Geology of Ore Deposits, 2021, V 63, Supp1.

Uranium-Bearing Volcanic Structures: Streltsovka (Russia), 
Xiangshan (China), and McDermitt (United States). 
A Comparative Analysis of the Petrology of Felsic 
Volcanics and the Composition of Near-Ore Metasomatites
V. A. Petrov, O. V. Andreeva, V. V. Poluektov 
and D. V. Kovalenko 
p. 1  

Migration and Sorption of Uranium in Various 
Redox Conditions on the Example of Volcanic-Related
Deposits in the Streltsovka Caldera, SE Transbaikalia
V. V. Poluektov, V. A. Petrov and O. V. Andreeva 
p. 29  

On the Formation of Uniquely High-Grade Ores of 
Unconformity-Related Uranium Deposits in the 
Athabasca Basin (Canada): The Multistage 
Telescoped Ore Deposition Hypothesis
A. A. Pek, V. I. Malkovsky and V. A. Petrov 
p. 62  

Age of the Vostok Hydrothermal Uranium Deposit 
(North Kazakhstan Ore Province) According to 
U–Pb (ID-TIMS), Pb–Pb, Xen–Xes, K–Ar and Rb–Sr Methods
V. N. Golubev and I. V. Chernyshev 
p. 80  

Typification of Hydrogenic Uranium Deposits
S. F. Vinokurov 
p. 99  

Special Conditions for the Formation of Large 
Exogenic Epigenetic Uranium Deposits
B. T. Kochkin 
p. 120  

Carbonate Groundwater—An Ore-Preserving Factor 
at Uranium Deposits of The Khiagda Ore Field 
(Republic of Buryatia)
I. N. Solodov and M. V. Nesterova 
p. 134