 | 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 Distribution of Gallium in the Nechalacho REE Deposit, NWT, Canada Alexander Timofeev† and A.E. Williams-Jones... 3450 University Street, Montreal, QC H3A 0E8, Canada Abstract Despite the numerous industrial and scientific...distribution in the Nechalacho rare metal deposit, Northwest Territories, Canada, which has been shown...mineralogical distribution of gallium in the Nechalacho intrusive suite. Elevated gallium concentrations...overall distribution of gallium within the Nechalacho deposit was controlled by magmatic crystal fractionation |  | | 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...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 |  | Hoshino, Mihoko, Watanabe, Yasushi, Murakami, Hiroyasu, Kon, Yoshiaki, Tsunematsu, Maiko (2013) Formation Process of Zircon Associated with REE-Fluorocarbonate and Niobium Minerals in the Nechalacho REE Deposit, Thor Lake, Canada. Resource Geology, 63 (1) 1-26 doi:10.1111/j.1751-3928.2012.00207.x | Journal (article/letter/editorial) | | of Zircon Associated with REE-Fluorocarbonate and Niobium Minerals in the Nechalacho REE Deposit, Thor...Thor Lake, Canada Mihoko Hoshino, Yasushi Watanabe, Hiroyasu Murakami, Yoshiaki Kon and Maiko Tsunematsu...(REE) ore units at the Nechalacho REE in the Proterozoic Thor Lake syenite, Canada, were studied in order...the albitized and potassic altered miaskitic syenite. Zircon is the most common REE mineral in the REE ore...and is divided into five types as follows: Type-1 zircon occurs as discrete grains in phlogopite, and has |  | | 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...various HFSE minerals [typically, bastnäsite-(Ce), zircon, rutile, xenotime-(Y), and columbite] and phenakite |  | | Journal (article/letter/editorial) | | hydrothermal evolution of the Nechalacho Layered Suite, northwest Canada Volker Möller ⁎, Anthony E. Williams-Jones... 3450 University Street, Montreal, QC H3A 0E8, Canada a r t i c l e i n f o Article history: Received...online 19 July 2016 Keywords: Nechalacho Layered Suite Nepheline syenite REE LA ICP-MS U-Pb dating Stable...of the Nechalacho Layered Suite represent the youngest intrusive phase of the Blatchford Lake Igneous...Igneous Complex, Canada, and host hydrothermally altered eudialyte-rich layers that constitute one of the world's |  | | 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 |  | | Report (issue) | | BULGARIA BURKINA FASO BURUNDI CAMBODIA CAMEROON CANADA CENTRAL AFRICAN REPUBLIC CHAD CHILE CHINA COLOMBIA...NETHERLANDS NEW ZEALAND NICARAGUA NIGER NIGERIA NORTH MACEDONIA NORWAY OMAN PAKISTAN PALAU PANAMA PAPUA...use of particular designations of countries or territories does not imply any judgement by the publisher...as to the legal status of such countries or territories, of their authorities and institutions or of...REE ................................. 6 2.3.1. Alkaline intrusions and igneous complexes............. |  | | 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. ........................................ |  | Smith, M.P., Moore, K., Kavecsánszki, D., Finch, A.A., Kynicky, J., Wall, F. (2016) From mantle to critical zone: A review of large and giant sized deposits of the rare earth elements. Geoscience Frontiers, 7 (3) 315-334 doi:10.1016/j.gsf.2015.12.006 | Journal (article/letter/editorial) | | total rare earth oxide, but the importance of a deposit may be related to the grade for individual, or...the total REE resource, only one currently known deposit (Bayan Obo) would class as giant (>1.7×107 tonnes...the Olympic Dam IOCG deposit, all of these deposits M AN U are related to alkaline igneous activity –...the primary