 | | Journal (article/letter/editorial) | | ON TANTALUM MINERALIZATION IN THE TANCO GRANITIC PEGMATITE, MANITOBA Marieke VAN LICHTERVELDE§ Laboratoire...University of Waterloo, Waterloo, Ontario N2L 3G1, Canada Stefano SALVI and Didier BEZIAT Laboratoire des...on Ta mineralization. The Tanco granitic pegmatite, in southeastern Manitoba, not only is emplaced in...also encloses rafts of the host metagabbro, and mine geologists have observed abnormally high Ta concentrations...high-grade Ta part of the mine. The chosen area consists of cells that mimic the Tanco pegmatite, i.e., it |  | Galliski, Miguel Ángel, Márquez-Zavalía, María Florencia, Černý, Petr, Lira, Raúl, Colombo, Fernando, Roberts, Andrew C., Bernhardt, Heinz-Jürgen (2016) Achalaite, Fe2+TiNb2O8, a new member of the wodginite group from the La Calandria Granitic pegmatite, Córdoba, Argentina. The Canadian Mineralogist, 54 (4) 1043-1052 doi:10.3749/canmin.1500094 | Journal (article/letter/editorial) | | ACHALAITE, Fe2þTiNb2O8, A NEW MEMBER OF THE WODGINITE GROUP FROM THE LA CALANDRIA GRANITIC PEGMATITE, CÓRDOBA...Geological Sciences, University of Manitoba, Winnipeg, Manitoba R3T 2N2, Canada RAÚL LIRA CONICET, Museo de...ROBERTS Geological Survey of Canada, 601 Booth Street, Ottawa, Ontario, Canada K1A 0E8 HEINZ-JÜRGEN BERNHARDT...ABSTRACT Achalaite is a new mineral of the wodginite group from the La Calandria granitic pegmatite, Cañada...exsolutions of Ta-rich rutile and intergrown with microlite-group minerals. Achalaite has a black color and streak |  | | Report (issue) | | Hydroxykenomicrolite Crystal Data: Cubic. Point Group: 4/m 3 2/m. As cubo-octahedral crystals; granular...(551) 13.6, (589) 13.6, (656) 13.0 Cell Data: Space Group: Fd3 m. a = 10.496-10.515 Z=8 X-ray Powder Pattern:...12)Σ=2.00 [O5.69(OH, F)0.31]Σ=6.00. (3) Tanco pegmatite, Canada; by electron microprobe, H2O calculated...22]Σ=6.00. Mineral Group: Pyrochlore supergroup (general formula - A2B2X6Y); microlite group (B = Ta5+). Occurrence:...pegmatites. Association: Simpsonite, stibiotantalite, microlite, wodginite, tantalite, pollucite, sosedkoite (Kola |  | Černý, 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 – PEGMATITE SUITE AT RED CROSS LAKE, MANITOBA, CANADA. IV. MINERALOGY Petr ČERNݧ , 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...pegmatite, K–Rb feldspars, K–Rb–Cs micas, garnet group, tourmaline supergroup, pollucite, tantalite-(Mn)...mylonitization, Red Cross Lake, Manitoba. Introduction The Red Cross Lake granitic suite, located in |  | | Journal (article/letter/editorial) | | Xavier University, Antigonish, Nova Scotia B2G 2W5, Canada 1 Abstract Diomignite (Li2B4O7) is discredited...inclusion in spodumene from the Tanco pegmatite in southeastern Manitoba, Canada. However, detailed study of...crystalrich inclusions in spodumene and petalite from the Tanco pegmatite was predicated on the assumption that...textures and rare element oxide mineralization in the Tanco pegmatite. Keywords: Diomignite, discreditation...as a new mineral from the Tanco pegmatite in southeastern Manitoba, Canada. It was the first mineral |  | Dittrich, Thomas, Seifert, Thomas, Schulz, Bernhard, Hagemann, Steffen, Gerdes, Axel, Pfänder, Jörg (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 | | focused on a single mineral deposit or a limited group of deposits (sub-regional level), with regard to...and creation of a certain deposit or mineralized area. The series presents peer-reviewed monographs. The...limited. Cs resources can be categorised into one group of potassium salts, sedimentary rocks and seawater...resource group of commercial importance is LCT pegmatites that contain the rare zeolite group cesium mineral...Bikita