 | | 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 Černý Department of Geological Sciences, University of Manitoba, Winnipeg, Manitoba...Manitoba R3T 2N2, Canada Abstract Isotopic ages for minerals of the Archean lithium–cesium–tantalum |  | | Journal (article/letter/editorial) | | Vol. 44, pp. 599-623 (2006) THE TANCO PEGMATITE AT BERNIC LAKE, MANITOBA. XVI. ZONAL AND BULK COMPOSITIONS...Geological Sciences, University of Manitoba, Winnipeg, Manitoba R3T 2N2, Canada Peter J. VANSTONE Tantalum...Corporation of Canada Ltd., Box 2000, Lac du Bonnet, Manitoba R0E 1A0, Canada Abstract The Tanco pegmatite...pegmatite deposit at Bernic Lake, in southeastern Manitoba, is a virtually completely hidden, essentially undeformed...zones are virtually monomineralic. The bulk mode of Tanco is granitic, except ~9 vol.% petalite (including |  | | Journal (article/letter/editorial) | | origins for zircon associated with tantalum mineralization in the Tanco pegmatite, Manitoba, Canada Marieke...Potsdam, Germany 1 abstract Complex textures in zircon associated with Ta oxides have been used to assess...assess the processes at the origin of zircon crystallization and associated Ta mineralization in pegmatites...hydrothermal processes. The Tanco pegmatite is used as an example because its zircon is devoid of post-magmatic...alteration and its petrogenesis is well constrained. Zircon in primary units is metamict with high U-Pb-Th |  | Chudík, P., Uher, P., Kohút, M., Bačík, P. (2008) Accessory columbite to tantalite, tapiolite and zircon: products of extreme fractionation in highly peraluminous pegmatitic granite from the Považský Inovec Mountains, Western Carpathians, Slovakia. Journal of GEOsciences, 53 (3-4) 323-334 | Journal (article/letter/editorial) | | Accessory columbite to tantalite, tapiolite and zircon: products of extreme fractionation in highly peraluminous...columbite-group minerals, tapiolite and Hf-rich zircon occur in Hercynian pegmatitic leucogranite near...Be or P. Columbite–tantalite, tapiolite and hafnian zircon form discrete crystals, 30 to 350 µm in size...03–0.04 and Ta/(Ta + Nb) = 0.88–0.97. Metamict zircon (5 to 120 μm in size) exhibits tiny uraninite inclusions...ferrocolumbite, ferrotantalite, ferrotapiolite, hafnian zircon, Hercynian pegmatitic leucogranite, Považský |  | Cerny, P., Ercit, T. S., Smeds, S.-A., Groat, L. A., Chapman, R. (2007) ZIRCONIUM AND HAFNIUM IN MINERALS OF THE COLUMBITE AND WODGINITE GROUPS FROM GRANITIC PEGMATITES. The Canadian Mineralogist, 45 (2) 185-202 doi:10.2113/gscanmin.45.2.185 | Journal (article/letter/editorial) | | Geological Sciences, University of Manitoba, Winnipeg, Manitoba R3T 2N2, Canada T. Scott ERCIT Research Division...Canadian Museum of Nature, Ottawa, Ontario K1P 6P4, Canada Sten-Anders SMEDS Department of Earth Sciences...Columbia V6T 1Z4, Canada Ron CHAPMAN Department of Geological Sciences, University of Manitoba, Winnipeg, Manitoba...Manitoba R3T 2N2, Canada Abstract Niobium–tantalum-oxide minerals from five localities with moderately...generally corresponds to its range in associated zircon–hafnon. Considerable depolymerization of highly |  | 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 MARTÍNEZ...Geological Sciences, University of Manitoba, Winnipeg, Manitoba R3T 2N2, Canada Abstract The paragenesis and...intergrowths of ferrotitanowodginite, inclusions of hafnian zircon, and late-stage cassiterite. From the wall...