igneous source, but the grade is a complex function of igneous source, magmatic crystallisation...Keywords: Rare earth elements; Carbonatite; Syenite; Giant deposit; Grade 1. Introduction The rare earth |  | Wang, Hong, Tang, Yong, Xu, Yu-Sheng, Zhang, Hui, Lv, Zheng-Hang, Qin, Shan-Xian, Song, Ying-Wei (2021) Textures and Chemical Compositions of Nb-Bearing Minerals and Nb Mineralization in the Shuangshan Nepheline Syenite Pluton, East Qinling, China. Minerals, 11 (11) 1163 doi:10.3390/min11111163 | Journal (article/letter/editorial) | | Nb Mineralization in the Shuangshan Nepheline Syenite Pluton, East Qinling, China Hong Wang 1,2 , Yong...Nb Mineralization in the Shuangshan Nepheline Syenite Pluton, East Qinling, China. Minerals 2021, 11...+86-851-84394846 Abstract: The Shuangshan alkaline complex located in the Henan province of China is...giant niobium (Nb) deposit. A variety of Nb-bearing minerals including pyrochlore, zircon, and titanite have...identified in this deposit. Distinct textural and chemical differences of pyrochlore and zircon indicate that |  | | Journal (article/letter/editorial) | | 3450 University Street, Montréal, Québec H3A 2A7, Canada solution using ammonium hydroxide. In so doing...University of Windsor, Windsor, Ontario N9B 3P4, Canada followed by erbium and terbium (Mosander 1843)...origin, however, including the giant Bayan Obo REE deposit in China (Chao et al. 1992; Smith and Henderson...but we suspect that the answer lies in the more complex nature of the sulfate species and a different behaviour...minerals (FIG. 3). 357 O C TOBER 2012 secondary zircon, allanite-(Ce), bastnäsite-(Ce) and monazite-(Ce) |  | Jordens, Adam, Marion, Chris, Langlois, Ray, Grammatikopoulos, Tassos, Rowson, Neil A., Waters, Kristian E. (2016) Beneficiation of the Nechalacho rare earth deposit. Part 1: Gravity and magnetic separation. Minerals Engineering, 99. 111-122 doi:10.1016/j.mineng.2016.04.006 | Journal (article/letter/editorial) | | com/locate/mineng Beneficiation of the Nechalacho rare earth deposit. Part 1: Gravity and magnetic separation...0C5, Canada SGS Canada Inc., 185 Concession Street, PO 4300, Lakefield, Ontario K0L 2H0, Canada School...the inherent mineral characteristics. The Nechalacho REE deposit contains multiple low specific gravity...hematite). The valuable REE minerals (REM) in the deposit consist of a variety of relatively high specific...study is the concentration of heavy REE-bearing zircon into coarse size fractions after grinding. Ó 2016 |  | Louvel, M., Sanchez-Valle, C., Malfait, W. J., Cardon, H., Testemale, D., Hazemann, J.-L. (2014) Constraints on the mobilization of Zr in magmatic-hydrothermal processes in subduction zones from in situ fluid-melt partitioning experiments. American Mineralogist, 99 (8) 1616-1625 doi:10.2138/am.2014.4799 | Journal (article/letter/editorial) | | slab-derived fluids but most probably originates from complex fluid-melt-rock interactions occurring at the slab...environments (e.g., Strange Lake and Thor Lake Nechalacho deposit, Canada; Galineiro complex, Spain). Keywords:...HFSE-bearing accessory phases, such as rutile or zircon, in H2O (Antignano and Manning 2008; Audetat and...al. 2008). However, the occurrence of rutile or zircon-rich veins in UHP metamorphic rocks (Gao et al...complexes, where remobilization of HFSE by highly alkaline late-magmatic fluids was found to enhance the |  | | Journal (article/letter/editorial) | | mineralization in the Madeira Sn-Nb-Ta world-class deposit (Pitinga, Brazil) Ingrid.W. Hadlich, Artur C. Bastos...mineralization in the Madeira Sn-Nb-Ta world-class deposit (Pitinga, Brazil), Ore Geology Reviews (2019),...mineralization in the Madeira Sn-Nb-Ta world-class deposit (Pitinga, Brazil). Ingrid. W. HADLICH1, Artur C...Sn-Nb-Ta Madeira deposit is located in the Pitinga mine (northern Brazil). The deposit is associated with...