in the Zimbabwe Craton and Tanco in the Superior Craton in Canada, where pollucite occurs in monomineralic |  | Küster, Dirk, Romer, Rolf L., Tolessa, Dandena, Zerihun, Desta, Bheemalingeswara, K., Melcher, Frank, Oberthür, Thomas (2009) The Kenticha rare-element pegmatite, Ethiopia: internal differentiation, U–Pb age and Ta mineralization. Mineralium Deposita, 44 (7) 723-750 doi:10.1007/s00126-009-0240-8 | Journal (article/letter/editorial) | | producing slightly peraluminous, I-type plutons in the area surrounding the Kenticha pegmatite field. Fractionated...amounts of other, less common Ta oxides (e.g., microlite, ixiolite, wodginite). The ore concentrates typically...represents a globally important tantalum source. The mine produces around 120 t tantalum concentrate (~55%...pegmatites in Australia (Greenbushes, Wodgina) or Canada (Tanco). We have carried out a whole-rock geochemical...chemistry of muscovite and columbite– tantalite group minerals (CGM). These data sets are used to characterize |  | | Book | | of Earth Science University of Manitoba, Winnipeg Manitoba R3T 2N2 Canada Prof. Dr. FRANCIS SAUPE Centre...(with 21 Figures) . . . . . . 3 27 Pyrochlore Group Minerals from the Qaqarssuk Carbonatite Complex...International Mineralogical Association (IMA). A group name, bastnaesite, for instance, is proposed for...element to the group name: bastnaesite-(La), bastnaesite-(Y) etc. Table 1 gives these group names with the...the different predominating elements. Table 1. Group names ofrare-earth minerals Halides Fluocerite |  | Andrade, M. B., Atencio, D., Filho, L. A. D. M., Ellena, J. (2011) TThe structure of a microlite-group mineral with a formula near NaCaTa2O6F from the Morro Rendondo Mine, Coronel Murta, Minas Gerais. The Canadian Mineralogist, 49 (2) 615-621 doi:10.3749/canmin.49.2.615 | Journal (article/letter/editorial) | | STRUCTURE OF A MICROLITE-GROUP MINERAL WITH A FORMULA NEAR NaCaTa2O6F FROM THE MORRO REDONDO MINE, CORONEL...data for a microlite-group mineral with a formula near NaCaTa2O6F from the Morro Redondo mine, Coronel...of these data is presented here. Keywords: microlite group, “fluorcalciomicrolite”, fluornatromicrolite...minéral du groupe du microlite ayant une formule voisine de NaCaTa2O6F, provenant de la mine Morro Redondo...Selon la nouvelle nomenclature des minéraux du super groupe du pyrochlore, il s’agit d’une composition intermédiaire |  | 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 (Nb–Y–F). Among the LCT pegmatites, Tanco, Canada has a vast array of native elements, alloys...(#1383 and 1384) were lost at the University of Manitoba, which precluded any additional analyses. New...late generation of a U-rich member of the microlite group, which upon metamictization generated fractures...sulfosalts, especially those belonging to the stannite group, are less common, but nevertheless are encountered |  | Atencio, D., Filho, R. R. C., Mills, S. J., Coutinho, J. M. V., Honorato, S. B., Ayala, A. P., Ellena, J., de Andrade, M. B. (2011) Rankamaite from the Urubu pegmatite, Itinga, Minas Gerais, Brazil: Crystal chemistry and Rietveld refinement. American Mineralogist, 96 (10) 1455-1460 doi:10.2138/am.2011.3594 | Journal (article/letter/editorial) | | Columbia, Vancouver, British Columbia V6T 1Z4, Canada 4 Departamento de Física, Universidade Federal...