_texts": [
      {
        "context": "深灰色薄层绿泥石化片岩云母石英片岩12.21m",
        "score": 0.019274670525365356
      },
      {
        "context": "浅灰色块状含白云石微-细晶灰岩，具平行层理，常见溶洞构造缝合线构造，局部可见斜层理构造，厚27.33米。",
        "score": 0.01832630931071925
      },
      {
        "context": "深灰色薄层状中粗粒岩屑长石砂岩126.86m",
        "score": 0.012951760738670914
      }
    ],
    "total_hits": 6
  },
  {
    "query_text": "浅黄灰绿色中薄层状角岩化含粉砂质泥岩，32m",
    "matched_texts": [
      {
        "context": "浅灰色中薄层状含砂屑灰泥岩，具水平层理，厚15.94米。",
        "score": 0.043054062128359716
      },
      {
        "context": "紫红色中薄层状含铁钙质细粒石英砂岩，厚2.16米",
        "score": 0.03503601715501029
      },
      {
        "context": "灰绿色中层状中粒岩屑长石砂岩2.33m",
        "score": 0.010496039401147909
      }
    ],
    "total_hits": 6
  },
  {
    "query_text": "水石组指一套砂岩板岩组成的复理石",
    "matched_texts": [
      {
        "context": "灰黄色黄绿色纹层状泥质石英粉砂岩夹含铁砂质石英粉砂岩，夹层厚2-10cm不等，岩石含少量黄铁矿，铁质矿物含量8%，厚8.77米",
        "score": 0.01363499993966446
      },
      {
        "context": "新滩组岩石具泥质结构含粉砂泥质结构泥质粉砂结构，水平层理平行层理发育，纹层发育，局部见波痕。",
        "score": 0.007855660862144875
      }
    ],
    "total_hits": 6
  },
  {
    "query_text": "片状石英岩与云母石英片岩互层，107.8m",
    "matched_texts": [
      {
        "context": "灰色灰岩夹粉砂质板岩（断层破坏下部地层出露不全）46.7m ",
        "score": 0.021934893503508156
      },
      {
        "context": "深灰色薄层状细粒长石石英砂岩与深灰色粉砂质板岩互层101.60m",
        "score": 0.0219342364493687
      },
      {
        "context": "灰色中厚层状细粒长石石英砂岩与深灰色粉砂质板岩互层（向斜核部）未见顶47.09m",
        "score": 0.021313953385321112
      }
    ],
    "total_hits": 6
  },
  {
    "query_text": "莲花山组发育粒序层理斜层理微型交错层理及楔状层理底冲刷构造等沉积构造。",
    "matched_texts": [
      {
        "context": "A层发育水平层理正粒序层理；岩层层面发育波痕构造。",
        "score": 0.017712367806225572
      },
      {
        "context": "九里岗组发育斜层理交错层理等沉积构造，产丰富的瓣鳃类植物化石，为河流相沉积。",
        "score": 0.0174908807794481
      },
      {
        "context": "砂岩中可见交错层理斜层理及波痕构造发育。",
        "score": 0.0163870140045865
      }
    ],
    "total_hits": 30
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  {
    "query_text": "灰白灰绿色云母石英片岩夹片状石英岩，层面平整，145.2m",
    "matched_texts": [
      {
        "context": "灰色粉砂质板岩夹灰色薄层状细粒长石石英砂岩335.03m",
        "score": 0.029443726040272393
      },
      {
        "context": "深灰色薄层绿泥石化片岩云母石英片岩12.21m",
        "score": 0.029368069595907847
      },
      {
        "context": "灰色中层状细粒长石石英砂岩夹少量灰－深灰色粉砂质板岩198.71m",
        "score": 0.029118750794216417
      }
    ],
    "total_hits": 6
  },
  {
    "query_text": "合浦组（S2h）指整合于防城组与古墓组之间的一套地层，岩性较单一，为一套泥质粉砂岩泥岩及石英砂岩等细碎屑岩组合，具复理石或类复理石特征，见于归义镇北，出露面积35.99m2，占调查区总面积的0.21%。",
    "matched_texts": [
      {
        "context": "二叠系分布于测区南部蔡家脑向斜毛百市向斜及猪风岭向斜两翼以及铜鼓山岩体北东侧亦有分布，出露面积约56.65m2，占图幅总面积的6.36%。",
        "score": 0.02313908590442134
      },
      {
        "context": "茅山组粉砂岩中交错层理，该组下部岩性简单，为含砂质泥质石英粉砂岩与细粒石英砂岩，组成加积型基本层序，岩性横向变化不大。为陆棚边缘盆地相沉积。",
        "score": 0.017956485539211656
      },
      {
        "context": "坟头组一段下部紫红色，灰黄色灰绿色粉砂质页岩含粉砂水云母页岩夹薄层细砂岩泥质石英粉砂岩，水平层理平行层理发育，单层厚1-6cm。",
        "score": 0.017829735224242194
      }
    ],
    "total_hits": 60
  },
  {
    "query_text": "上述表明调查区大绀山组属气候比较温暖的半深海相沉积环境。",
    "matched_texts": [
      {
        "context": "综上所述三叠纪沉积环境属活动性陆缘带半深海相沉积环境。",
        "score": 0.022361681326421398
      },
      {
        "context": "波里拉组化石丰富，反映为浅海相的沉积环境。",
        "score": 0.019895880270735886
      },
      {
        "context": "大隆组总体为半深海盆地－浅海陆棚相沉积。",
        "score": 0.01867907720182658
      }
    ],
    "total_hits": 6
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  {
    "query_text": "调查区分布于开平龙胜恩平锦江水库以西阳春圭岗河口—塘坪新兴筋竹—大江罗定船步南加益及岑溪筋竹—郁南通门一带，出露面积较大，约1020.04m2，占调查区总面积的6.03%。",
    "matched_texts": [
      {
        "context": "测区志留系主要分布于南部孙鉴铺－团林湾毛家铺一带，出露面积约141.28m2，占图幅总面积的15.85%，地层走向北西西向，构成背斜核部地层，厚度较大。",
        "score": 0.018318246551143422
      },
      {
        "context": "更新统广泛分布于测区梁子湖－金牛镇以西的垅岗地带，面积为185.725Km2，占测区总面积20.84%。",
        "score": 0.016411542671488425
      },
      {
        "context": "全新统主要分布于测区西部梁子湖－金牛镇一带，以及丘陵垄岗地形中的冲沟地带，面积为307.53Km2，占测区总面积34.5%。",
        "score": 0.013697894295714079
      }
    ],
    "total_hits": 12
  },
  {
    "query_text": "罗东组的时代暂定为中奥陶世。",
    "matched_texts": [
      {
        "context": "茅口组与下伏栖霞组整合接触。",
        "score": 0.006692215867258526
      },
      {
        "context": "大隆组与下伏下窑组整合接触。",
        "score": 0.006657210832229571
      },
      {
        "context": "茅山组由于顶部与泥盆系云台观组区域不整合面限制，与邻区对比，时代暂定为晚志留世。",
        "score": 0.006451937872756111
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    ],
    "total_hits": 6
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  {
    "query_text": "灰色变质粉砂岩夹紫红色千枚岩及绿色片理化变质细砂岩，191.32m",
    "matched_texts": [
      {
        "context": "紫红色中厚层状细粒长石岩屑砂岩夹灰色中厚层状粉砂岩120.76m",
        "score": 0.030828688588837548
      },
      {
        "context": "茅山组紫红色中薄层细粒长石石英砂岩夹紫红色粉砂质页岩，厚47.03米。",
        "score": 0.030435121320084378
      },
      {
        "context": "浅灰绿色片理化凝灰岩夹灰绿色片理化玄武安山岩   断层   早中二叠世俄巴达动灰岩（P1-2ca）",
        "score": 0.030349431075518615
      }
    ],
    "total_hits": 6
  },
  {
    "query_text": "调查区坝里组以细砂岩为主，夹粉砂岩泥岩，局部夹硅质岩及含炭质层，具水平层理纹层理，富含黄铁矿微晶，上述表明调查区坝里应属深海相沉积。",
    "matched_texts": [
      {
        "context": "灰绿色灰黄色石英砂岩，中细粒砂状结构，具水平层理平行层理，单层厚1-5cm，夹少量黄绿色页岩，厚7.00米。",
        "score": 0.028248829880068767
      },
      {
        "context": "绿色灰黄色细粒石英砂岩，细粒砂状结构，具水平层理平行层理，单层厚1-8cm，铁质种类有褐铁矿和赤铁矿，含量4%。厚2.67米",
        "score": 0.02566316547095018
      },
      {
        "context": "灰绿色灰黄色细粒岩屑石英砂岩，细粒砂状结构，具水平层理平行层理，单层厚10-35cm。夹少量黄绿色页岩。厚10.69米，整合坟头组二段。",
        "score": 0.024484723247177327
      }
    ],
    "total_hits": 54
  },
  {
    "query_text": "灰绿色薄层钙质泥岩与灰黑色薄层状炭质泥岩互层，45.16m",
    "matched_texts": [
      {
        "context": "灰色中薄层状灰泥岩夹灰色深灰色薄层状泥质灰岩，具水平层理，局部可见缝合线构造，厚45.00米。",
        "score": 0.03981261293660849
      },
      {
        "context": "灰绿色中层状凝灰岩夹灰色薄层状白云石化含放射虫硅质岩29.45m",
        "score": 0.021002893281868724
      },
      {
        "context": "灰色灰岩夹粉砂质板岩（断层破坏下部地层出露不全）46.7m ",
        "score": 0.0196191015615411
      }
    ],
    "total_hits": 6
  },
  {
    "query_text": "上覆地层连滩组，含泥粉—细砂岩夹薄层状泥岩，局部夹不等粒砂岩 ————————————整合———————————— 古墓组，总厚度，543m",
    "matched_texts": [
      {
        "context": "新滩组岩石中普遍含薄层细砂岩或砂质条带，条带厚0.5-1cm。间距一般5-15cm，相对稀疏，未见底，厚度大于654.71米。",
        "score": 0.01783613688805052
      },
      {
        "context": "栖霞组上部基本层序由A深灰色薄－中厚层瘤状生物屑灰岩，B薄层泥质灰岩组成，A层向上单层变薄，B层局部含碳质，向上泥质含量增高，为退积型基本层序。",
        "score": 0.017035270087181118
      },
      {
        "context": "公安寨组砂岩发育交错层理，A砂砾岩；B含砾细砂岩；C粉砂岩组成多个旋回层。",
        "score": 0.01659223671888114
      }
    ],
    "total_hits": 30
  },
  {
    "query_text": "连滩组，厚度>224.30m",
    "matched_texts": [
      {
        "context": "砂岩组（2-3B） 厚度2959.61m",
        "score": 0.015451918999558036
      },
      {
        "context": "查涌蛇绿岩（chop） 厚度1932.21m",
        "score": 0.015161971620812823
      },
      {
        "context": "早中二叠世九十道班组灰色灰岩 断层 巴贡组 厚度2234.26m ",
        "score": 0.01442624177756939