élevée en Zr, et ferrowodginite. Tous les membres du groupe de la wodginite ont une structure ordonnée...de petites unités à Ms + Ab + Qtz dans la bordure du noyau; elle montre une intercroissance avec la ferrotitanowodginite |  | | Journal (article/letter/editorial) | | Vol. 38, pp. 877-891 (2000) THE TANCO PEGMATITE AT BERNIC LAKE, MANITOBA. XIV. INTERNAL TOURMALINE JULIE...Geological Sciences, University of Manitoba, Winnipeg, Manitoba R3T 2N2, Canada MILAN NOVÁK¶ Department of...petalite-subtype Tanco granitic pegmatite, located about 180 km east-northeast of Winnipeg, near the Manitoba– Ontario...within individual tourmaline crystals, tourmaline at Tanco is characterized by the following sequence of crystallization:...pegmatite, petalite subtype, Tanco, Manitoba. SOMMAIRE La pegmatite granitique de Tanco, zonée, située environ |  | | Report (chapter) | | Pegmatites of Manitoba By B.B. Bannatyne Manitoba Energy and Mines Geological Services 1985 Manitoba Energy...studies . 3 Pegmatites in the Falcon Lake-West Hawk Lake area . Lucy pegmatite. Results of the drill... . .. . Molybdenite pegmatites in the Falcon Lake area . . .. .. . . . . .. . . . . . . . . . . . . ...Hawk Lake. . . . . . . . . . . . . . . . .. . . . . Radioactive minerals in pegmatites , Caddy Lake-Telford...Lake-Telford area . ...... ... Libby claim ........ . .. .... . . . ... . . . . . . . Found , Found 2 and Found |  | Yin, R., Wang, R. C., Zhang, A.-C., Hu, H., Zhu, J. C., Rao, C., Zhang, H. (2013) Extreme fractionation from zircon to hafnon in the Koktokay No. 1 granitic pegmatite, Altai, northwestern China. American Mineralogist, 98 (10) 1714-1724 doi:10.2138/am.2013.4494 | Journal (article/letter/editorial) | | pages 1714–1724, 2013 Extreme fractionation from zircon to hafnon in the Koktokay No. 1 granitic pegmatite...pegmatite located in Altai, northwestern China. Zircon is present in most textural zones of this pegmatite... Here we describe the detailed associations of zircon with other minerals, and the internal textures...textures and chemistry of the zircons. Most zircon grains from the contact zone have relatively low HfO2 (<9...of one such grain has high HfO2 (18.0–18.7 wt%). Zircon grains from the aplite zone contain <9.6 wt% HfO2 |  | Wang, R. C., Zhao, G. T., Lu, J. J., Chen, X. M., Xu, S. J., Wang, D. Z. (2000) Chemistry of Hf-rich zircons from the Laoshan I- and A-type granites, Eastern China. Mineralogical Magazine, 64 (5) 867-877 doi:10.1180/002646100549850 | Journal (article/letter/editorial) | | University, Qingdao 266003, P.R. China ABSTR ACT Zircon commonly occurs as one of important accessory HFSE-bearing...detailed electron microprobe study was carried out on zircon from the Laoshan complex, Eastern China, which...which is composed of I- and A-type granites. Zircon from the I-type rocks is relatively poor in trace elements...A-type rocks is richer in Hf, U, Th and Y. Hafnian zircon with a HfO2 content of up to 12.37 wt.% was...observed at the rims of zircon crystals relative to the cores. The Hf enrichment in zircon, and the association |  | Kempe, U., Gruner, T., Renno, A. D., Wolf, D., René, M. (2004) Discussion on Wang et al. (2000) ‘Chemistry of Hf-rich zircons from the Laoshan I- and A-type granites, Eastern China’, Mineralogical Magazine, 64, 867–877. Mineralogical Magazine, 68 (4) 669-675 doi:10.1180/0026461046840211 | Journal (article/letter/editorial) | | interesting new data on the occurrence of Hf-rich zircon in peralkaline granitic rocks. It is shown that...that the knowledge of the Hf distribution in zircon is important for the understanding of Zr/Hf ratios defined...rare-metal bearing granites may be P-rich and contain zircon moderately enriched in Hf (2 9 wt.% HfO2). Another...group is P-poor and the Hf content in accessory zircon is high (up to 35 wt.% HfO2). Both types of intrusions...(Germany/Czech Republic). K EY WORDS : hafnium, zircon, Laoshan, China. Introduction ACCORDING to our |  | 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 magmatic–hydrothermal 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 Li–Rb...