“tungsten bronze” (OTB), crystallizing in the space group Cmmm. Its unit-cell parameters refined from X-ray...Siberia, Russia (Nekrasov et al. 1984); (4) Tanco, Manitoba, Canada (Černý et al. 1996, 1998); and (5) the...pegmatites between Goma and Masisi to the northwest of Lake Kivu, long before its discovery. The potassium analog...along fractures and intergranular contacts in microlite-group minerals and stibiotantalite. Here we describe |  | | Journal (article/letter/editorial) | | rare-element granitic pegmatites: Separation Lake area, N.W. Ontario, Canada A. G. Tindle1 and F. W. Breaks2 1 ...and Mineral Research Centre, Sudbury, Ontario, Canada With 10 Figures Received April 30, 1999; revised...Separation Lake area is host to the most important rare-element pegmatites in Ontario, Canada. They include...resulted in increased ¯uorine activity (as seen in microlite compositions) and that in situ fractionation of...Columbit-Tantalit aus granitischen Pegmatiten, Separation Lake-Gebiet, Nordwest-Ontario, Kanada 166 A. G. Tindle |  | 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) | | LATE-STAGE RE-EQUILIBRATION OF Zr-Hf-U-BEARING COLUMBITE-GROUP MINERALS IN THE KOKTOKAY NO. 1 GRANITIC PEGMATITE...main Nb-Ta oxides in this pegmatite, columbite-group minerals (CGMs) not only display variations in Nb/Ta...crystallization and evolution of this pegmatite. Columbite-group minerals record large variations in Ta/(Nb + Ta)...phase, uraninite, and U-rich member of the microlite group of minerals. In a similar way, the primary... Keywords: Koktokay No. 1 pegmatite, columbite-group minerals, Zr-Hf-U bearing, MnZrTa2O8 phase, zircon |  | Galliski, Miguel Ángel, Márquez-Zavalía, María Florencia, Škoda, Radek, Novák, Milan, Čopjaková, Renata, Pagano, Diego Sebastián (2019) A Ta,Ti–rich oxide mineral assemblage from the Nancy beryl–columbite–phosphate granitic pegmatite, San Luis, Argentina. Mineralogy and Petrology, 113 (5) 687-701 doi:10.1007/s00710-019-00673-z | Journal (article/letter/editorial) | | Keywords Tantalite-(Mn) . Tantalian rutile . Wodginite-group minerals . Hydroxycalciomicrolite . Rare-element...columbite-group minerals, wodginite-group minerals, niobian or tantalian rutile and pyrochlore-group minerals...ferrotitanowodginite, tantalian rutile and microlite-group minerals that occurs in a LCT rare-element...pegmatite showing the main geological units of the area Along the contact between K-feldspar + quartz of...concentration of elements was calculated from the peak area of isotopes, and using SRM NIST 614, 612 and 610 |  | Loun, Jan, Novák, Milan, Cempírek, Jan, Škoda, Radek, Vašinová Galiová, Michaela, Prokeš, Lubomír, Dosbaba, Marek, Čopjaková, Renata (2018) Geochemistry and secondary alterations of microlite from eluvial deposits in the Numbi mining area, South Kivu, Democratic Republic of the Congo. The Canadian Mineralogist, 56 (2) 203-220 doi:10.3749/canmin.1700091 | Journal (article/letter/editorial) | | SECONDARY ALTERATIONS OF MICROLITE FROM ELUVIAL DEPOSITS IN THE NUMBI MINING AREA, SOUTH KIVU, DEMOCRATIC...37 Brno, Czech Republic ABSTRACT Microlite and U-enriched microlite were found in eluvium close to highly...~1000–900 Ma old Kibara belt unit, Numbi mining area, South Kivu province of the Democratic Republic...cassiterite . microlite-group minerals (microlite þ U-enriched microlite) . columbite-group minerals (columbite–tantalite)...Misumari II pegmatite (berylcolumbite subtype) microlite . cassiterite, columbite–tantalite þ wodginite–ferrowodginite |  | Galliski, Miguel Ángel, Márquez-Zavalía, María Florencia, Černý, Petr, Lira, Raúl (2016) Complex Nb-Ta-Ti-Sn Oxide Mineral Intergrowths In The La Calandria Pegmatite, Cañada Del Puerto, Córdoba, Argentina. The Canadian Mineralogist, 54 (4) 899-916 doi:10.3749/canmin.1500095 | Journal (article/letter/editorial) | | Geological Sciences, University of Manitoba, Winnipeg, Manitoba R3T 2N2, Canada RAÚL LIRA CONICET, Museo de...Devonian granitic pegmatites at the La Calandria mine, Cañada del Puerto, shows complex intergrowths...in the