      }
    ],
    "total_hits": 6
  },
  {
    "query_text": "云开群第二组，未见顶，总厚度>2703.3m",
    "matched_texts": [
      {
        "context": "早中二叠世九十道班组灰色灰岩 断层 巴贡组 厚度2234.26m ",
        "score": 0.012488782943938636
      },
      {
        "context": "火山岩组（3Bt2） 出露局限，呈窄条带状展布于日啊谷－扎茶也改等地，分别与上下伏地层整合接触，大部分断层接触，局部新近纪曲果组不整合其上，控制厚度大于 1033.81m。",
        "score": 0.012202508463051084
      },
      {
        "context": "砂岩组（2-3B） 厚度2959.61m",
        "score": 0.010641657731772614
      }
    ],
    "total_hits": 6
  },
  {
    "query_text": "以老虎塘组所获的属种最多，以含 Leiominuscula（光面小球藻）Leiopsophosphaera（光球藻）rachysphaeridium（粗面球形藻）rachysphaeridium（穴面球形藻）为主。",
    "matched_texts": [
      {
        "context": "泥灰岩中含Darwinula yongfuensis Guan（永福达尔文介），Cypridea（Cypridea）gunsulinensis Su（公主岭女星介），Cypridea（Cypridea） dongfangensis Ding（东方女星介），Cypridea（Cypridea）SP.1（女星介未定种1），Naamnranaia Cf. Chingshanense（青山中村蚌相似种），Cladophlebis heterophylla（Fontaine）（异叶枝脉蕨），Cladophlebis Pachyphylla（Fontaine）（厚叶枝脉蕨），Gleichenites SP.2（里白未定种2）。",
        "score": 0.013278108443214675
      },
      {
        "context": "泥质粉砂岩中含大量瓣腮类及植物化石Utschamiella SP（鸟蛤姆蚌），Unio sp（珠蚌），Ciathropteris sp（格子蕨），PtilophyIIum Pecten（Phillips） Morris（栉形毛羽叶）等，厚26.18m。",
        "score": 0.011841000312979699
      },
      {
        "context": "灰绿色泥灰岩夹钙质页岩，厚9.97米，含Cladophlebis heterophylla （Fontaine）（异叶枝脉蕨），Gleichenites lingxianggensis（SP.nov）（灵乡似里白新种），Gleichenites SP.（SP.nov）（里白未定种）。",
        "score": 0.011437335050227822
      }
    ],
    "total_hits": 24
  },
  {
    "query_text": "迳尾—崩岗一带见酸性沉凝灰岩，>282m",
    "matched_texts": [
      {
        "context": "马架山组二段紫褐色灰紫色霏细岩夹气孔杏仁状霏细岩，顶部为流纹质凝灰角砾岩，厚215.34米。",
        "score": 0.014298131398989776
      },
      {
        "context": "灰绿色巨厚层状岩屑波屑凝灰岩41.74m",
        "score": 0.013903940270084719
      },
      {
        "context": "茅山组紫红色中薄层细粒长石石英砂岩夹紫红色粉砂质页岩，厚47.03米。",
        "score": 0.01358925433694533
      }
    ],
    "total_hits": 12
  },
  {
    "query_text": "大绀山组主要岩性为石英云母片岩、云母石英片岩、变质石英砂岩、变质长石石英砂岩、变质粉砂岩、石英岩、灰白色硅质岩、（锰质）灰岩、凝灰岩及黄铁矿层，底部以灰白色砾岩为标志与下伏云开群第二组呈平行不整合接触，顶部与上覆坝里组呈整合接触，厚度890~1508m。",
    "matched_texts": [
      {
        "context": "大冶组四段主要岩性下部为浅灰色块状含白云石微-细晶灰岩中部为浅灰色厚层状微晶灰岩，上部为浅灰色块状含砂屑微－细晶灰岩，顶部为浅灰色块状鲕粒灰岩。常见溶蚀构造缝合线构造，局部可见斜层理构造，顶部发育鸟眼构造晶洞构造。",
        "score": 0.0188974970245583
      },
      {
        "context": "蒲圻组出露于测区北东角王胜附近，岩性为紫红色泥质粉砂岩粉砂质泥岩夹黄绿色含钙质粉砂岩含铁质结核粉砂质泥岩，具交错层理及波痕构造，产瓣鳃类及植物化石碎片，为内陆湖相沉积。",
        "score": 0.01836549967352589
      },
      {
        "context": "灵乡组含有1.页岩2.泥质粉砂岩3.粉砂岩4.钙质粉砂岩5.细砂岩6.长石石英砂岩7.含砾凝灰质粗砂岩8.含砾砂岩9.砾岩10.灰岩11.泥质灰岩12.粉砂质灰岩13.泥灰岩14.层状角砾凝灰岩15.层状火山角砾岩16.安山岩17.安玄岩18.玄武岩19.流纹岩20.英安岩21.闪长岩22.透镜状砂砾岩23.气孔24.植物化石25.动物化石，厚度为409.99-947.03米，与下伏大寺组一段呈喷发不整合接触。",
        "score": 0.01783974735232185
      }
    ],
    "total_hits": 84
  },
  {
    "query_text": "云开群第二组于旺沙高垌一带为长石云母石英片岩夹中薄层状含十字石云母石英片岩。",
    "matched_texts": [
      {
        "context": "灰绿色中层状凝灰岩夹灰色薄层状白云石化含放射虫硅质岩29.45m",
        "score": 0.017954603641083814
      },
      {
        "context": "灰色薄层状中细粒长石石英砂岩与灰绿色粉砂质板岩互层242.67m",
        "score": 0.01750610290137825
      },
      {
        "context": "茅口组基本层序A灰岩B炭质灰岩，底部为浅灰色块状含燧石条带灰质条带（团块）碎裂含生物屑白云质灰泥岩。",
        "score": 0.017499091314771568
      }
    ],
    "total_hits": 18
  },
  {
    "query_text": "云开群第一组岩性主要为变质长石石英砂岩云母石英片岩与石英云母片岩石榴石石英云母片岩石英岩（硅质岩）不等厚互层，夹阳起石透闪透辉石岩阳起石绿帘石岩变质基性火山岩磁铁矿矽卡岩条带状磁铁矿层黄铁矿透镜体磷矿层及白云质大理岩（含锰质）大理岩等。",
    "matched_texts": [
      {
        "context": "灰色粉砂质板岩夹灰色薄层状细粒长石石英砂岩335.03m",
        "score": 0.01768010650796584
      },
      {
        "context": "砾岩岩组在格玛龙以东其岩性为紫红色中粒长石石英砂岩，硬砂质石英砂岩粗粉砂岩，其中夹有含角砾的砂岩及灰岩，岩石粒度较粗，产有植物化石和海相瓣鳃化石。",
        "score": 0.017299600836312795
      },
      {
        "context": "在龙玛能－纳日贡玛－众根涌－日阿吉卡一带则以熔岩为主，夹有火山角砾岩和碎屑岩及灰岩，岩性灰绿色安山岩安山玄武岩玄武岩中基性中酸性火山碎屑岩夹灰岩及砂岩粉砂岩，厚度约大于 2000m。",
        "score": 0.014746348008502731
      }
    ],
    "total_hits": 84
  },
  {
    "query_text": "黄褐色中—厚层状泥质粉砂岩与浅灰红色厚层状泥岩互层（未见底），132.31m",
    "matched_texts": [
      {
        "context": "灰色中薄层状灰泥岩夹灰色深灰色微层状泥质灰岩，具水平层理，可见缝合线构造，厚114.97米。",
        "score": 0.04415383301603268
      },
      {
        "context": "灰色薄层状中细粒长石石英砂岩与灰绿色粉砂质板岩互层242.67m",
        "score": 0.01816442342624691
      },
      {
        "context": "灰色厚层状中细粒长石砂岩夹灰色中层状中粒岩屑长石砂岩及少量深灰色薄层粉砂岩116.02m",
        "score": 0.01790288281596699
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    "query_text": "大岗顶组具水平层理交错层理纹层状构造。",
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        "context": "绿色灰黄色细粒石英砂岩，细粒砂状结构，具水平层理平行层理，单层厚1-8cm，铁质种类有褐铁矿和赤铁矿，含量4%。厚2.67米",
        "score": 0.024822991872000388
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        "context": "灰绿色灰黄色石英砂岩，中细粒砂状结构，具水平层理平行层理，单层厚1-5cm，夹少量黄绿色页岩，厚7.00米。",
        "score": 0.022935646169641923
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        "context": "灰绿色灰黄色细粒岩屑石英砂岩，细粒砂状结构，具水平层理平行层理，单层厚10-35cm。夹少量黄绿色页岩。厚10.69米，整合坟头组二段。",
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    "query_text": "调查区连滩组应属早志留统。",
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      {
        "context": "云台观组与下伏志留系茅山组平行不整合接触，厚度0-3.61米，区域上厚度变化大。",
        "score": 0.006782419855136719
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      {
        "context": "灰黄色粘质砂土角度不整合下伏地层大寺组。",
        "score": 0.00625888595917456
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      {
        "context": "火山岩组（3Bt2） 出露局限，呈窄条带状展布于日啊谷－扎茶也改等地，分别与上下伏地层整合接触，大部分断层接触，局部新近纪曲果组不整合其上，控制厚度大于 1033.81m。",
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    "query_text": "大绀山组上部由长石石英砂岩与绢云母页岩组成，其顶部见灰岩透镜体或钙质粉砂岩，其基本层序是由砂—粉砂—泥质组成的韵律沉积。",
    "matched_texts": [
      {
        "context": "灵乡组含有1.页岩2.泥质粉砂岩3.粉砂岩4.钙质粉砂岩5.细砂岩6.长石石英砂岩7.含砾凝灰质粗砂岩8.含砾砂岩9.砾岩10.灰岩11.泥质灰岩12.粉砂质灰岩13.泥灰岩14.层状角砾凝灰岩15.层状火山角砾岩16.安山岩17.安玄岩18.玄武岩19.流纹岩20.英安岩21.闪长岩22.透镜状砂砾岩23.气孔24.植物化石25.动物化石，厚度为409.99-947.03米，与下伏大寺组一段呈喷发不整合接触。",
        "score": 0.025234042315613044
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      {
        "context": "茅山组上部基本层序A厚层长石石英砂岩B粉砂质页岩",
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      {
        "context": "茅山组在毛铺一带下部为灰绿色中厚层状细粒岩屑石英砂岩夹黄绿色中薄层状泥质石英粉砂岩，上部为紫红色中薄层细粒长石石英砂岩夹粉砂质页岩，长石石英砂岩中夹灰黄色砂质条带，有黑色磁铁矿小斑点，断续分布。",
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    "query_text": "大绀山组上部：棕黄、浅灰绿、灰白色石英岩夹青灰、灰白、灰黑色薄层状绢云母千枚岩，顶部夹灰绿、灰黑色条带状石英岩。",
    "matched_texts": [
      {
        "context": "茅山组在毛铺一带下部为灰绿色中厚层状细粒岩屑石英砂岩夹黄绿色中薄层状泥质石英粉砂岩，上部为紫红色中薄层细粒长石石英砂岩夹粉砂质页岩，长石石英砂岩中夹灰黄色砂质条带，有黑色磁铁矿小斑点，断续分布。",
        "score": 0.022141032429007824
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      {
        "context": "大冶组四段下部基本层序，灰白色灰红色厚层－块状含砂屑白云岩夹浅灰色中厚层－块状白云岩；局部夹厚层状白云岩角砾岩等。",
        "score": 0.02210209335180121
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      {
        "context": "茅口组相邻大冶幅田家山一带，岩性单一，为浅灰－灰色厚层状含燧石结核灰岩结晶生物灰岩，中部夹燧石条带灰岩，上部夹含燧石结核白云质灰岩和白云岩透镜体。",
        "score": 0.02194863090659005
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    "query_text": "兰瓮组与下伏东冲组上覆泥盆纪地层及白垩纪红盆均为断层接触，厚度约1096m。",
    "matched_texts": [
      {
