 | | Journal (article/letter/editorial) | | OF THE TANCO AND SILVERLEAF GRANITIC PEGMATITES, WINNIPEG RIVER PEGMATITE DISTRICT, MANITOBA Alfredo...Geological Sciences, University of Manitoba, Winnipeg, Manitoba R3T 2N2, Canada Halfdan BAADSGAARD Department...University of Alberta, Edmonton, Alberta T6G 2E3, Canada Donald W. DAVIS Department of Geology, University...Ontario M5S 3B1, Canada Petr ÄernĆ½ Department of Geological Sciences, University of Manitoba, Winnipeg, Manitoba...Manitoba R3T 2N2, Canada Abstract Isotopic ages for minerals of the Archean lithiumācesiumātantalum |  | | Journal (article/letter/editorial) | | The BuckandPegliLithiumDeposits, Southeastern Manitoba: The Problemof Updip Fraetionation in Subhorizontal... University of Manitoba,Winnipeg, Manitoba,CanadaR3T2N2 AND PAUL G. LENTON Manitoba EnergyandMines,Geological...Services Branch,Suite360,1395ElliceAvenue, Winnipeā¢Manitoba, CanadaR3G3P2 Abstract Twosheets of complex ...theeastern partof the BernieLakepegmatitegroup,Cat Lake-Winnipeg Riverfield (Bird Riversubprovince, westernSuperior...westernSuperior province of southeastern Manitoba. Theydipwestat 7Ćøto 12Ćø;drillingreveals a downdip extentof |  | | Journal (article/letter/editorial) | | the Tanco pegmatite (Manitoba, (10%), Russia and the Middle East (10%), and Central Africa Canada) contain...enrichment factors are greater pegmatites (e.g. Tanco, Canada; Greenbushes, Australia; than 100,000. One of...importance is much less than that of columbiteātantalite (termed coltan) from Central Africa, the LCT family...illegal militias implicated in is the Strange Lake deposit, Canada, which contains 140.3 human rights abuses...of coltan ore (Melcher et al. 2008). ON N6A 5B6, Canada E-mail: rlinnen@uwo.ca 2 IDR, UR 234, GET, 14 avenue |  | ÄernĆ½, P., Teertstra, D. K., Chapman, R., Selway, J. B., Hawthorne, F. C., Ferreira, K., Chackowsky, L. E., Wang, X.-J., Meintzer, R. E. (2012) Extreme fractionation and deformation of the leucogranite-pegmatite suite at Red Cross Lake, Manitoba, Canada. IV. Mineralogy. The Canadian Mineralogist, 50 (6) 1839-1875 doi:10.3749/canmin.50.6.1839 | Journal (article/letter/editorial) | | LEUCOGRANITE ā PEGMATITE SUITE AT RED CROSS LAKE, MANITOBA, CANADA. IV. MINERALOGY Petr ÄERNĆĀ§ , David K....Geological Sciences, University of Manitoba, Winnipeg, Manitoba R3T 2N2, Canada Abstract Three types of subvertical...Cross Lake pegmatite field, located in a greenstone belt of the Sachigo Subprovince, Manitoba, in the...garnet group, tourmaline supergroup, pollucite, tantalite-(Mn), wodginite, lithium, rubidium, cesium, tantalum...mylonitization, Red Cross Lake, Manitoba. Introduction The Red Cross Lake granitic suite, located in |  | | Journal (article/letter/editorial) | | Ontario N6A 5B7, Canada Department of Geological Sciences, University of Manitoba, 240 Wallace Building...Building, 125 Dysart Road, Winnipeg, Manitoba R3T 2N2, Canada 2 Abstract Niobium and tantalum, rare metals...deposits are the columbite group minerals (columbite-tantalite), but at some ore deposits significant Ta is also...fluid enriched in a fluid-mobile element (FME, e.g., Mn). A starting glass enriched in a slow diffusing HFSE...and tantalum. The solubility product of columbite-(Mn) from the fluid-melt interaction experiment in a |  | | Report (issue) | | Mn2+Ta2O6 Tantalite-(Mn) Crystal Data: Orthorhombic. Point Group: 2/m 2/m 2/m. [Crystals short prismatic.... 