| Parent nuclide,Daughter nuclide,Decay constant (yr−1),Half-life | |
| 190Pt,186Os,1.477 ×10−12,469.3 Gyr * | |
| 147Sm,143Nd,6.54 ×10−12,106 Gyr | |
| 87Rb,87Sr,1.402 ×10−11,49.44 Gyr | |
| 187Re,187Os,1.666 ×10−11,41.6 Gyr | |
| 176Lu,176Hf,1.867 ×10−11,37.1 Gyr | |
| 232Th,208Pb**,4.9475 ×10−11,14.01 Gyr | |
| 40K,40Ar,5.81 ×10−11,11.93 Gyr | |
| 238U,206Pb**,1.55125 ×10−10,4.468 Gyr | |
| 40K,40Ca,4.962 ×10−10,1.397 Gyr | |
| 235U,207Pb**,9.8485 ×10−10,0.7038 Gyr | |
| 129I,129Xe,4.3 ×10−8,16 Myr | |
| 10Be,10B,4.6 ×10−7,1.5 Myr | |
| 26Al,26Mg,9.9 ×10−7,0.7 Myr | |
| 36Cl,36Ar/S,2.24 ×10−6,310 kyr | |
| 234U,230Th,2.826 ×10−6,245.25 kyr | |
| 230Th,226Ra,9.1577 ×10−6,75.69 kyr | |
| 231Pa,227Ac,2.116 ×10−5,32.76 kyr | |
| 14C,14N,1.2097 ×10−4,5730 yr | |
| 226Ra,222Rn,4.33 ×10−4,1600 yr | |