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Lunnoe Au-U deposit, El'konskii Gorst, Aldan Shield, Saha Republic (Sakha Republic; Yakutia), Eastern-Siberian Region, Russia
Yellow agregate of extremely rich in thallium (~20 % Tl2O versus ~3 % K2O) carnotite. It is almost in 4 times more than in thallian carnotites of Dzhantuar deposit. Length of the photo 6 mm. Photo and analytical data of Aleksei Aleshin. |
| © A. Aleshin | Photo ID: 132313 View Count: 177 |
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Dzhentuar U deposit, Auminzatau Mts, Central Kyzylkum Region, Kyzylkum Desert, Uzbekistan
Fragment of striped concretion of thallian carnotite from an linear oxidation zone of carboniferous U-V-bearing cherts. Note its typical olive-green colour. Brown strips are goethite segregations formed after decomposition and recrystallization of black Fe- and V4+ bearing carnotite of former generation. FOV is ~15x13 mm. Collected and described ... |
| © Pavel M. Kartashov | Photo ID: 133025 View Count: 169 |
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Dzhentuar U deposit, Auminzatau Mts, Central Kyzylkum Region, Kyzylkum Desert, Uzbekistan
Another fragment of striped concretion of thallian carnotite from an linear oxidation zone of carboniferous U-V-bearing cherts. Note its typical olive-green colour. Brown strips are goethite segregations formed after decomposition and recrystallization of black Fe- and V4+ bearing carnotite of former generation. FOV is ~15x13 mm. Collected and ... |
| © Pavel M. Kartashov | Photo ID: 133026 View Count: 140 |