99.96 100.00 (1) Sanarka, Russia. (2) Morrua mine, Zambesia, Mozambique; by electron microprobe, corresponds...tapiolite-(Mn); forms series, with columbite-(Mn), and with tantalite-(Fe) and tantalite-(Mg). Mineral...Diego Co., California. From the Tanco pegmatite, Bernic Lake, Manitoba, Canada. A few other less-well-defined...Suffix for dominant Mn in the composition and relation to tantalite-(Fe) and tantalite-(Mg), named for the |  | Galliski, M. A., Marquez-Zavalia, M. F., Cerny, P., Martinez, V. A., Chapman, R. (2008) THE Ta-Nb-Sn-Ti OXIDE-MINERAL PARAGENESIS FROM LA VIQUITA, A SPODUMENE-BEARING RARE-ELEMENT GRANITIC PEGMATITE, SAN LUIS, ARGENTINA. The Canadian Mineralogist, 46 (2) 379-393 doi:10.3749/canmin.46.2.379 | Journal (article/letter/editorial) | | Geological Sciences, University of Manitoba, Winnipeg, Manitoba R3T 2N2, Canada Viviana Alejandra MARTĆNEZ...Geological Sciences, University of Manitoba, Winnipeg, Manitoba R3T 2N2, Canada Abstract The paragenesis and...trend to tantalite-(Fe) with Ta/(Ta + Nb) ranging from 0.35 to 0.56 at an almost constant Mn/(Mn + Fe2+...+ Fe3+) of ~0.33, and locally to rare columbite-(Mn). In the middle and inner intermediate zones, the...Ils montrent un tracĆ© de fractionnement vers la tantalite-(Fe), avec une valeur de Ta/(Ta + Nb) dans lāintervalle |  | | Journal (article/letter/editorial) | | Xavier University, Antigonish, Nova Scotia, B2G 2W5, Canada ABSTRACT A hydrothermal diamond anvil cell (HDAC)...vapor inclusions in spodumene from the Tanco pegmatite, Manitoba, under confining pressure. At 25 8C, these...crystal-rich inclusions from the Tanco rare-element pegmatite, Manitoba, under an external pressure of...that spodumene in the intermediate zones of the Tanco pegmatite trapped a homogeneous ļ¬ux-rich silicate...In contrast to crystal-rich inclusions from the Tanco pegmatite, homogenized inclusions from the Jiajika |  | | Journal (article/letter/editorial) | | 3450 University Street, Montreal, QC H3A 2A7, Canada Caterina DE VITO Dipartimento di Scienze della...the lepidolite series, pollucite, tantalite-(Fe) and tantalite-(Mn), i.e., super-LCT deposits. Keywords:...inward, and give way in the intermediate zone to Mn-enriched fluorapatite. At the core margin, pods of...Anjanabonoina, and are found in other zoned bodies in the area, for example at Tsitondroina, northwest of Fianarantsoa...the left is divided into two parts; in region A, Mn, initially at 0.4 atoms per formula unit (apfu), |  | | Journal (article/letter/editorial) | | Constraints from crystallization experiments of tantalite-tapiolite Marieke Van Lichtervelde1,*,ā , Francois...Tapiolite [FeTa2O6] and columbite-group minerals [(Fe,Mn)(Ta,Nb)2O6] are common Nb-Ta-bearing accessory minerals...between a rutile-structured component Fe3+TaO4 and (Fe,Mn)Ta2O6. The experimental CGM-tapiolite compositional...2006 for the Tanco pegmatite), which is below saturation values for columbite and tantalite. Supercooling...mineral association. The columbite-group minerals (Fe2+,Mn)(Nb,Ta)2O6 consist of a solid solution between three |  | | Journal (article/letter/editorial) | | including Brazil (BASTOS 2002, DIRLAM et al. 2002), Canada (TEERSTSTRA et al. 1999, TINDLE et al. 2005), the...controversial. Liddicoatite from the McCombe pegmatite in Canada has been interpreted to have crystallized from...pegmatite, Czech Republic and liddicoatite from Manitoba, Canada has been interpreted to have crystallized...tourmaline and beryl as gemstones and columbite-tantalite and microlite concentrates. It contains well-formed...minerals helped to deļ¬ne the primary