 | | Journal (article/letter/editorial) | | and Tantalum Mineralization in the Nechalacho REE Deposit, NWT, Canada Alexander Timofeev† and A.E. Williams-Jones...University, 3450 University Street, Montreal, QC, Canada H3A 0E8 Abstract The behavior of niobium and tantalum...mineralization in the Nechalacho rare metal deposit, Northwest Territories, Canada, which contains one...niobium- and tantalum-bearing minerals in the Nechalacho deposit. Niobium-bearing zircon, columbite(Fe), fergusonite-(Y)...samarskite-(Y) were identified in the ore zones of the deposit, uranopyrochlore, and columbite-(Fe) were found |  | Sheard, E. R., Williams-Jones, A. E., Heiligmann, M., Pederson, C., Trueman, D. L. (2012) Controls on the Concentration of Zirconium, Niobium, and the Rare Earth Elements in the Thor Lake Rare Metal Deposit, Northwest Territories, Canada. Economic Geology, 107 (1) 81-104 doi:10.2113/econgeo.107.1.81 | Journal (article/letter/editorial) | | Earth Elements in the Thor Lake Rare Metal Deposit, Northwest Territories, Canada EMMA R. SHEARD,1,† ANTHONY...University, 3450 University Street, Montreal, Quebec, Canada H3A 2A7 2 Avalon Rare Metals Inc., 130 Adelaide... Suite 1901, Toronto, Ontario, Canada M5H 3P5 Abstract The Thor Lake rare metal (Zr, Nb, REE, Ta, Be...Be, Ga) deposits in Canada’s Northwest Territories represent one of the largest resources of zirconium...southern edge of the Slave province of the Canadian Shield, within the 2094 to 2185 Ma alkaline to peralkaline |  | | Journal (article/letter/editorial) | | the Mineralogy of the Basal Zone, Nechalacho REE-Nb-Zr Deposit, Canada* Volker Möller1,† and Anthony E...Montreal, Quebec H3A 0E8, Canada Abstract The Nechalacho rare metal deposit, and in particular its heavy...resource of REEs, zirconium, and niobium. The deposit formed by magmatic accumulation and interstitial...upper part of a 2176 Ma layered agpaitic nepheline syenite intrusion. Its endowment in HREEs compared to later-crystallized...alteration had a major impact on the mineralogy of the deposit: eudialyte was completely replaced by a quasi-miaskitic |
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