        "context": "火山岩组（3Bt2） 出露局限，呈窄条带状展布于日啊谷－扎茶也改等地，分别与上下伏地层整合接触，大部分断层接触，局部新近纪曲果组不整合其上，控制厚度大于 1033.81m。",
        "score": 0.012792349575312577
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      {
        "context": "结扎群区内不整合在下伏石炭纪杂多群二叠纪开心岭群尕笛考组之上，其上局部被第三纪地层覆盖，北侧与晚三叠世的巴塘群断层接触。",
        "score": 0.011452235200699828
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      {
        "context": "黄绿色紫红色薄-中厚层状粉砂岩夹泥质粉砂岩及粉砂质页岩，含瓣腮类化石碎片，厚39.57m。",
        "score": 0.011311802084888571
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    "query_text": "上覆地层信都组，浅黄色白色厚层块状细粒石英砂岩夹粉砂岩————————————整合————————————莲花山组，总厚度542m",
    "matched_texts": [
      {
        "context": "深灰色薄层状细粒长石石英砂岩与深灰色粉砂质板岩互层101.60m",
        "score": 0.036086600462563304
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      {
        "context": "茅山组紫红色中薄层细粒长石石英砂岩夹紫红色粉砂质页岩，厚47.03米。",
        "score": 0.03569844034485905
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      {
        "context": "紫红色中厚层状细粒长石岩屑砂岩夹灰色中厚层状粉砂岩120.76m",
        "score": 0.03568588784478033
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    "total_hits": 18
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    "query_text": "从以上岩相特征分析，连县组的沉积环境为碳酸盐台地潮上环境。",
    "matched_texts": [
      {
        "context": "综上所述三叠纪沉积环境属活动性陆缘带半深海相沉积环境。",
        "score": 0.015028828033020492
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      {
        "context": "波里拉组化石丰富，反映为浅海相的沉积环境。",
        "score": 0.014445385878894695
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      {
        "context": "结隆组原始定义指一套以灰色为主轻变质的滨海－浅海相碎屑岩－碳酸盐岩系。",
        "score": 0.014090053060221024
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  {
    "query_text": "砂岩局部见水平层理斜层理交错层理发育。",
    "matched_texts": [
      {
        "context": "A层发育水平层理正粒序层理；岩层层面发育波痕构造。",
        "score": 0.029277924955660492
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      {
        "context": "砂岩中可见交错层理斜层理及波痕构造发育。",
        "score": 0.02532626433954287
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      {
        "context": "灰绿色灰黄色石英砂岩，中细粒砂状结构，具水平层理平行层理，单层厚1-5cm，夹少量黄绿色页岩，厚7.00米。",
        "score": 0.024673233357469074
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    "query_text": "下部青灰灰白浅灰色薄—中厚层状石英岩和白云母石英岩夹青灰色绢云母千枚岩局部夹层间砾岩，90m—————平行不整合—————下伏地层云开群第二组，十字石石榴石石英二云母片岩与石榴石云母变粒岩云母主粒岩互层",
    "matched_texts": [
      {
        "context": "紫灰色绿黄色薄-中厚层粉砂岩夹绿黄色长石石英细砂岩，上部含少量大小2.56cm的菱铁矿结核。",
        "score": 0.02698684444865382
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      {
        "context": "灰色中－厚层状泥晶含生物碎屑砾灰岩夹少量灰色中层状菱铁矿化粉亮晶砂岩灰岩73.66m",
        "score": 0.02191673812312391
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      {
        "context": "灰色中－厚层状亮晶含生物碎屑砾屑灰岩夹灰色中层状细晶白云岩95.00m",
        "score": 0.019440555876848176
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    "total_hits": 48
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  {
    "query_text": "信都组的沉积环境为浅海陆棚相。",
    "matched_texts": [
      {
        "context": "栖霞组属浅海陆棚相沉积。",
        "score": 0.019118909869725878
      },
      {
        "context": "大隆组总体为半深海盆地－浅海陆棚相沉积。",
        "score": 0.016438710081991628
      },
      {
        "context": "大冶组二段上部由薄－中厚层藻团粒灰泥岩与中－厚层状灰泥岩组成，发育水平层理及块状层理，缝合线较发育，该层序总体向上单层增厚，颗粒变粗，为弱进积－加积型基本层序，为浅海陆棚相沉积。",
        "score": 0.014977353198010912
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    "query_text": "灰白色条带状硅质岩（微粒石英岩），具水平层理，17.9m",
    "matched_texts": [
      {
        "context": "浅灰色中薄层状含砂屑灰泥岩，具水平层理，厚15.94米。",
        "score": 0.038612015409220136
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      {
        "context": "灰色微层-薄层状夹中层状灰泥岩，具水平层理，厚1.71米。",
        "score": 0.03486399737413497
      },
      {
        "context": "紫红色中薄层状含铁钙质细粒石英砂岩，厚2.16米",
        "score": 0.033773783265651086
      }
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    "total_hits": 12
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    "query_text": "灰色中厚层状变斑状黑云红柱石角岩夹角岩化细中粒石英杂砂岩，具水平层理微层理，201m",
    "matched_texts": [
      {
        "context": "灰色中－厚层状泥晶含生物碎屑砾灰岩夹少量灰色中层状菱铁矿化粉亮晶砂岩灰岩73.66m",
        "score": 0.03616117729086784
      },
      {
        "context": "灰色薄层状中细粒长石石英砂岩与灰绿色粉砂质板岩互层242.67m",
        "score": 0.03518418129173394
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      {
        "context": "灰色中－厚层轻变质不等粒长石岩屑杂砂岩夹深灰色薄层板岩（向斜核部）140.98m",
        "score": 0.034722147256665725
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    "total_hits": 18
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    "query_text": "大绀山组下部青灰、灰白、浅灰色薄—中厚层状石英岩和白云母石英岩夹青灰 色绢云母千枚岩，局部夹层间砾岩，90m",
    "matched_texts": [
      {
        "context": "紫灰色绿黄色薄-中厚层粉砂岩夹绿黄色长石石英细砂岩，上部含少量大小2.56cm的菱铁矿结核。",
        "score": 0.031181382141788314
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      {
        "context": "灰色中薄层状灰泥岩夹灰色深灰色微层状泥质灰岩，具水平层理，可见缝合线构造，厚114.97米。",
        "score": 0.030526244204364113
      },
      {
        "context": "地层大隆组灰黑色中层状炭质粘土岩夹灰色浅灰色含白云石粘土岩。",
        "score": 0.018081111176099913
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    ],
    "total_hits": 30
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  {
    "query_text": "老虎塘组主要由原岩为细砂岩—粉砂岩—泥岩构成的基本层序叠置而成，夹硅质岩及炭质层，多为薄层状，水平层理水平纹层发育，硅质岩为浅色，呈薄层状或条带状夹于泥岩中，富含黄铁矿微晶，上述表明调查区老虎塘组应属深海—洋流沉积。",
    "matched_texts": [
      {
        "context": "黄绿色灰黄色含泥砂质石英粉砂岩，含泥砂质粉砂状结构，水平层理平行层理发育，单层厚度1-3cm，局部夹灰黄色厚层粉砂岩，层厚约35cm。厚24.43米",
        "score": 0.02060146171168233
      },
      {
        "context": "坟头组一段上部黄绿色灰黄色泥质石英粉砂岩夹粉砂质页岩，水平层理平行层理发育，纹层发育，单层厚1-12cm。",
        "score": 0.019727138421082417
      },
      {
        "context": "黄绿色灰黄色泥质石英粉砂岩，泥质粉砂状结构，水平层理平行层理发育，单层厚度1-5cm，厚23.89米。",
        "score": 0.018813223368488754
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    "total_hits": 60
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  {
    "query_text": "灰色中厚层状细粒杂砂岩夹浅灰色中薄层状泥岩，20.51m",
    "matched_texts": [
      {
        "context": "灰色厚层状中细粒长石砂岩夹灰色中层状中粒岩屑长石砂岩及少量深灰色薄层粉砂岩116.02m",
        "score": 0.05346936190509894
      },
      {
        "context": "灰色中薄层状灰泥岩夹灰色深灰色薄层状泥质灰岩，具水平层理，局部可见缝合线构造，厚45.00米。",
        "score": 0.051616632927538354
      },
      {
        "context": "灰绿色中层状中粒岩屑砂岩夹灰紫色中层状岩屑长石砂岩50.02m",
        "score": 0.023304692604824623
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    ],
    "total_hits": 6
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  {
    "query_text": "灰绿色绿帘石透闪石石英片岩和含磁铁矿透辉石石榴石矽卡岩24.0m",
    "matched_texts": [
      {
        "context": "灰色英安流纹质玻屑凝灰岩8.0m",
        "score": 0.018963786043954454
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      {
        "context": "灰绿色中层状凝灰岩夹灰色薄层状白云石化含放射虫硅质岩29.45m",
        "score": 0.01650148022578243
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      {
        "context": "灰绿色全绿泥石化阳起石化辉石岩（构造岩块）76.03m",
        "score": 0.015234602558100286
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  {
    "query_text": "含磁铁矿阳起石化透闪石岩和透辉石石榴石矽卡岩，18.0m",
    "matched_texts": [
