| Chauli Uzbekistan | 137.714 ± 0.00755 | 137.707 / 137.722 | 3 | zoned pitchblende crust (695) | Chernyshev et al. (2014), 238U/235U isotope ratio variations in minerals from hydrotherma… |
| Cage District (Canadian Shield) Canada | 137.766 ± 0.01225 | 137.754 / 137.783 | 4 | uraninite (33B, 071A) | Chernyshev et al. (2014), 238U/235U isotope ratio variations in minerals from hydrotherma… |
| Khadatkanda Russia | 137.77167 ± 0.01012 | 137.76 / 137.778 | 3 | uraninite with sulphide inclusions (2012) | Chernyshev et al. (2014), 238U/235U isotope ratio variations in minerals from hydrotherma… |
| Urtuy granite massif Russia | 137.75833 ± 0.00666 | 137.754 / 137.766 | 3 | two-phase uraninite (Ura and Urb) in variable proportions (25) | Chernyshev et al. (2014), 238U/235U isotope ratio variations in minerals from hydrotherma… |
| McArthur River (Athabasca) Canada | 137.796 ± 0.0064 | 137.789 / 137.805 | 5 | finely crystalline disseminated and massive uraninite (9079/22) | Chernyshev et al. (2014), 238U/235U isotope ratio variations in minerals from hydrotherma… |
| Oktyabrskoye Russia | 137.7578 ± 0.0349 | 137.703 / 137.799 | 5 | spherulitic pitchblende crust (312, 220) | Chernyshev et al. (2014), 238U/235U isotope ratio variations in minerals from hydrotherma… |
| Oktyabrskoye Russia | 137.775 ± 0.01 | | 1 | jordisite-pitchblende aggregate overgrowing the crust (312) | Chernyshev et al. (2014), 238U/235U isotope ratio variations in minerals from hydrotherma… |
| Schlema-Alberoda Germany | 137.8195 ± 0.00212 | 137.818 / 137.821 | 2 | pitchblende of the quartz-calcite-pitchblende assemblage, 270 Ma (1224) | Chernyshev et al. (2014), 238U/235U isotope ratio variations in minerals from hydrotherma… |
| Schlema-Alberoda Germany | 137.80967 ± 0.00814 | 137.804 / 137.819 | 3 | pitchblende of the dolomite-pitchblende assemblage, 155 Ma (3696, 3211, XVI) | Chernyshev et al. (2014), 238U/235U isotope ratio variations in minerals from hydrotherma… |
| Schlema-Alberoda Germany | 137.776 ± 0.01 | | 1 | coffinite overgrowing pitchblende (3696) | Chernyshev et al. (2014), 238U/235U isotope ratio variations in minerals from hydrotherma… |
| Shea Creek (Athabasca) Canada | 137.797 ± 0.00458 | 137.792 / 137.801 | 3 | uraninite, 1308 ± 10 Ma (8658/8, 9081/9) | Chernyshev et al. (2014), 238U/235U isotope ratio variations in minerals from hydrotherma… |
| Shea Creek (Athabasca) Canada | 137.759 ± 0.02929 | 137.72 / 137.783 | 4 | pitchblende of Phanerozoic redeposition in the unconformity zone (9081/2, 427 to 116 Ma) | Chernyshev et al. (2014), 238U/235U isotope ratio variations in minerals from hydrotherma… |
| Shea Creek (Athabasca) Canada | 137.788 ± 0.00283 | 137.786 / 137.79 | 2 | umetagel replacing uraninite (9081/9, about 30 Ma) | Chernyshev et al. (2014), 238U/235U isotope ratio variations in minerals from hydrotherma… |
| Shinkolobwe République démocratique du Congo | 137.75483 ± 0.00504 | 137.749 / 137.76 | 6 | uraninite, partly replaced by a U-Si phase (2236, 2633) | Chernyshev et al. (2014), 238U/235U isotope ratio variations in minerals from hydrotherma… |
| Shinkolobwe République démocratique du Congo | 137.751 ± 0.01 | | 1 | fissure aggregate of secondary U(VI) minerals (2236) | Chernyshev et al. (2014), 238U/235U isotope ratio variations in minerals from hydrotherma… |
| Streltsovskoye Russia | 137.7945 ± 0.00495 | 137.791 / 137.798 | 2 | spherulitic pitchblende crust (85/67) | Chernyshev et al. (2014), 238U/235U isotope ratio variations in minerals from hydrotherma… |