geological map of the Cañada del Puerto area (modified from Gaido et al. 2005). Lichtervelde...Ta-rich rutile, ferrotitanowodginite, columbite-group minerals, and cassiterite that occurs in La Calandria...leucogranite of calc-alkaline peraluminous affinity. In this area, gneiss, amphibolite, marble, and locally skarn |  | | Journal (article/letter/editorial) | | consist of cassiterite, zircon, struverite and microlite group minerals. Results indicate that magmatic-hydrothermal...is obtained from just one group of minerals: the columbite–tantalite group. Other minerals of economic...(orthorhombic FeTa2O6), the microlite group, the wodginite group and the ixiolite group. Tin-slag material containing...to several geotectonic zones. The Gaia-Maçainhas area is part of the Central Iberian Zone (Julivert et...deformation phases (D1–D3) are recognized in the area. Late NE-SW quartz veins and WNW–ESE dikes of mafic |  | Melcher, Frank, Graupner, Torsten, Gäbler, Hans-Eike, Sitnikova, Maria, Henjes-Kunst, Friedhelm, Oberthür, Thomas, Gerdes, Axel, Dewaele, Stijn (2015) Tantalum–(niobium–tin) mineralisation in African pegmatites and rare metal granites: Constraints from Ta–Nb oxide mineralogy, geochemistry and U–Pb geochronology. Ore Geology Reviews, 64. 667-719 doi:10.1016/j.oregeorev.2013.09.003 | Journal (article/letter/editorial) | | granitic rare-element IP pegmatites. Columbite-group minerals (CGM) account for the majority of the current...rare-element pegmatites (Černý et al., 2005). Columbite-group minerals (columbite-tantalite solid solution series;...worldwide (e.g., MA Greer Lake and Tanco pegmatites, Manitoba, Canada, Černý et al., 1986, Van Lichtervelde...members of the orthorhombic columbite-tantalite group (CGM) with the general formula AB2O6 (A = Fe2+,...subgroup with (Nb+Ta) > 2 Ti and Nb > Ta, and the microlite subgroup with (Nb+Ta) > 2 Ti and Nb < Ta. The |  | McNeil, Alysha G., Linnen, Robert L., Flemming, Roberta L. (2020) Solubility of wodginite, titanowodginite, microlite, pyrochlore, columbite-(Mn) and tantalite-(Mn) in flux-rich haplogranitic melts between 700° and 850 °C and 200 MPa. Lithos, 352. 105239 doi:10.1016/j.lithos.2019.105239 | Journal (article/letter/editorial) | | Pre-proof Solubility of wodginite, titanowodginite, microlite, pyrochlore, columbite-(Mn) and tantalite-(Mn)...L., Solubility of wodginite, titanowodginite, microlite, pyrochlore, columbite-(Mn) and tantalite-(Mn)...columbite, tantalite, wodginite, titanowodginite, microlite and pyrochlore. Solubility and crystallization...the solubilities of wodginite, titanowodginite, microlite and pyrochlore are compared to those for columbite-(Mn)...solubilities of wodginite, titanowodginite, and microlite compared to tantalite-(Mn) is also investigated |  | Atencio, D., Andrade, M. B., Christy, A. G., Giere, R., Kartashov, P. M. (2010) The pyrochlore supergroup of minerals: nomenclature. The Canadian Mineralogist, 48 (3) 673-698 doi:10.3749/canmin.48.3.673 | Journal (article/letter/editorial) | | has been referred to until now as the pyrochlore group should be referred to as the pyrochlore supergroup...and W. The recommended groups are pyrochlore, microlite, roméite, betafite, and elsmoreite, respectively...and one root name (identical to the name of the group). The first prefix refers to the dominant anion...nomenclature, pyrochlore group, microlite group, betafite group, roméite group, elsmoreite group. Sommaire Nous...système de nomenclature pour les minéraux du supergroupe du pyrochlore, sanctionné par le Comité des Noms |  | Szuszkiewicz, Adam, Pieczka, Adam, Szełęg, Eligiusz, Turniak, Krzysztof, Ilnicki, Sławomir, Nejbert, Krzysztof (2016) The Euxenite-Group Minerals and Products