 | 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) | | FIELD STRENGTH ELEMENTS IN THE T ZONE, THOR LAKE RARE-METAL DEPOSIT YONGGANG FENG§ AND IAIN M. SAMSON...ABSTRACT The Thor Lake rare-element (Y-REE-Nb-Ta-Zr-Be) deposit, Northwest Territories, Canada, is a world-class...world-class deposit hosted by alkaline syenite and granite and has two main mineralized zones, namely the...the Nechalacho and T Zones deposit. The T Zone is shown to have originally been a pegmatite, but has experienced...respectively. Although aegirine and arfvedsonite from alkaline rocks can contain HFSE, LA-ICP-MS analysis of |  | | 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 |  | | Journal (article/letter/editorial) | | “Coltan,” that caused Ta mines in Australia and Canada to be placed on care and maintenance. More recently... 3800 Finnerty Road (Ring Road), Victoria, BC, Canada V8P 5C2 G. J. Simandl (*) British Columbia Ministry...Victoria, BC, Canada V8W 9N3 e-mail: george.simandl@gov.bc.ca Fir and Crevier, Canada) are being considered...complexes in Brazil and one hard rock carbonatite deposit in Canada account for about 92 and 7 % of Nb world mine...weathered crusts, are peralkaline complexes (e.g. Nechalacho; where Nb is considered as a potential co-product |  | | Report (issue) | | ...O7 Rare-Earth-Element-Mineral Formation in Alkaline Magmas.....................................................................................O7 Deposit Types............................................rare-earth-element (REE) distribution in six different types of North American REE deposits.......................................O10 O3. Active rare-earth mines, by deposit type.............................................reported estimates of their REE resources, by deposit type. ........................................ |  | Edahbi, Mohamed, Plante, Benoît, Benzaazoua, Mostafa, Kormos, Lori, Pelletier, Mia (2018) Rare Earth Elements (La, Ce, Pr, Nd, and Sm) from a Carbonatite Deposit: Mineralogical Characterization and Geochemical Behavior. Minerals, 8 (2) 55 doi:10.3390/min8020055 | Journal (article/letter/editorial) | | Elements (La, Ce, Pr, Nd, and Sm) from a Carbonatite Deposit: Mineralogical Characterization and Geochemical...boul. de l’Université, Rouyn-Noranda, QC J9X 5E4, Canada; mohamed.edahbi@uqat.ca (M.E.); mostafa.benzaazoua@uqat...ON P0M1S0, Canada; Lori.Kormos@xps.ca Ressources Géoméga, Boucherville, QC J4B 6Y4, Canada; mpelletier@ressourcesgeomega...samples from the Montviel carbonatite deposit, located in Quebec (Canada). Three main lithological units representing...REE-free carbonates (i.e., calcite, ankerite, and siderite); and (iii) LREE is more abundant than HREE. Grades |  | Broom-Fendley, Sam, Brady, Aoife E., Wall, Frances, Gunn, Gus, Dawes, William (2017) REE minerals at the Songwe Hill carbonatite, Malawi: HREE-enrichment in late-stage apatite. Ore Geology Reviews, 81. 23-41 doi:10.1016/j.oregeorev.2016.10.019 | Journal (article/letter/editorial) | | , 706 27 Avenue NW, Calgary, Alberta, T2M 2J3, Canada a r t i c l e i n f o Article history: Received...Heavy rare earth elements Synchysite-(Ce) Chilwa Alkaline Province Critical metals Songwe Hill a b s t...principal REE bearing minerals at Songwe, gives a REE deposit with a high proportion of Nd and a higher proportion...Kangankunde, Malawi; Khibiny, Russia; Deadhorse Creek, Canada; Huanglongpu and Huayangchuan, China; Lofdal, Namibia;...distribution of a carbonatite and the likelihood of REE deposit formation (Zaitsev et al. 2015). Apatite habits |  | | Report (issue) | | Front cover (clockwise starting at top left). Dry Lake Wind Power Project. This 63-megawatt-capacity facility...geology and global distribution of the mineral deposit types that account for the present and possible...framework and development of geoenvironmental mineral-deposit models. vi Chapters C through V describe individual...barite deposits and districts, color-coded by deposit type.............................................is located west of Kimberley, British Columbia, Canada....................................... E13 Generalized |  | Brugger, Joël, Liu, Weihua, Etschmann, Barbara, Mei, Yuan, Sherman, David M., Testemale, Denis (2016) A review of the coordination chemistry of hydrothermal systems, or do coordination changes make ore deposits?. Chemical Geology, 447. 219-253 doi:10.1016/j.chemgeo.2016.10.021 | Journal (article/letter/editorial) | | 9 2.1. Spectroscopic studies of complexes and complex-forming reactions under hydrothermal conditions...volatiles such as CO2, CH4, H2O or SO2, or to complex MA ‘hydrated melts’ with > 50 mol% salt (NaCl...As illustrated in Figure 1a, the activity of a complex increases in a linear fashion with respect to the...water (aH2O) is equal to one when it comes to complex-forming reactions. This is reflected by the fact...no direct information about the geometry of the complex(es). It is also difficult to use solubility experiments |
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