      {
        "context": "灰色英安流纹质玻屑凝灰岩8.0m",
        "score": 0.016052244254922455
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      {
        "context": "灰绿色中层状凝灰岩夹灰色薄层状白云石化含放射虫硅质岩29.45m",
        "score": 0.015426772615877929
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      {
        "context": "灰绿色全绿泥石化阳起石化辉石岩（构造岩块）76.03m",
        "score": 0.015086320011565197
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    "total_hits": 6
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  {
    "query_text": "时代属晚震旦世的可能性较大，又在该组顶部硅质岩中获等时线年龄值为6123Ma，故调查区老虎塘组的时代应为晚震旦世，相应年代地层为上震旦统。",
    "matched_texts": [
      {
        "context": "该套地层与下部中二叠世开心岭群诺日巴尕日保组九十道班组呈角度不整合接触，其上被晚三叠世结扎群甲丕拉组角度不整合覆盖，其形成时间在晚二叠世至早三叠世，由于同位素测年未能成线，无法确定具体形成时间。",
        "score": 0.01088580732307075
      },
      {
        "context": "本次工作将马架山组其时代暂定为晚侏罗世晚期。",
        "score": 0.009351162506484252
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      {
        "context": "区域上在西昆仑地区 1∶25 万区域地质调查发现晚二叠世地层角度不整合在中二叠世地层之上至少说明测区早中二叠世开心岭群与晚二叠世－早三叠世火山岩组之间的角度不整合在区域上还是有分布未见大面积出露。",
        "score": 0.009273558295703487
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  {
    "query_text": "灰绿色薄层状片理化云母微片岩夹透闪石绿帘石角岩，135.3m",
    "matched_texts": [
      {
        "context": "灰色中厚层状含白云质微晶灰岩，微晶结构，块状构造，刀砍纹发育，纹层极发育。",
        "score": 0.02590660364212788
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      {
        "context": "灰色中－厚层轻变质不等粒长石岩屑杂砂岩夹深灰色薄层板岩（向斜核部）140.98m",
        "score": 0.012219727618064896
      },
      {
        "context": "紫红色中厚层状细粒长石岩屑砂岩夹灰色中厚层状粉砂岩120.76m",
        "score": 0.012052573318932136
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    "query_text": "灰色薄层状变质粉砂岩夹灰黑色薄层状千枚岩，82.07m",
    "matched_texts": [
      {
        "context": "深灰色薄层状细粒长石石英砂岩与深灰色粉砂质板岩互层101.60m",
        "score": 0.04143165079154598
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      {
        "context": "灰色厚层状生物屑灰岩夹黑色薄层状透镜状炭质页岩，厚13.05米。",
        "score": 0.04082799162021919
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      {
        "context": "紫红色中厚层状细粒长石岩屑砂岩夹灰色中厚层状粉砂岩120.76m",
        "score": 0.031006019872694485
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    "query_text": "深灰色微—薄层状含粉砂质条带泥岩夹粉砂质泥岩，水平层理及条带状构造发育，含笔石Petalolihus hispanicus（Haberfelmer），Spirograptus sp.，S. minor Bouce，Streptograptus sp.，488m",
    "matched_texts": [
      {
        "context": "黄绿色紫红色薄-中厚层状粉砂岩夹泥质粉砂岩及粉砂质页岩，含瓣腮类化石碎片，厚39.57m。",
        "score": 0.0381382686822872
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      {
        "context": "浅灰色中厚层状灰泥岩，具水平层理，岩石发育缝合线构造，厚35.67米。",
        "score": 0.03582697423583203
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      {
        "context": "灰色中薄层状含生物屑白云质灰泥岩夹黑色薄层状含炭生物屑灰泥岩，厚3.07米，含Hinganotrypa sichuanensis （Yang et Hsia）。",
        "score": 0.03524704353025473
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    "query_text": "大绀山组中部灰绿、灰黑色薄层状石英二云母片岩、二云母石英片岩和绢云母石英片岩夹灰白色薄层状白云母片状石英岩。",
    "matched_texts": [
      {
        "context": "云台观组紫红色中薄层状含铁钙质细粒石英砂岩褐黄色厚层状含铁钙质细粒石英砂岩夹黄褐色紫红色泥质粉砂岩含粉砂粘土质页岩灰白色铝土质页岩。",
        "score": 0.026129476588140882
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      {
        "context": "大冶组一段浅灰色中薄层状微晶灰岩，具水平层理，局部可见缝合线构造；下部为黄绿色泥质页岩夹灰色薄层状泥质微晶灰岩，岩石中含泥质条带，厚1-3mm。",
        "score": 0.025755716445816455
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      {
        "context": "大冶组四段下部基本层序，灰白色灰红色厚层－块状含砂屑白云岩夹浅灰色中厚层－块状白云岩；局部夹厚层状白云岩角砾岩等。",
        "score": 0.023278129352816784
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    "query_text": "阳春县调查区大部属云开大山、云雾山山脉，它们构成总体上呈北西－南东走向的中低山地势，平均海拔1000m左右，最高峰称大田顶，高程1704m。",
    "matched_texts": [
      {
        "context": "根据剖面和路线资料，甲丕拉组岩性在区内横向岩性变化不大，空间上受断层围限，呈断块体产于断裂带中，总体呈南西－北东向的单斜产出，岩层产状 50－60°，而在纳日贡玛东南一带，总体呈南西－北东向的向斜产出，岩层产状 20－40°，地貌上灰岩漂浮在山顶之上。",
        "score": 0.015122550433213738
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      {
        "context": "甲丕拉组在区内分布于口前曲上游－昂欠涌曲－子切曲格群涌－雅可－宗根阿尼托吉涌－东角涌扎格涌－子曲巴彦涌莫海－巴俄卡查纪永池－比唐普巴等地，呈北西向－北西西向短带状展布。",
        "score": 0.012948581175458747
      },
      {
        "context": "尕笛考组成带分布于测区龙玛能纳日贡玛及子曲一带，分布面积 330m2，控制最大厚度1614.37m。",
        "score": 0.010684168426616158
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    "query_text": "老虎塘组在调查区有石咀—麻山实测剖面控制，下部为灰白色石英岩与灰黑色薄层含炭质千枚岩互层；上部为石英岩夹千枚岩，底部以大套石英岩的出现为标志，与下伏坝里组整合接触，未见顶。",
    "matched_texts": [
      {
        "context": "梁山组深灰色中薄层状含生物屑灰泥岩与黑色炭质页岩互层。生物屑形态各异，成份为钙质，种类有有孔虫类瓣腮类介形虫。",
        "score": 0.02498473623082212
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      {
        "context": "新滩组灰黄－黄绿色水云母页岩灰黄色灰绿色含粉砂质水云母页岩与含铁泥质石英粉砂岩互层产出，局部夹灰黄色粉砂质粘土岩。",
        "score": 0.018190203031321173
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      {
        "context": "茅山组在蔡华生一带为灰黄色细粒石英砂岩与黄绿色灰黄色泥质石英粉砂岩互层产出，富含铁质矿物，有褐铁矿赤铁矿磁铁矿白钛矿等。",
        "score": 0.0176425697813309
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    "total_hits": 42
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    "query_text": "泥盆纪地层分布于广东恩平阳春新兴罗定及广西归义镇等地，分属桂东南分区云开分区和东江分区。",
    "matched_texts": [
      {
        "context": "巴颜喀拉山群巴塘群和结隆组结扎群分属巴颜喀拉山地层分区西金乌兰－金沙江地层分区羌北－昌都地层分区。",
        "score": 0.008642460982057773
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      {
        "context": "结扎群区内不整合在下伏石炭纪杂多群二叠纪开心岭群尕笛考组之上，其上局部被第三纪地层覆盖，北侧与晚三叠世的巴塘群断层接触。",
        "score": 0.008580965513123694
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      {
        "context": "大冶组一段与下伏二叠纪大隆组整合接触，以黄绿色泥质页岩的出现作为分界标志，厚28.51-55米。",
        "score": 0.008348318613651226
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    "total_hits": 24
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  {
    "query_text": "云开群第二组广泛分布于罗定—信宜—阳春一带，约697.28m2，占调查区总面积的4.12%，岩性为灰灰黑灰绿色变质粉砂岩变质长石石英砂岩云母石英片岩石英云母片岩绢云千枚岩，夹多层灰黑色炭质石英绢云母千枚岩硅质岩含锰石英片岩。",
    "matched_texts": [
      {
        "context": "茅山组顶部基本层序A厚层块状长石石英砂岩B粉砂质页岩",
        "score": 0.020817354995842786
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      {
        "context": "灵乡组含有1.页岩2.泥质粉砂岩3.粉砂岩4.钙质粉砂岩5.细砂岩6.长石石英砂岩7.含砾凝灰质粗砂岩8.含砾砂岩9.砾岩10.灰岩11.泥质灰岩12.粉砂质灰岩13.泥灰岩14.层状角砾凝灰岩15.层状火山角砾岩16.安山岩17.安玄岩18.玄武岩19.流纹岩20.英安岩21.闪长岩22.透镜状砂砾岩23.气孔24.植物化石25.动物化石，厚度为409.99-947.03米，与下伏大寺组一段呈喷发不整合接触。",
        "score": 0.020524486825193606
      },
      {
        "context": "茅山组在蔡华生一带为灰黄色细粒石英砂岩与黄绿色灰黄色泥质石英粉砂岩互层产出，富含铁质矿物，有褐铁矿赤铁矿磁铁矿白钛矿等。",
        "score": 0.01947813888308911
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  {
    "query_text": "大绀山组下部灰色棕黄色片状石英岩，灰白色云母石英岩及青灰色薄层绢云母千枚岩，>115m上部灰色十字石二云母片岩、云母石英片岩。下部浅灰色黄铁矿化透辉石黑云母钾长石岩（原岩含钙质）、变斑状斜长石二云母片岩，>75m",
    "matched_texts": [
      {
        "context": "灰绿色灰黄色细粒岩屑石英砂岩，细粒砂状结构，具水平层理平行层理，单层厚10-35cm。夹少量黄绿色页岩。厚10.69米，整合坟头组二段。",
        "score": 0.023793331016421903
      },
      {
        "context": "茅山组在蔡华生一带为灰黄色细粒石英砂岩与黄绿色灰黄色泥质石英粉砂岩互层产出，富含铁质矿物，有褐铁矿赤铁矿磁铁矿白钛矿等。",
        "score": 0.020794311248137493
      },
      {
        "context": "灰色中层状细粒长石石英砂岩夹少量灰－深灰色粉砂质板岩198.71m",
        "score": 0.019396752014822227