of Their Alteration In The Hybrid Julianna Granitic Pegmatite, Piława GÓrna, Sudetes, Southwestern Poland. The Canadian Mineralogist, 54 (4) 879-898 doi:10.3749/canmin.1600023 | Journal (article/letter/editorial) | | (2016) DOI: 10.3749/canmin.1600023 THE EUXENITE-GROUP MINERALS AND PRODUCTS OF THEIR ALTERATION IN THE...Polycrase-(Y) and euxenite-(Y) represent the euxenite-group minerals (EGM) that formed as magmatic minerals...Ti-bearing ixiolite 6 ferrowodginite samarskite-group minerals [ishikawaite samarskite-(Y)] EGM in...THE CANADIAN MINERALOGIST INTRODUCTION Euxenite-group minerals (EGM) are characteristic accessory phases...the previously studied columbite- and samarskite-group minerals (CGM and SGM, respectively) (Pieczka et |  | Guang, Fan, Xiangkun, Ge, Guowu, Li, Apeng, Yu, Ganfu, Shen (2017) Oxynatromicrolite,
(Na,Ca,U)2Ta2O6(O,F), a new member of
the pyrochlore supergroup from Guanpo, Henan Province, China. Mineralogical Magazine, 81 (4) 743-751 doi:10.1180/minmag.2016.080.121 | Journal (article/letter/editorial) | | recrystallizes in the cubic system, with space group Fd3m and with unit-cell parameters similar those...: oxynatromicrolite, new mineral species, microlite group, pyrochlore supergroup, Guanpo, Henan, China...crystallize in the isometric crystal system (space group Fd3m or its subgroup) with a unit cell characterized...distribution of granitic pegmatite dykes in the Guanpo area [revised after Zhang (1974)]. Key: 1: lepidolite...Guanpo town lies outside this figure. (Nb), microlite (Ta), betafite (Ti), roméite (Sb) and elsmoreite |  | | Journal (article/letter/editorial) | | surrounded by red dendritic amblygonite in the Tanco pegmatite; right: Albite laths surrounded by bubbles...comparable to dendritic Nb-Ta oxides observed in the Tanco pegmatite (right). References BARTELS, A. (2012):...is reviewed. Members of the columbite-tantalite group are the most common and economically important,...mechanisms are proposed. An attempt is made to group Ta-(Nb-Sn-Li) deposits into the LCT (Li-Cs-Ta),...members of the orthorhombic columbite-tantalite group with the general formula AB2O6 (A = Fe2+, Mn2+ and |  | | Thesis/Dissertation | | http://www.duo.uio.no/ Abstract In the Kragerø area in South Norway, tourmaline is commonly found in...‘Terrane’, respectively. The Lindvikskollen pegmatite area was the focus of field work and sampling of rocks...similar ages to the pegmatites is exposed in the area. In the case of the Lindvikskollen pegmatite, which...addition, I want to thank the Activation Labs in Canada, for performing the whole-rock ICP-MS analyses...Bulk chemistry composition of the Lindvikskollen area rocks ......................................... |  | Breiter, Karel, Korbelová, Zuzana, Chládek, Štěpán, Uher, Pavel, Knesl, Ilja, Rambousek, Petr, Honig, Sven, Šešulka, Vojtěch (2017) Diversity of Ti–Sn–W–Nb–Ta oxide minerals in the classic granite-related magmatic–hydrothermal Cínovec/Zinnwald Sn–W–Li deposit (Czech Republic) European Journal of Mineralogy, 29 (4) 727-738 doi:10.1127/ejm/2017/0029-2650 | Journal (article/letter/editorial) | | uppermost part of the cupola, Ta-rich cassiterite, microlite and pyrochlore are frequently observed. The greisens...cassiterite, which are accompanied by columbite-group minerals, rare W-rich ixiolite and qitianlingite...rutile; cassiterite; scheelite; wolframite; columbite-group minerals; pyrochlore-supergroup minerals; granite;... Columbite, cassiterite, rare pyrochlore and microlite 21 Quartz veins with greisen selwages, GR Borehole...is the Teplice rhyolite caldera, which covers an area of approximately 40 km 20 km (Breiter, 1997). |
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