Abstract
Rare-earth element (REE) mineralization in weathered granites of Primorye is localized in the basement rocks and rocks surrounding coal-bearing basins, which have been recently deformed and undergone argillic metasomatism. It was shown that the clay material from the zones of intense argillization can be a source of deficient REE and yttrium. The ion-sorbed and carbonate REE+Y species in them in combination with the clay composition of most of the ores make it possible to use inexpensive and low-toxicity salt and hydrochloric acid solutions during heap leaching.
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ACKNOWLEDGMENTS
We are grateful to A.A. Kokovkin for kindly given samples for studies and valuable consultations on the geological position of the studied zones of secondary alterations.
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Cherepanov, A.A., Berdnikov, N.V. & Astapov, I.A. Rare-Earth Element Mineralization in Argillized Granites of Southern Primorye: New Data. Russ. J. of Pac. Geol. 16, 153–160 (2022). https://doi.org/10.1134/S1819714022020038
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DOI: https://doi.org/10.1134/S1819714022020038