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    "total_hits": 54
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  {
    "query_text": "黄褐色变质长石石英砂岩闪灰黑色石英云母片岩，52.4m",
    "matched_texts": [
      {
        "context": "深灰色薄层绿泥石化片岩云母石英片岩12.21m",
        "score": 0.03335596985004294
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      {
        "context": "灰色粉砂质板岩夹灰色薄层状细粒长石石英砂岩335.03m",
        "score": 0.033167066139794005
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      {
        "context": "灰色中层状细粒长石石英砂岩夹少量灰－深灰色粉砂质板岩198.71m",
        "score": 0.030677342915009936
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    ],
    "total_hits": 6
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  {
    "query_text": "片理化云母长石石英岩夹风化紫红色纹层状石英云母片岩，132.0m",
    "matched_texts": [
      {
        "context": "深灰色薄层绿泥石化片岩云母石英片岩12.21m",
        "score": 0.03276238125161535
      },
      {
        "context": "灰色粉砂质板岩夹灰色薄层状细粒长石石英砂岩335.03m",
        "score": 0.025679792934726282
      },
      {
        "context": "灰绿色中层状凝灰岩夹灰色薄层状白云石化含放射虫硅质岩29.45m",
        "score": 0.02296049994162303
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    ],
    "total_hits": 6
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  {
    "query_text": "灰黄—灰红色细粒变质砂岩偶夹少量灰绿色板岩，16.24m",
    "matched_texts": [
      {
        "context": "灰色中层状细粒长石石英砂岩夹少量灰－深灰色粉砂质板岩198.71m",
        "score": 0.03391829224379653
      },
      {
        "context": "灰绿色中层状中粒岩屑砂岩夹灰紫色中层状岩屑长石砂岩50.02m",
        "score": 0.02957203886474163
      },
      {
        "context": "紫红色褐色粉砂质灰岩夹紫红色含砾粉砂岩，厚20.06米。",
        "score": 0.029543154221724897
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    ],
    "total_hits": 6
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  {
    "query_text": "奥陶纪的沉积环境出现分异，东江地层分区的奥陶纪地层称新厂组虎山组。",
    "matched_texts": [
      {
        "context": "区域上在西昆仑地区 1∶25 万区域地质调查发现晚二叠世地层角度不整合在中二叠世地层之上至少说明测区早中二叠世开心岭群与晚二叠世－早三叠世火山岩组之间的角度不整合在区域上还是有分布未见大面积出露。",
        "score": 0.011124241665057995
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      {
        "context": "巴颜喀拉山群巴塘群和结隆组结扎群分属巴颜喀拉山地层分区西金乌兰－金沙江地层分区羌北－昌都地层分区。",
        "score": 0.010063443179075114
      },
      {
        "context": "湖北省通山县蔡华生（PM016）志留系新滩组－石炭系黄龙组地层剖面",
        "score": 0.009724616593161251
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    "total_hits": 18
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  {
    "query_text": "灰白灰绿色薄层状云母石英岩夹云母片岩，水平层理发育，502.2m",
    "matched_texts": [
      {
        "context": "灰黄色粉砂质粘土岩，粉砂状泥质结构，薄层状构造，单层厚度1-5cm。水平层理发育。具球状风化。厚9.27米",
        "score": 0.04627438949152788
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      {
        "context": "灰绿色中层状凝灰岩夹灰色薄层状白云石化含放射虫硅质岩29.45m",
        "score": 0.03343061996058374
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      {
        "context": "灰白色灰红色中薄层状白云岩，具水平层理，发育缝合线构造，厚1.10米。",
        "score": 0.031229059283915516
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    "total_hits": 12
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  {
    "query_text": "灰绿色片理化变质粉砂岩夹浅紫红色千枚岩，77.25m",
    "matched_texts": [
      {
        "context": "浅灰绿色片理化凝灰岩134.14m",
        "score": 0.030585506210172447
      },
      {
        "context": "浅紫色紫红色含角砾石泡流纹岩，厚11.82米。",
        "score": 0.02732298930663266
      },
      {
        "context": "浅灰绿-灰紫色流纹质角砾集块岩，集块结构，块状构造，厚14.97米。",
        "score": 0.026224257698468853
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    "total_hits": 6
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  {
    "query_text": "黄白黄褐银灰色皱纹状云母石英片岩石英云母片岩黑云母片岩互层，146.3m",
    "matched_texts": [
      {
        "context": "深灰色薄层绿泥石化片岩云母石英片岩12.21m",
        "score": 0.024013432073867247
      },
      {
        "context": "灰黄色黄绿色纹层状泥质石英粉砂岩夹含铁砂质石英粉砂岩，夹层厚2-10cm不等，岩石含少量黄铁矿，铁质矿物含量8%，厚8.77米",
        "score": 0.022892421234383415
      },
      {
        "context": "深灰色薄层状中粗粒岩屑长石砂岩126.86m",
        "score": 0.012353246761080336
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    ],
    "total_hits": 6
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  {
    "query_text": "坝里组主要由原岩为细砂岩—粉砂岩—泥岩构成的基本层序叠置而成，局部夹硅质岩。",
    "matched_texts": [
      {
        "context": "靠近俯冲带一侧地层中岩层厚度为中－厚层状，砂岩单层厚 5－50cm，粉砂岩泥质板岩单层厚2－100cm，变形较强，发育轴面南西倾斜的紧闭褶皱。",
        "score": 0.018991971605936006
      },
      {
        "context": "岩石粒度较细，主要为粉砂岩泥岩，灰岩夹层增多，砾岩偶尔可见。",
        "score": 0.014731367961832657
      },
      {
        "context": "茅山组粉砂岩中交错层理，该组下部岩性简单，为含砂质泥质石英粉砂岩与细粒石英砂岩，组成加积型基本层序，岩性横向变化不大。为陆棚边缘盆地相沉积。",
        "score": 0.014716195202461082
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    "total_hits": 24
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  {
    "query_text": "灰—灰白色板岩夹灰紫色片理化变质粉砂岩及变质细砂岩，41.57m",
    "matched_texts": [
      {
        "context": "深灰色薄层状细粒长石石英砂岩与深灰色粉砂质板岩互层101.60m",
        "score": 0.0361916210372357
      },
      {
        "context": "灰色中－厚层状细粒岩屑长石砂岩夹灰色薄层钙质粉砂岩及粉砂质板岩231.03m",
        "score": 0.03616247177910742
      },
      {
        "context": "灰色中层状细粒长石石英砂岩夹少量灰－深灰色粉砂质板岩198.71m",
        "score": 0.03613475159219163
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    "total_hits": 6
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  {
    "query_text": "厚层状片理化云母石英岩，中部为厚70.4m的紫红色蚀变绿帘石透闪石岩，156.7m",
    "matched_texts": [
      {
        "context": "浅灰色厚层白云石化鲕粒灰岩，鲕状结构，块状构造，局部可见鸟眼构造斜层理构造，具水平层理，单层厚度>45cm，厚21.62米。",
        "score": 0.021493765189568848
      },
      {
        "context": "灰色灰岩夹粉砂质板岩（断层破坏下部地层出露不全）46.7m ",
        "score": 0.0187229077644815
      },
      {
        "context": "浅紫色紫红色含角砾石泡流纹岩，厚11.82米。",
        "score": 0.017474370115030183
      }
    ],
    "total_hits": 12
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  {
    "query_text": "黑色页岩，1.0m",
    "matched_texts": [
      {
        "context": "灰色英安流纹质玻屑凝灰岩8.0m",
        "score": 0.016830247706597544
      },
      {
        "context": "灰色玄武安山岩78.0m",
        "score": 0.016390114537104497
      },
      {
        "context": "紫红色页岩层厚2-5m，反映当时炎热干旱的气候条件。",
        "score": 0.01360889038308333
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    ],
    "total_hits": 6
  },
  {
    "query_text": "云开群第一组岩性主要为变质长石石英砂岩、云母石英片岩与石英云母片岩、石榴石石英云母片岩、石英岩（硅质岩）不等厚互层，夹阳起石透闪透辉石岩、阳起石绿帘石岩、变质基性火山岩、磁铁矿矽卡岩、条带状磁铁矿层、黄铁矿透镜体磷矿层及白云质大理岩（含锰质）大理岩等。",
    "matched_texts": [
      {
        "context": "深灰色薄－中层状中细粒长石石英砂岩与深灰色粉砂质板岩互层448.97m",
        "score": 0.019091432393443845
      },
      {
        "context": "茅山组顶部基本层序A厚层块状长石石英砂岩B粉砂质页岩",
        "score": 0.018970853762234726
      },
      {
        "context": "灰色粉砂质板岩夹灰色薄层状细粒长石石英砂岩335.03m",
        "score": 0.018886617255580218
      }
    ],
    "total_hits": 78
  },
  {
    "query_text": "灰黑色含炭质石英云母片岩夹长石云母石英片岩，139.3m",
    "matched_texts": [
      {
        "context": "深灰色薄层绿泥石化片岩云母石英片岩12.21m",
        "score": 0.030786923074032177
      },
      {
        "context": "灰色粉砂质板岩夹灰色薄层状细粒长石石英砂岩335.03m",
        "score": 0.024248788365347277
      },
      {
