 | | Journal (article/letter/editorial) | | monazite-(Ce) and chevkinite-(Ce) from the Sin Quyen Fe-Cu-LREE-Au deposit, northwestern Vietnam Xiao-Chun Li1...Kong SAR, China Abstract The Sin Quyen deposit in northwestern Vietnam is composed of Fe-Cu-LREE-Au ore...ores with variable amounts of monazite-(Ce) and chevkinite-(Ce) crystals, which have undergone fluid-induced...fluid-induced alteration. Monazite(Ce) and chevkinite-(Ce) were deposited from high-temperature fluids in the...Ca/Na ratios and relatively low temperatures. Chevkinite-(Ce) was variably replaced by an assemblage of |  | Macdonald, Ray, Bagiński, Bogusław, Belkin, Harvey E., Stachowicz, Marcin (2019) Composition, paragenesis, and alteration of the chevkinite group of minerals. American Mineralogist, 104 (3) 348-369 doi:10.2138/am-2019-6772 | Journal (article/letter/editorial) | | Composition, paragenesis, and alteration of the chevkinite group of minerals Ray Macdonald1,2, Bogusław Bagiński1...Virginia 20190-4026, U.S.A. Abstract The chevkinite-group minerals (CGM) are dominantly monoclinic REE-Ti-Fe...will undoubtedly be identified. Minerals of the group are known from hundreds of terrestrial localities...skarns and fenites, and in rare-metal deposits. Chevkinite-group minerals may form over the pressure range...redistribution during these processes. Keywords: Chevkinite-group, structure, composition, occurrence, alteration |  | Macdonald, Ray, Bagiński, Bogusław, Stachowicz, Marcin, Zozulya, Dmitry, Kotowski, Jakub, Jokubauskas, Petras (2022) Extreme Alteration of Chevkinite-(Ce) by Pb-CO2-Rich Fluids: Evidence from the White Tundra Pegmatite, Keivy Massif, Kola Peninsula. Minerals, 12 (8) 989 doi:10.3390/min12080989 | Journal (article/letter/editorial) | | minerals Article Extreme Alteration of Chevkinite-(Ce) by Pb-CO2-Rich Fluids: Evidence from the White...Kotowski, J.; Jokubauskas, P. Extreme Alteration of Chevkinite-(Ce) by Pb-CO2 -Rich Fluids: Evidence from the...hydrothermal alteration scheme was presented for chevkinite-(Ce) from the White Tundra pegmatite (2656 ±...-rich fluids initially removed REE and Y from the chevkinite-(Ce), with enrichment in Pb and U. PbO abundances...Continued alteration resulted in the altered chevkinite-(Ce) being progressively transformed to a Pb-Ti-Fe-Si |  | Galanciak, J., Bagiński, B., Macdonald, R., Belkin, H.E., Kotowski, J., Jokubauskas, P. (2020) Relationships between monazite, apatite and chevkinite-group minerals in the rhyolitic Joe Lott Tuff, Utah, USA. Lithos, 354. 105349 doi:10.1016/j.lithos.2019.105349 | Journal (article/letter/editorial) | | Relationships between monazite, apatite and chevkinite-group minerals in the rhyolitic Joe Lott Tuff, Utah...Relationships between monazite, apatite and chevkinite-group minerals in the rhyolitic Joe Lott Tuff, Utah...Relationships between monazite, apatite and chevkinite-group minerals in the rhyolitic Joe Lott Tuff, Utah...of the REE-bearing phases, monazite and the chevkinite-group minerals (CGM): (i) Jo ur the presence of...distribution and variations in monazite and apatite-group composition with stratigraphic height in the deposit |
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