Abstract
As a result of analyzing the materials of hydrogenic uranium deposits formed by ground- and stratal waters enriched in uranium and accompanying elements, five types of objects have been identified. The first is distinguished from published data, while the others, from the author’s detailed studies. The main principles for typification are the occurrence and correlation between infiltration and exfiltration processes reflected in epigenetic ore-controlling zoning. The first three types—infiltration–oxidation, reduction, and exfiltration–reduction—are monochronous with a single leading geochemical barrier and primarily include small and medium-sized uranium deposits. The other two types—infiltration–exfiltration and exfiltration–infiltration have a polychronous and polygenic character with a complex combination of geochemical barriers and are represented by medium-sized and large uranium deposits. They are characterized by the presence of rich ores with uranium content >0.5% and accompanying REE and are mined by an ecological in-situ leach method, except for surficial deposits of the first type.
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ACKNOWLEDGMENTS
The author is grateful to Corresponding Member of the RAS V.A. Petrov and Professor A.A. Pack for detailed examination of and commentary on this work, as well as to the two anonymous reviewers for constructive feedback.
Funding
The study was prepared under the state task of the Institute of Geology of Ore Deposits, Petrology, Mineralogy and Geochemistry, Russian Academy of Sciences, “Tectonodynamic Settings and Physicochemical Conditions of Forming Mineral Systems of the Main Economic–Genetic Types of Uranium Deposits.”
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Translated by L. Mukhortova
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Vinokurov, S.F. Typification of Hydrogenic Uranium Deposits. Geol. Ore Deposits 63 (Suppl 1), S99–S119 (2021). https://doi.org/10.1134/S1075701522010081
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DOI: https://doi.org/10.1134/S1075701522010081