        "context": "灰绿色中层状凝灰岩夹灰色薄层状白云石化含放射虫硅质岩29.45m",
        "score": 0.02398270388006306
      }
    ],
    "total_hits": 6
  },
  {
    "query_text": "罗定扶合—湘垌一带，以石英绢云千枚岩、石英云母片岩、变质粉砂岩为主夹绿帘石英岩、石榴石岩、铁锰质层及含铁绿泥石岩。",
    "matched_texts": [
      {
        "context": "深灰色薄层状细粒长石石英砂岩与深灰色粉砂质板岩互层101.60m",
        "score": 0.01594997137275112
      },
      {
        "context": "灰色中厚层状细粒长石石英砂岩与深灰色粉砂质板岩互层（向斜核部）未见顶47.09m",
        "score": 0.015816187023708593
      },
      {
        "context": "本组浊积岩为典型的海陆源碎屑浊流沉积，岩石结构多为不等粒细中粒等，成分复杂，以石英斜长石为主，少量钾长石，岩屑包括变砂岩千枚岩板岩酸性熔岩中基性熔岩灰岩和绢云石英片岩，偶见电气石锆石磷灰石，不透明矿物，其物源区显示陆缘造山带的岩石组合。",
        "score": 0.01511041614075026
      }
    ],
    "total_hits": 42
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  {
    "query_text": "调查区连滩组出露于岑溪归义镇之北黄坡—蓝田冲郁南连滩以北等地，21.48m2，占调查区总面积的0.13%。",
    "matched_texts": [
      {
        "context": "测区志留系主要分布于南部孙鉴铺－团林湾毛家铺一带，出露面积约141.28m2，占图幅总面积的15.85%，地层走向北西西向，构成背斜核部地层，厚度较大。",
        "score": 0.013176789259436938
      },
      {
        "context": "更新统广泛分布于测区梁子湖－金牛镇以西的垅岗地带，面积为185.725Km2，占测区总面积20.84%。",
        "score": 0.012547134276236615
      },
      {
        "context": "测区东邻殷祖幅青山水库厚268m。",
        "score": 0.011690988701648416
      }
    ],
    "total_hits": 18
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  {
    "query_text": "东江地层分区水石组灰色变质砂岩为主夹条带状砂质千枚岩，厚度>910m，其下与高滩组呈整合接触。",
    "matched_texts": [
      {
        "context": "高水位体系域为新滩组上部条带状粉砂质页岩夹细砂岩，由于海水快速进退，未形成特征明显的饥饿段沉积。",
        "score": 0.02188837317111213
      },
      {
        "context": "茅山组（S3m）灰黄色细粒石英砂岩，细粒砂状结构，块状构造，具平行层理，单层厚 30cm。铁质矿物含量4%，厚45.52米。",
        "score": 0.01770896961094229
      },
      {
        "context": "灰色厚层状生物屑灰岩夹黑色薄层状透镜状炭质页岩，厚13.05米。",
        "score": 0.017143353036705666
      }
    ],
    "total_hits": 30
  },
  {
    "query_text": "冲花白云岩中发现了珊瑚化石Pseudouralinia cf. tangpaouensis Yü，Cystophrentis sp.，Syringopora gracilis，Keyserlingophyllum，Hapsiphyllumsp.。",
    "matched_texts": [
      {
        "context": "邻区鄂城程潮大王冲采获Permophorus Sp.，瓣腮 Entolium discites，Pteria sp.，Mytilus ex.gr.deuliformis等。",
        "score": 0.028242889017935157
      },
      {
        "context": "暗灰色页岩粉砂岩夹石英砂岩煤层炭质页岩，产植物化石Hyrcanopteris  sevanensis Kryshtofovich et Prynada，Hyrcanopteris  cf. sinensis Li et  saoPterophyIIum cf.jaegeri Brongniart，Otozamites sp.，Clathropteris  meniscioides Brongniart 51.25m",
        "score": 0.016287463971136538
      },
      {
        "context": "测区在达龙砂岩（chd）中获得双壳化石（Ⅷ003ZDH15-1）Posidonia gemmellaroi（Lorenzo）格玛海螂蛤；（Ⅷ003ZDH201-1） Minetrigonia qinghaiensis Ching et Lu 青海美三角蛤Placunopsis sp.拟窗蛤Pleuromya sp.胁海螂蛤。",
        "score": 0.01603004753355732
      }
    ],
    "total_hits": 30
  },
  {
    "query_text": "东岗岭组主要分布于广西的绿云孔杰及罗定市的罗镜镇—分界镇新榕镇等地，出露面积约26.54m2，占总面积0.16%。",
    "matched_texts": [
      {
        "context": "二叠系分布于测区南部蔡家脑向斜毛百市向斜及猪风岭向斜两翼以及铜鼓山岩体北东侧亦有分布，出露面积约56.65m2，占图幅总面积的6.36%。",
        "score": 0.031294106271081326
      },
      {
        "context": "泥盆系仅出露上泥盆统云台观组，出露面积约2.15m2，占图幅总面积的0.24%。",
        "score": 0.014649834944581951
      },
      {
        "context": "测区志留系主要分布于南部孙鉴铺－团林湾毛家铺一带，出露面积约141.28m2，占图幅总面积的15.85%，地层走向北西西向，构成背斜核部地层，厚度较大。",
        "score": 0.01407482702287211
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    ],
    "total_hits": 18
  },
  {
    "query_text": "合浦组含锰质及晶体完好的黄铁矿，且含有丰富的笔石海百合及腕足类等海相化石。",
    "matched_texts": [
      {
        "context": "灰黄色黄绿色纹层状泥质石英粉砂岩夹含铁砂质石英粉砂岩，夹层厚2-10cm不等，岩石含少量黄铁矿，铁质矿物含量8%，厚8.77米",
        "score": 0.012868954472067717
      },
      {
        "context": "赋予尕笛考组新的涵义分布于唐古拉山北坡位于甲丕拉组之下地层体，由灰绿色紫红色及杂色火山碎屑岩火山岩夹灰岩及碎屑岩组成，含蜓及腕足类化石，未见底，其顶有时被甲丕拉组不整合覆盖。",
        "score": 0.011517232265121288
      },
      {
        "context": "灰岩中多见有硅质条带或结核，其中有大量的虫筳化石和海百合碎片",
        "score": 0.010775094563226898
      }
    ],
    "total_hits": 24
  },
  {
    "query_text": "寒武—志留纪地层分布广泛，主要见于开平、台山、阳春、罗定、郁南及岑溪等地。",
    "matched_texts": [
      {
        "context": "浅灰绿色片理化凝灰岩夹灰绿色片理化玄武安山岩   断层   早中二叠世俄巴达动灰岩（P1-2ca）",
        "score": 0.011350739960481287
      },
      {
        "context": "马架山组喷发不整合于侏罗纪灵乡岩体之上。",
        "score": 0.010905152990963179
      },
      {
        "context": "早中二叠世九十道班组灰色灰岩 断层 巴贡组 厚度2234.26m ",
        "score": 0.010518166048869926
      }
    ],
    "total_hits": 6
  },
  {
    "query_text": "大岗顶组为深色的含粉砂质泥岩夹细砂岩组合，微—薄层状，水平层理条带状构造纹层构造等非常发育，局部见有晶型完好的黄铁矿，含浮游型的笔石动物群，反映了半深海相复理石建造特征。",
    "matched_texts": [
      {
        "context": "新滩组岩石具泥质结构含粉砂泥质结构泥质粉砂结构，水平层理平行层理发育，纹层发育，局部见波痕。",
        "score": 0.022141572816570504
      },
      {
        "context": "黄绿色灰黄色含泥砂质石英粉砂岩，含泥砂质粉砂状结构，水平层理平行层理发育，单层厚度1-3cm，局部夹灰黄色厚层粉砂岩，层厚约35cm。厚24.43米",
        "score": 0.02207310199395866
      },
      {
        "context": "高水位体系域为新滩组上部条带状粉砂质页岩夹细砂岩，由于海水快速进退，未形成特征明显的饥饿段沉积。",
        "score": 0.021946378115908664
      }
    ],
    "total_hits": 48
  },
  {
    "query_text": "浅灰色变粒岩，42.2m",
    "matched_texts": [
      {
        "context": "浅灰绿色片理化凝灰岩134.14m",
        "score": 0.021687994164997663
      },
      {
        "context": "灰绿色细粒辉长岩(构造岩块)11.24m",
        "score": 0.019925598249091566
      },
      {
        "context": "浅灰色厚层状灰岩18.44m",
        "score": 0.019855828915565917
      }
    ],
    "total_hits": 6
  },
  {
    "query_text": "变质粗玄武玢岩，具变余气孔和杏仁构造，0.8m",
    "matched_texts": [
      {
        "context": "灰绿色蚀变粗玄武岩139.63m",
        "score": 0.01550219631794452
      },
      {
        "context": "灰色灰岩夹粉砂质板岩（断层破坏下部地层出露不全）46.7m ",
        "score": 0.014084815796588575
      },
      {
        "context": "灰紫色英安质-安山质火山角砾岩，火山角砾结构，块状构造。",
        "score": 0.01405830627612765
      }
    ],
    "total_hits": 6
  },
  {
    "query_text": "浅灰色石英粉砂质绢云母千枚岩夹黑色含炭质千枚岩，33.6m",
    "matched_texts": [
      {
        "context": "灰绿色中层状凝灰岩夹灰色薄层状白云石化含放射虫硅质岩29.45m",
        "score": 0.027467215401858803
      },
      {
        "context": "灰色中层状细粒长石石英砂岩夹少量灰－深灰色粉砂质板岩198.71m",
        "score": 0.027299233312929168
      },
      {
        "context": "灰色粉砂质板岩夹灰色薄层状细粒长石石英砂岩335.03m",
        "score": 0.0263604553750968
      }
    ],
    "total_hits": 6
  },
  {
    "query_text": "浮土，244.4m",
    "matched_texts": [
      {
        "context": "深灰色薄层状中粗粒岩屑长石砂岩126.86m",
        "score": 0.008875254837200773
      },
      {
        "context": "浅灰绿色片理化凝灰岩134.14m",
        "score": 0.008470220813678084
      },
      {
        "context": "灰色绿泥绢云片岩（构造岩块）149.01m",
        "score": 0.007090694690227018
      }
    ],
    "total_hits": 6
  },
  {
    "query_text": "春湾组分布于台山那扶恩平沙湖阳春卫国合水—春湾的东面，石菉—潭水的西侧新兴天堂等地，出露面积约 301.06m2，占总面积1.78%。",
    "matched_texts": [
      {
        "context": "测区志留系主要分布于南部孙鉴铺－团林湾毛家铺一带，出露面积约141.28m2，占图幅总面积的15.85%，地层走向北西西向，构成背斜核部地层，厚度较大。",
        "score": 0.025568005037446304
      },
      {
        "context": "二叠系分布于测区南部蔡家脑向斜毛百市向斜及猪风岭向斜两翼以及铜鼓山岩体北东侧亦有分布，出露面积约56.65m2，占图幅总面积的6.36%。",
        "score": 0.02082229080624977
      },
      {
        "context": "更新统广泛分布于测区梁子湖－金牛镇以西的垅岗地带，面积为185.725Km2，占测区总面积20.84%。",
        "score": 0.014007141657441918
      }
    ],
    "total_hits": 18
  },
  {