(cryolite), Y, REE (xenotime), Zr (zircon), U (UPb-pyrochlore and zircon) and Th (thorite) are potential |  | | Journal (article/letter/editorial) | | HYDROTHERMAL EVOLUTION IN THE HOIDAS LAKE VEIN-TYPE REE DEPOSIT, SASKATCHEWAN, CANADA: CONSTRAINTS FROM FLUID INCLUSION...5E2, Canada DANIEL J. KONTAK Department of Earth Sciences, Laurentian University, 935 Ramsey Lake Road...Road, Sudbury, Ontario, P3E 2C6, Canada KEVIN M. ANSDELL Department of Geological Sciences, University...Saskatchewan, S7N 5E2, Canada ABSTRACT The Hoidas Lake rare earth element (REE) deposit, located in northern...northern Saskatchewan, Canada, is a structurally controlled vein-type LREE deposit with allanite-(Ce) and |  | 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...the world, particularly in the Americas (e.g., Canada, Brazil, USA) [3]. Unfortunately, investment into |  | Simandl, G. J., Stone, R. S., Paradis, S., Fajber, R., Reid, H. M., Grattan, K. (2014) An assessment of a handheld X-ray fluorescence instrument for use in exploration and development with an emphasis on REEs and related specialty metals. Mineralium Deposita, 49 (8) 999-1012 doi:10.1007/s00126-013-0493-0 | Journal (article/letter/editorial) | | November 2013 # Her Majesty the Queen in Right of Canada 2013 Abstract Handheld (portable) X-ray fluorescence...British Columbia Geological Survey, Victoria, BC, Canada e-mail: george.simandl@gov.bc.ca G. J. Simandl...Victoria, BC, Canada S. Paradis Geological Survey of Canada, Sidney, British Columbia, BC, Canada K. Grattan...Grattan Elemental Controls Limited, Toronto, ON, Canada and precise data, and the accuracy and precision...(California), Bayan Obo (Inner Mongolia), Wicheeda Lake (British Columbia), St Honoré, Oka, and Eldor (Quebec) |  | 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 |  | Yu, Zhi-Qiang, Ling, Hong-Fei, Mavrogenes, John, Chen, Pei-Rong, Chen, Wei-Feng, Fang, Qi-Chun (2019) Metallogeny of the Zoujiashan uranium deposit in the Mesozoic Xiangshan volcanic-intrusive complex, southeast China: Insights from chemical compositions of hydrothermal apatite and metal elements of individual fluid inclusions. Ore Geology Reviews, 113. 103085 doi:10.1016/j.oregeorev.2019.103085 | Journal (article/letter/editorial) | | the Zoujiashan uranium deposit in the Mesozoic Xiangshan volcanic-intrusive complex, southeast China: Insights...Halogens The Zoujiashan U deposit in the Mesozoic Xiangshan volcanic-intrusive complex is one of the largest...of U and ore-forming fluids of the Zoujiashan deposit. Illitization, hematitization, and U mineralization...hosted in the Mesozoic Xiangshan volcanic-intrusive complex is the largest volcanic-related uranium field in...Xiangshan uranium ore field, including the Zoujiashan deposit remains controversial as the origin of uranium |  | 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 |  | | Journal (article/letter/editorial) | | from the Penouta deposit located in Penouta village, in the mineralization Penouta deposit located in Penouta...cassiterite,apatite, apatite,monazite, monazite,zircon, zircon, covite, columbite-tantalite, and uraninite...Mineral Processors Operators Conference, Ottawa, ON, Canada, 22–24 January 2013; p. 121. Boundy, T.; Boyton...Comminution and QMA. SAG Conference, Vancouver, BC, Canada, 20–24 September 2015. Lieberwirth, H.; Popov,...Grammatikopoulos, T. The Pre-Concentration of the Nechalacho Deposit: Selective Comminution. In Proceedings of |
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