zones, as the Mn/Fe ratio increases with fractional crystallization |  | | Journal (article/letter/editorial) | | December 2013 Micas, feldspars and columbiteātantalite minerals from the zoned granitic lepidolite-subtype...thermometry records a decrease in temperature. Columbite-(Mn) shows a compositional trend from the outer intermediate...an undercooled melt. They are associated with tantalite, and Ta precipitation may have been caused by...lithium micas, albite, K-feldspar, columbiteātantalite minerals, gahnite, electron microprobe, pegmatite...presents the study of micas, feldspars and columbiteātantalite minerals to provide information on their geochemical |  | Marquez-Zavalia, M. F., Galliski, M. A., Cerny, P., Chapman, R. (2012) AN ASSEMBLAGE OF BISMUTH-RICH, TELLURIUM-BEARING MINERALS IN THE EL QUEMADO GRANITIC PEGMATITE, NEVADOS DE PALERMO, SALTA, ARGENTINA. The Canadian Mineralogist, 50 (6) 1489-1498 doi:10.3749/canmin.50.6.1489 | Journal (article/letter/editorial) | | Geological Sciences, University of Manitoba, Winnipeg, Manitoba R3T 2N2, Canada Abstract An assemblage of bismuth-rich...and NYF (NbāYāF). Among the LCT pegmatites, Tanco, Canada has a vast array of native elements, alloys...muscovite, fluorapatite, montebrasite, epidote, tantalite-(Mn) and altered triphylite. The medium-grained...quartz, albite and muscovite, with accessory tantalite-(Mn), fluorapatite and eosphorite. The coarse-grained...albite, quartz and muscovite, with accessory tantalite-(Mn); along one side of the pegmatite, this zone |  | KĆ¼ster, Dirk, Romer, Rolf L., Tolessa, Dandena, Zerihun, Desta, Bheemalingeswara, K., Melcher, Frank, OberthĆ¼r, Thomas (2009) The Kenticha rare-element pegmatite, Ethiopia: internal differentiation, UāPb age and Ta mineralization. Mineralium Deposita, 44 (7) 723-750 doi:10.1007/s00126-009-0240-8 | Journal (article/letter/editorial) | | rare-element pegmatite, a globally important tantalite source in the Neoproterozoic Adola Belt of southern... K/Tl 6,790ā3,730, Fe/Mn 19ā10, Nb/Ta 6.5ā3.8) and columbiteātantalite (Mn/Mn + Fe 0.4ā1, Ta/Ta + Nb...by hanging wall serpentinite. UāPb dating of Mn-tantalite from two zones of the Kenticha pegmatite gave...gave ages of 530.2Ā±1.3 and 530.0Ā±2.3 Ma. Mn-tantalite from the Bupo pegmatite, situated 9 km north of Kenticha...producing slightly peraluminous, I-type plutons in the area surrounding the Kenticha pegmatite field. Fractionated |  | Galliski, M. A., Marquez-Zavalia, M. F., Lira, R., Cempirek, J., Skoda, R. (2012) Mineralogy and Origin of the Dumortierite-Bearing Pegmatites of Virorco, San Luis, Argentina. The Canadian Mineralogist, 50 (4) 873-894 doi:10.3749/canmin.50.4.873 | Journal (article/letter/editorial) | | chrysoberyl, garnet, fluorapatite, columbite-(Mn) to tantalite-(Mn), pollucite, gahnite, zircon, uraninite...compositions to rossmanite, passing through schorl and Mn-rich elbaite. At least four generations of the dumortieriteāholtite...the San Luis Range, in Argentina (Fig. 1). This area is underlain by feldspathic quartzites, gneisses...in length dispersed on the slope of the hill. The area around the Virorco River is known for other occurrences...approximately 2500 m to the north of the location area of the dumortierite-bearing dikes. Sampling and |  | | Journal (article/letter/editorial) | | attributed to the crystallization of columbiteātantalite [(Mn2?, Fe2?) (Ta, Nb)2O6] (Linnen and Keppler...responsible for early saturation of columbiteātantalite in pegmatites. The purpose of this paper is to...et al. 1995; KlementovaĢ and Rieder 2004) Tanco, Canada pegmatite 2,576 25 56 300 5.4 100 Cs...