    "query_text": "上覆地层桂头群，灰白—灰红色巨厚状复成分砾岩，不整合，虎山组，总厚度645.22m",
    "matched_texts": [
      {
        "context": "茅口组下部为灰色深灰色厚层状含燧石结核碎裂生物屑灰岩，局部含白云质灰岩不规则团块。",
        "score": 0.022904710553498468
      },
      {
        "context": "紫灰色绿黄色薄-中厚层粉砂岩夹绿黄色长石石英细砂岩，上部含少量大小2.56cm的菱铁矿结核。",
        "score": 0.02273121815583905
      },
      {
        "context": "茅口组相邻大冶幅田家山一带，岩性单一，为浅灰－灰色厚层状含燧石结核灰岩结晶生物灰岩，中部夹燧石条带灰岩，上部夹含燧石结核白云质灰岩和白云岩透镜体。",
        "score": 0.022301546783573743
      }
    ],
    "total_hits": 18
  },
  {
    "query_text": "罗东组（O2l）指整合于罗洪组之上的一套灰白色厚层状白云质细晶灰岩砂屑灰岩。",
    "matched_texts": [
      {
        "context": "云台观组底部为紫红色浅肉红色中层状白云质砂质砾岩。",
        "score": 0.02602182289746502
      },
      {
        "context": "上覆地层大浦组，灰白色块状微晶白云岩。",
        "score": 0.025465035312841937
      },
      {
        "context": "嘉陵江组三段，下部肉红色厚层白云岩角砾岩，上部浅灰色厚层块状纹层状细－微晶白云岩夹紫红色薄层灰泥岩。",
        "score": 0.024605209459279347
      }
    ],
    "total_hits": 18
  },
  {
    "query_text": "合浦组与下伏连滩组及上覆防城组均为整合接触，分别以石英（杂）砂岩或硅质泥岩碳酸盐岩或泥岩夹灰岩透镜体的出现作为底部顶部的分界标志，厚度>343m。",
    "matched_texts": [
      {
        "context": "茅口组相邻大冶幅田家山一带，岩性单一，为浅灰－灰色厚层状含燧石结核灰岩结晶生物灰岩，中部夹燧石条带灰岩，上部夹含燧石结核白云质灰岩和白云岩透镜体。",
        "score": 0.019902336245348772
      },
      {
        "context": "甲丕拉组岩性组合为灰紫色厚层中细粒岩屑石英砂岩岩屑长石砂岩夹巨厚层复成分砾岩含砾粗砂岩长石石英砂岩泥质粉砂岩及微晶灰岩透镜，局部夹中基性火山角砾岩",
        "score": 0.017633028996587394
      },
      {
        "context": "青海省岩石地层保留结扎群名称，时代下延至中三叠世，并定义为指分布于唐古拉－昌都地区，超覆于古生代地层或早中三叠世地层之上，整合于察雅群或不整合于雁石坪群等新地层之下的，由碎屑岩和碳酸盐岩夹少量火山岩组成的地层，上部含煤，富含双壳类腕足类头足类和植物等化石。",
        "score": 0.016416889185371743
      }
    ],
    "total_hits": 48
  },
  {
    "query_text": "调查区大绀山组为细砂岩、粉砂岩、泥岩为主，夹黑色炭质层、海相火山岩、黄铁矿层、硅质岩及（含磷）碳酸盐岩透镜体，条带状构造、水平纹层发育，所含的微古植物以纹饰结构简单的球藻类占绝对优势，上述表明调查区大绀山组属气候比较温暖的半深海相沉积环境。",
    "matched_texts": [
      {
        "context": "综上所述三叠纪沉积环境属活动性陆缘带半深海相沉积环境。",
        "score": 0.01932079743690471
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      {
        "context": "巴颜喀拉山群砂岩组岩石总体呈灰－灰绿色，岩石粒度较细，发育完整的鲍马序列，发育冲刷印模构造，平行层理，具明显的远洋浊积岩沉积特征反映出半深海－深海相沉积环境，同时在沉积过程中，有微弱的中酸性火山喷发活动。",
        "score": 0.018355227540011322
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      {
        "context": "大隆组总体为半深海盆地－浅海陆棚相沉积。",
        "score": 0.01668785879081012
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  {
    "query_text": "云开群第一组是指云开群下部的一个组，广泛分布于罗定—信宜—阳春一带，出露面积较大，约924.27m2，占调查区总面积的5.46%。",
    "matched_texts": [
      {
        "context": "测区志留系主要分布于南部孙鉴铺－团林湾毛家铺一带，出露面积约141.28m2，占图幅总面积的15.85%，地层走向北西西向，构成背斜核部地层，厚度较大。",
        "score": 0.020404886107149783
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      {
        "context": "二叠系分布于测区南部蔡家脑向斜毛百市向斜及猪风岭向斜两翼以及铜鼓山岩体北东侧亦有分布，出露面积约56.65m2，占图幅总面积的6.36%。",
        "score": 0.018900006690676197
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      {
        "context": "火山岩组（3Bt2） 出露局限，呈窄条带状展布于日啊谷－扎茶也改等地，分别与上下伏地层整合接触，大部分断层接触，局部新近纪曲果组不整合其上，控制厚度大于 1033.81m。",
        "score": 0.014681758392372547
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  {
    "query_text": "深灰色薄层状含生物硅质岩，含竹节石entaculita，46m。",
    "matched_texts": [
      {
        "context": "深灰色中薄层状含生物屑灰泥岩与黑色炭质页岩互层，厚3.73米，生物屑形态各异，成份为钙质，种类为有孔虫类瓣腮类介形虫。",
        "score": 0.02945913851483661
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      {
        "context": "龙潭组－下窑组灰岩中含蜓 Codonofusiella schubertelloides sheng，Schubertella sp.，Nodosaria sp.，Palaeotextularia sp.，腕足Linoproductus sp.，珊瑚 achylasma sp.，Notothyris sp.等，该组合属于晚二叠世早期。",
        "score": 0.00887610348591845
      },
      {
        "context": "泥质粉砂岩中含 Pterophyllum decurrens Sze（拖延侧羽叶）。",
        "score": 0.008817717347327728
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  {
    "query_text": "坝里组（Z1b），指整合于沙坝黄组与牛角河群之间的一套浅海相陆源火山碎屑夹硅质岩建造。",
    "matched_texts": [
      {
        "context": "大寺组二段下部浅紫色碎裂安山岩杏仁状安山岩夹安玄岩夹玄武岩及安山质含火山角砾晶屑岩屑凝灰岩等，反映火山喷溢活动",
        "score": 0.018157814168891277
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      {
        "context": "按岩性特征区域对比定为公安寨组，为一套紫红色内陆湖盆相碎屑沉积，与下伏地层的接触关系为角度不整合接触。",
        "score": 0.017647905489347936
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      {
        "context": "总体分析，测区上泥盆统为滨海相碎屑岩沉积。",
        "score": 0.016179105781988674
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  {
    "query_text": "据1:20万阳春幅区调报告，新榕灰岩含层孔虫Amphipora sp.。",
    "matched_texts": [
      {
        "context": "1∶20 万区调在本测区东北角聂卡曾采获六射珊瑚化石 Montlivaltia sp.。",
        "score": 0.011535870270746009
      },
      {
        "context": "灰色薄层状亮晶砂屑灰岩夹灰色厚层状粉晶含鲕粒生物碎屑灰岩产苔藓虫 Stenopora sp.indet",
        "score": 0.01101875757859036
      },
      {
        "context": "煤线中含Podozamites Iance olatusf Iatier Sze（批针苏铁杉较宽异型）。",
        "score": 0.010574523395342376
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  {
    "query_text": "石英云母微片岩夹绿帘石透辉石角岩和薄层状云母长石石英岩89.5m",
    "matched_texts": [
      {
        "context": "深灰色薄层绿泥石化片岩云母石英片岩12.21m",
        "score": 0.01953237754748194
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      {
        "context": "灰色粉砂质板岩夹灰色薄层状细粒长石石英砂岩335.03m",
        "score": 0.01713977629317554
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      {
        "context": "灰色中－厚层状泥晶含生物碎屑砾灰岩夹少量灰色中层状菱铁矿化粉亮晶砂岩灰岩73.66m",
        "score": 0.017014396137698846
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  {
    "query_text": "第四系洪冲积，121.56m",
    "matched_texts": [
      {
        "context": "深灰色薄层状中粗粒岩屑长石砂岩126.86m",
        "score": 0.014507175834537266
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      {
        "context": "灰绿色全绿泥石化阳起石化辉石岩（构造岩块）76.03m",
        "score": 0.014059500589101999
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      {
        "context": "灰绿色蚀变粗玄武岩139.63m",
        "score": 0.014034781141276811
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  {
    "query_text": "调查区坝里组、老虎塘组为连续沉积，故将坝里组的时代归为早震旦世比较合适，相应年代地层为下震旦统。",
    "matched_texts": [
      {
        "context": "下窑组与下伏龙潭组整合接触。",
        "score": 0.009527589390205784
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      {
        "context": "一早中三叠世地层 测区早中三叠世地层只分布在测区分布在测区查涌一带的格仁康巴让赛日阿日曲一带，由三叠纪查涌蛇绿混杂岩早中三叠世结隆组组成。",
        "score": 0.009220752433433895
      },
      {
        "context": "区域上在西昆仑地区 1∶25 万区域地质调查发现晚二叠世地层角度不整合在中二叠世地层之上至少说明测区早中二叠世开心岭群与晚二叠世－早三叠世火山岩组之间的角度不整合在区域上还是有分布未见大面积出露。",
        "score": 0.00918003577546901
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    "total_hits": 12
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  {
    "query_text": "石英钠长斑岩，18.2m",
    "matched_texts": [
      {
        "context": "灰绿色厚层状中粒岩屑长石砂岩18.15m",
        "score": 0.013532468653408278
      },
      {
        "context": "灰绿色中层状中粒岩屑长石砂岩2.33m",
        "score": 0.013467252379260481
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      {
        "context": "灰色薄层状中细粒长石石英砂岩38.25m",
        "score": 0.013180950051729437
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    "total_hits": 6
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  {
