 | Trofanenko, J., Williams-Jones, A. E., Simandl, G. J., Migdisov, A. A. (2016) The Nature and Origin of the REE Mineralization in the Wicheeda Carbonatite, British Columbia, Canada. Economic Geology, 111 (1) 199-223 doi:10.2113/econgeo.111.1.199 | Journal (article/letter/editorial) | | the REE Mineralization in the Wicheeda Carbonatite, British Columbia, Canada* J. Trofanenko,1 A. E. Williams-Jones...Planetary Sciences, Montreal, QC H3A 0E8, Canada 2 British Columbia Geological Survey, Ministry of Energy... Mines, and Natural Gas, Victoria, BC V8W 9N3, Canada 3 University 4 Earth of Victoria, School of Earth...Ocean Sciences, Victoria, BC V8P 5C2, Canada and Environmental Division, Los Alamos National Laboratory,...Alamos, NM 87545, United States Abstract The Wicheeda carbonatite is a deformed plug or sill that hosts relatively |  | Prokopyev, Ilya, Kozlov, Evgeniy, Fomina, Ekaterina, Doroshkevich, Anna, Dyomkin, Maxim (2020) Mineralogy and Fluid Regime of Formation of the REE-Late-Stage Hydrothermal Mineralization of Petyayan-Vara Carbonatites (Vuoriyarvi, Kola Region, NW Russia) Minerals, 10 (5) 405 doi:10.3390/min10050405 | Journal (article/letter/editorial) | | Abstract: The Vuoriyarvi Devonian alkaline–ultramafic complex (northwest Russia) contains magnesiocarbonatites...types of these rocks: (a) ancylite-dominant magnesiocarbonatites with ancylite–baryte–strontianite–calcite–quartz...(±late Ca–Fe–Mg carbonates) ore assemblage, i.e., “ancylite ores”; (b) breccias of magnesiocarbonatites with...for ore-related processes: (1) the formation of ancylite ores began under the influence of highly concentrated...above300–350 ◦ C; (2) the completion of the formation of ancylite ores and their auto-metasomatic alteration occurred |  | Kozlov, Evgeniy, Fomina, Ekaterina, Sidorov, Mikhail, Shilovskikh, Vladimir, Bocharov, Vladimir, Chernyavsky, Alexey, Huber, Miłosz (2020) The Petyayan-Vara Carbonatite-Hosted Rare Earth Deposit (Vuoriyarvi, NW Russia): Mineralogy and Geochemistry. Minerals, 10 (1) 73 doi:10.3390/min10010073 | Journal (article/letter/editorial) | | minerals Article The Petyayan-Vara Carbonatite-Hosted Rare Earth Deposit (Vuoriyarvi, NW Russia): Mineralogy...Vuoriyarvi Devonian carbonatite–ijolite–pyroxenite–olivinite complex comprises several carbonatite fields: Neske...brine-melt) promoted the massive precipitation of ancylite and baryte and, to a lesser extent, strontianite... Varieties of carbonatite that contain the highest concentrations of REE are ancylite-dominant. The influence...poorer in REE (up to 4.5 wt. % total REE) than the ancylite-dominant rocks (up to 11 wt. % total REE). Keywords: |
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