(1995); ArmoricanāTarteĢse and Boulvais (2010); TancoāStilling et al. (2006) and ErzgebirgeāFoĢrster et...crustal Ta/Nb of 0.08) (Martins et al. 2012). In the Tanco pegmatite, magmatic micas have high concentrations |  | Graupner, T., Melcher, F., GƤbler, H.-E., Sitnikova, M., BrƤtz, H., Bahr, A. (2010) Rare earth element geochemistry of columbite-group minerals: LA-ICP-MS data. Mineralogical Magazine, 74 (4) 691-713 doi:10.1180/minmag.2010.074.4.691 | Journal (article/letter/editorial) | | concentrations and distribution patterns of columbite-tantalite minerals from Ta-ore provinces worldwide are presented...melt in a pegmatite body (either Nb ? Ta or Fe ? Mn fractionation lines, or both) results in smaller...K EY WORDS : LCT family pegmatites, columbite-tantalite, REE geochemistry, LA-ICP-MS data. Introduction...internal standard; for microlite, 44Ca was used. The Mn and Ca concentrations of each sample spot were previously... These include: (1) the Homestead pegmatite, Tantalite Valley, Namaqualand, Namibia, Neoproterozoic (Kibaran) |  | Dittrich, Thomas, Seifert, Thomas, Schulz, Bernhard, Hagemann, Steffen, Gerdes, Axel, PfƤnder, Jƶrg (2019) Archean Rare-Metal Pegmatites in Zimbabwe and Western Australia - Geology and Metallogeny of Pollucite Mineralisations. Springer International Publishing. doi:10.1007/978-3-030-10943-1 | Book | | and creation of a certain deposit or mineralized area. The series presents peer-reviewed monographs. The...Bikita in the Zimbabwe Craton and Tanco in the Superior Craton in Canada, where pollucite occurs in monomineralic...Neo-Archean ages at *2625 Ma. A closure of the Tanco Mine for safety reasons and an imminent depletion...Limited) for permissions to enter and sample the mine site at Cattlin Creek. Peter Stockman, Michael Herbert...working at Londonderry. The permissions to enter the area for the other pegmatite occurrences were granted |  | Yin, Rong, Huang, Xiao-Long, Xu, Yi-Gang, Wang, Ru-Cheng, Wang, He, Yuan, Chao, Ma, Qiang, Sun, Xiao-Ming, Chen, Lin-Li (2020) Mineralogical constraints on the magmaticāhydrothermal evolution of rare-elements deposits in the Bailongshan granitic pegmatites, Xinjiang, NW China. Lithos, 352. 105208 doi:10.1016/j.lithos.2019.105208 | Journal (article/letter/editorial) | | Xinjiang Province, NW China, is a newly discovered area of rare-element pegmatites. It is a superlarge LiāRb...Na-enriched veinlets in beryl, and the formation of Mn- and Ta-enriched veinlets coupled with micropores...particularly well represented by the Tanco Journal Pre-proof deposit in Canada, Koktokay No. 3 pegmatite in..., 2018; Xiao et al., 2002, 2005) (Fig. 1a). The area is Journal Pre-proof dominated by metasedimentary...standards: re SrBaNb4O12 (Nb), manganotantalite (Mn, Ta), olivine (Fe), scheelite (W), cassiterite lP |  | | Journal (article/letter/editorial) | | columbite-tantalite concentrate, or āColtan,ā that caused Ta mines in Australia and Canada to be placed... 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...% from tin slag refining and 10 % from secondary mine concentrates. Due to rapid industrialisation and...rock carbonatite deposit in Canada account for about 92 and 7 % of Nb world mine production, respectively |  | Yin, Rong, Wang, Ru Cheng, Zhang, Ai-Cheng, Hu, Huan, Zhu, Jin Chu, Rao, Can, Zhang, Hui (2015) CHEMICAL EVOLUTION AND LATE-STAGE RE-EQUILIBRATION OF Zr-Hf-U-BEARING COLUMBITE-GROUP MINERALS IN THE KOKTOKAY NO. 1 GRANITIC PEGMATITE, ALTAI, NORTHWESTERN CHINA. The Canadian Mineralogist, 53 (3) 461-478 doi:10.3749/canmin.1400091 | Journal (article/letter/editorial) | | (CGMs) not only display variations in Nb/Ta and Fe/Mn, but also are typified by noticeable Zr, Hf, and...values (0.06ā0.98) and moderate variations in Mn/(Fe + Mn) values (0.58ā0.99), which could be a result...35 wt.