    "query_text": "石云母石英片岩夹石英黑云母片岩—————————————整合—————————————云开群第一组，总厚度>1417.8m",
    "matched_texts": [
      {
        "context": "砂岩组（2-3B） 厚度2959.61m",
        "score": 0.019468695566798946
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      {
        "context": "甲丕拉组（J3jp）其岩性灰紫色厚层状含砾粗粒粒岩岩屑长石砂岩 角度不整合 九十道班组 厚度1351.61m ",
        "score": 0.017157740085083133
      },
      {
        "context": "深灰色薄层绿泥石化片岩云母石英片岩12.21m",
        "score": 0.016837057866981437
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    "query_text": "坑坪细碧-角斑岩系为断层所围限，以残片的形式出露于信宜贵子镇的坑坪—先经围及茶山镇龙虎岗活道—腰古一带，仅124.91m2，占调查区总面积的0.74%。",
    "matched_texts": [
      {
        "context": "二叠系分布于测区南部蔡家脑向斜毛百市向斜及猪风岭向斜两翼以及铜鼓山岩体北东侧亦有分布，出露面积约56.65m2，占图幅总面积的6.36%。",
        "score": 0.021463673446662595
      },
      {
        "context": "测区志留系主要分布于南部孙鉴铺－团林湾毛家铺一带，出露面积约141.28m2，占图幅总面积的15.85%，地层走向北西西向，构成背斜核部地层，厚度较大。",
        "score": 0.018203488761284477
      },
      {
        "context": "更新统广泛分布于测区梁子湖－金牛镇以西的垅岗地带，面积为185.725Km2，占测区总面积20.84%。",
        "score": 0.016895818699945435
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    "query_text": "调查区兰瓮组分布于云安高村北郁南河口镇北，分布范围较小，仅14.51m2，占调查区总面积的0.09%，岩性为紫红灰灰白色含砾细粒石英砂岩泥质粉砂岩泥岩及石英绢云母千枚岩。",
    "matched_texts": [
      {
        "context": "大冶组四段下部基本层序，灰白色灰红色厚层－块状含砂屑白云岩夹浅灰色中厚层－块状白云岩；局部夹厚层状白云岩角砾岩等。",
        "score": 0.01944427343212818
      },
      {
        "context": "地层大隆组灰黑色中层状炭质粘土岩夹灰色浅灰色含白云石粘土岩。",
        "score": 0.019357017738567135
      },
      {
        "context": "茅口组相邻大冶幅田家山一带，岩性单一，为浅灰－灰色厚层状含燧石结核灰岩结晶生物灰岩，中部夹燧石条带灰岩，上部夹含燧石结核白云质灰岩和白云岩透镜体。",
        "score": 0.019223548847337988
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  {
    "query_text": "调查区大绀山组为细砂岩粉砂岩泥岩为主，夹黑色炭质层海相火山岩黄铁矿层硅质岩及（含磷）碳酸盐岩透镜体，条带状构造水平纹层发育，所含的微古植物以纹饰结构简单的球藻类占绝对优势",
    "matched_texts": [
      {
        "context": "深灰色中薄层状含生物屑灰泥岩与黑色炭质页岩互层，厚3.73米，生物屑形态各异，成份为钙质，种类为有孔虫类瓣腮类介形虫。",
        "score": 0.0212640728149134
      },
      {
        "context": "岩石粒度较细，主要为粉砂岩泥岩，灰岩夹层增多，砾岩偶尔可见。",
        "score": 0.018692349683429935
      },
      {
        "context": "灰绿色中层状凝灰岩夹灰色薄层状白云石化含放射虫硅质岩29.45m",
        "score": 0.015175604548791135
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    "total_hits": 54
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  {
    "query_text": "上覆地层罗洪组，片理化石英质砾岩及中—粗粒变质砂岩夹板岩 — — — — — — 平行不整合 — — — — — — 水石组，总厚度2662.88m",
    "matched_texts": [
      {
        "context": "灰色中厚层状细粒长石石英砂岩与深灰色粉砂质板岩互层（向斜核部）未见顶47.09m",
        "score": 0.024263058109387385
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      {
        "context": "深灰色薄－中层状中细粒长石石英砂岩与深灰色粉砂质板岩互层448.97m",
        "score": 0.023416335266352954
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      {
        "context": "灰色中－厚层状细粒岩屑长石砂岩夹灰色薄层钙质粉砂岩及粉砂质板岩231.03m",
        "score": 0.023279419279086087
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    "total_hits": 30
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  {
    "query_text": "调查区春湾组主要分布于台山那扶阳春卫国合水东马水西新兴天堂等地，在石菉—潭水阳春等地也有零碎分布，出露面积约133.75m2，占总面积0.79%。",
    "matched_texts": [
      {
        "context": "测区志留系主要分布于南部孙鉴铺－团林湾毛家铺一带，出露面积约141.28m2，占图幅总面积的15.85%，地层走向北西西向，构成背斜核部地层，厚度较大。",
        "score": 0.02543301141703002
      },
      {
        "context": "二叠系分布于测区南部蔡家脑向斜毛百市向斜及猪风岭向斜两翼以及铜鼓山岩体北东侧亦有分布，出露面积约56.65m2，占图幅总面积的6.36%。",
        "score": 0.024049475807590984
      },
      {
        "context": "泥盆系仅出露上泥盆统云台观组，出露面积约2.15m2，占图幅总面积的0.24%。",
        "score": 0.014984147249610112
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    "total_hits": 18
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  {
    "query_text": "大绀山组上部以含锰绢云母千枚岩为主，夹石英织云母千枚岩、绢云母千枚岩及条纹状微粒石英岩。下部以炭质绢云母千枚岩、石英绢云母千枚岩为主夹片状微粒炭质绢云母石英岩、薄层状硅质岩。",
    "matched_texts": [
      {
        "context": "茅山组在毛铺一带下部为灰绿色中厚层状细粒岩屑石英砂岩夹黄绿色中薄层状泥质石英粉砂岩，上部为紫红色中薄层细粒长石石英砂岩夹粉砂质页岩，长石石英砂岩中夹灰黄色砂质条带，有黑色磁铁矿小斑点，断续分布。",
        "score": 0.016615557745397563
      },
      {
        "context": "云台观组基本层序由中层状白云质砂质砾岩厚层状含铁钙质细粒石英砂岩中薄层状含铁钙质细粒石英砂岩组成，向上粒度变细，单层厚度变薄，具退积型结构特征。",
        "score": 0.01646735182962584
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      {
        "context": "嘉陵江组三段基本层序由A薄－中厚层状结晶白云岩；B灰质白云岩；C溶崩角砾岩组成。",
        "score": 0.015781949214975298
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  {
    "query_text": "调查区大绀山群分布于罗定围底—云安县镇安—云浮腰古阳春—河朗等地，出露较广，约772.46m2，占调查区总面积的4.57%。",
    "matched_texts": [
      {
        "context": "二叠系分布于测区南部蔡家脑向斜毛百市向斜及猪风岭向斜两翼以及铜鼓山岩体北东侧亦有分布，出露面积约56.65m2，占图幅总面积的6.36%。",
        "score": 0.01923889441234382
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      {
        "context": "测区志留系主要分布于南部孙鉴铺－团林湾毛家铺一带，出露面积约141.28m2，占图幅总面积的15.85%，地层走向北西西向，构成背斜核部地层，厚度较大。",
        "score": 0.015070207561433412
      },
      {
        "context": "甲丕拉组主要分布在纳日贡玛－子曲以南的东脚涌－东莫涌扎青乡地区，分布面积 1351.61m2，控制最大厚度大于1351.61m。",
        "score": 0.014085157863765385
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    ],
    "total_hits": 12
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  {
    "query_text": "寒武纪地层称高滩组水石组。",
    "matched_texts": [
      {
        "context": "湖北省通山县蔡华生（PM016）志留系新滩组－石炭系黄龙组地层剖面",
        "score": 0.011410750458838671
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      {
        "context": "高水位体系域为新滩组上部条带状粉砂质页岩夹细砂岩，由于海水快速进退，未形成特征明显的饥饿段沉积。",
        "score": 0.010491494231086943
      },
      {
        "context": "龙潭组－下窑组灰岩中含蜓 Codonofusiella schubertelloides sheng，Schubertella sp.，Nodosaria sp.，Palaeotextularia sp.，腕足Linoproductus sp.，珊瑚 achylasma sp.，Notothyris sp.等，该组合属于晚二叠世早期。",
        "score": 0.010374290325312582
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    "total_hits": 12
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  {
    "query_text": "黄褐色云母片岩夹薄层状云母石英片岩，86.6m",
    "matched_texts": [
      {
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        "context": "坟头组一段底部出现紫红色粘土岩（页岩）在区域上出露稳定。",
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        "context": "梁山组深灰色中薄层状含生物屑灰泥岩与黑色炭质页岩互层。生物屑形态各异，成份为钙质，种类有有孔虫类瓣腮类介形虫。",
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        "context": "灰绿色中层状凝灰岩夹灰色薄层状白云石化含放射虫硅质岩29.45m",
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    "query_text": "黄白、黄褐、银灰色皱纹状云母石英片岩、石英云母片岩、黑云母片岩互层，146.3m",
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        "score": 0.026945584605624382
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        "context": "灰黄色黄绿色纹层状泥质石英粉砂岩夹含铁砂质石英粉砂岩，夹层厚2-10cm不等，岩石含少量黄铁矿，铁质矿物含量8%，厚8.77米",
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        "context": "深灰色薄层状细粒长石石英砂岩与深灰色粉砂质板岩互层101.60m",
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    "query_text": "灰浅灰色中厚层状变斑状黑云红柱石角岩与角岩化细中粒石英杂砂岩互层，49m",
    "matched_texts": [
      {
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        "score": 0.04268607827192249
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        "context": "灰色中厚层状细粒长石石英砂岩与深灰色粉砂质板岩互层（向斜核部）未见顶47.09m",
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      {
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