%. However, primary tantalite-(Mn) with Ta/(Nb + Ta) and Mn/(Fe + Mn) values of 0.63ā0.98 and 0...different grains and single grains of primary tantalite-(Mn). Crystal-chemical considerations suggest that...present in the tantalite-(Mn) structure due to the substitution 3(Zr,Hf,U)4+ = 2(Nb,Ta)5+ + (Fe,Mn)2+. In some |  | Liu, Chen, Wang, Ru-Cheng, Wu, Fu-Yuan, Xie, Lei, Liu, Xiao-Chi, Li, Xing-Kui, Yang, Lei, Li, Xue-Jiao (2020) Spodumene pegmatites from the Pusila pluton in the higher Himalaya, South Tibet: Lithium mineralization in a highly fractionated leucogranite batholith. Lithos, 358. 105421 doi:10.1016/j.lithos.2020.105421 | Journal (article/letter/editorial) | | as well as in granitic pegmatites (e.g., Tanco in Canada, pr ÄernĆ½ and Simpson, 1977; Stilling et...associated with minerals such as beryl, columbiteātantalite, and cassiterite, which are found in the albite...(Visona and Zantedeschi, 1994). This implies that this area hosts important Li mineralization and represents...the Chomogu, Cuore, and Longmapu regions over an area of ~100 km2 (Fig. 1b). This pluton comprises mainly... pegmatite dikes have been found in the Chomogu area (Fig. 2a). The dikes are mostly >10 m long and 0 |  | | Journal (article/letter/editorial) | | by microlite, of tantalite-(Mn) by microlite and (later) fersmite, and of columbite-(Mn) by fersmite. Chromium-bearing...fersmite, emerald beryl, schorlādravite, columbite, tantalite, Vigezzo Valley, Western Alps, Italy. Sommaire... de la tantalite-(Mn) par le microlite et (Ć©ventuellement) la fersmite, et de la columbite(Mn) par la...fersmite, bĆ©ryl Ć©meraude, schorlādravite, columbite, tantalite, vallĆ©e de Vigezzo, Alpes Occidentales, Italie...tapiolite-(Fe), ferrowodginite, columbite-(Mn), tantalite-(Mn), U-rich microlite and microlite. In particular |  | | Journal (article/letter/editorial) | | minerals from granitic apliteāpegmatite in the Gouveia area, central Portugal ANA M. R. NEIVA1,*, CARLOS L....and rare-element-class pegmatite in the Gouveia area show different zonation patterns. The berylācolumbite-subtype...Ti content and Ta/ (Ta Ć¾ Nb) ratio and a lower Mn/(Mn Ć¾ Fe) ratio than the first generation. The second...22 23 24 1. Introduction Zoning of columbiteātantalite minerals from granitic pegmatites has been studied...Serra area (Neiva et al., 2008), the Guarda-Belmonte area (Neiva & Ramos, 2010), the Sabugal area (Neiva |  | | Journal (article/letter/editorial) | | pegmatite includes columbite-(Fe), columbite-(Mn), tantalite-(Mn), stibiocolumbite, stibiotantalite, an as...Mn3UAs2Sb2Ta2Ti2O20, and holtite. Anomalous trends of Mn-Fe and Ta-Nb fractionation in the columbite group...fluid. Keywords: Columbite-(Fe), columbite-(Mn), tantalite-(Mn), stibiocolumbite, stibiotantalite, holtite...serpentinite in the Szklary massif is exposed over a small area (about 4 Ć 1 m), but can be recognized as a unique...stibiotantalite, paradocrasite, stibarsen, Mn-rich beusite, Mn-rich fluorapatite, hydroxylapatite, and chlorapatite |
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Tanco Mine, Bernic Lake, Lac-du-Bonnet area, Manitoba, Canada