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...(P), and CaMnSi2O6 (Mn). For zircon, the Jo ur standards were zircon (Zr, Si), metallic Hf (Hf), U...elements and the chemical heterogeneities in small area in single crystal. The Journal Pre-proof operating |  | Zhang, A. C., Wang, R. C., Jiang, S. Y., Hu, H., Zhang, H. (2008) CHEMICAL AND TEXTURAL FEATURES OF TOURMALINE FROM THE SPODUMENE-SUBTYPE KOKTOKAY No. 3 PEGMATITE, ALTAI, NORTHWESTERN CHINA: A RECORD OF MAGMATIC TO HYDROTHERMAL EVOLUTION. The Canadian Mineralogist, 46 (1) 41-58 doi:10.3749/canmin.46.1.41 | Journal (article/letter/editorial) | | No. 3, dans la chaîne Altaï, du nord–ouest de la Chine, fait partie du sous-type à spodumène. Nous décrivons...dépend des diverses contributions de composantes du socle ou de la pegmatite même. La tourmaline des...internes possèdent une proportion plus importante du lacunes au site X que l’elbaïte–schorl des zones...marquant l’évolution de la tourmaline dans la pegmatite du sous-type à spodumène Koktokay No. 3 sont semblables...ite, spessartine– almandite, fluorapatite, and zircon. No tourmaline grains were found in this zone. |  | | Journal (article/letter/editorial) | | Territories, Canada M. A. Wise* and P. (~ern~ Department of Geological Sciences, University of Manitoba, Winnipeg...Winnipeg, Manitoba, Canada With 9 Figures Received November 14, 1989; accepted May 16, 1990 Summary Microlite...Yellowknife pegmatite field, Northwest Territories, Canada, rare microscopic grains of microlite were found...(Wise, 1987). Microlite was first reported from the area by Meintzer et al. (1984) and Wise et al. (1985)...0.3,,q" 0.2 0.2' ® GREER L A K E + HARDING 0 TANCO o YELLOWKNIFE o O o [] o 0.1' + + [] D 0 |  | Van Lichtervelde, M., Salvi, S., Beziat, D., Linnen, R. L. (2007) Textural Features and Chemical Evolution in Tantalum Oxides: Magmatic Versus Hydrothermal Origins for Ta Mineralization in the Tanco Lower Pegmatite, Manitoba, Canada. Economic Geology, 102 (2) 257-276 doi:10.2113/gsecongeo.102.2.257 | Journal (article/letter/editorial) | | Origins for Ta Mineralization in the Tanco Lower Pegmatite, Manitoba, Canada MARIEKE VAN LICHTERVELDE,†,* STEFANO...Sciences, University of Waterloo, Waterloo, Ontario, Canada N2L 3G1 Abstract Tantalum, a key element in the...textures in such complex rocks. In the Tanco pegmatite, Manitoba, Canada, tantalum mineralization shows a complexity...occur in various associations and compositions. The Tanco Lower pegmatite is an isolated body beneath the...mica alteration. Tantalum mineralization in the Tanco Lower pegmatite occurs as three different styles |  | Zhang, A. C., Wang, R. C., Hu, H., Zhang, H., Zhu, J. C., Chen, X. M. (2004) Chemical evolution of Nb-Ta oxides and zircon from the Koktokay No. 3 granitic pegmatite, Altai, northwestern China. Mineralogical Magazine, 68 (5) 739-756 doi:10.1180/0026461046850216 | Journal (article/letter/editorial) | | 739–756 Chemical evolution of Nb-Ta oxides and zircon from the Koktokay No. 3 granitic pegmatite, Altai...IV) and inner zones (V to IX). Nb-Ta oxides and zircon are investigated in this paper by using quantitative...backscattered-electron (BSE) imaging. Columbite-tantalite and zircon occur in most textural zones, whereas tapiolite...mainly restricted to zone VII. Manganocolumbite and zircon from the outer zones (zones II and IV) are homogeneous...few exceptions, whereas manganotantalite and hafnian zircon from the inner zones (V VII) are obviously |  | Zhu, Ze-Ying, Wang, Ru-Cheng, Che, Xu-Dong, Zhu, Jin-Chu, Wei, Xing-Lin, Huang, Xiao'e (2015) Magmatic–hydrothermal rare-element mineralization in the Songshugang granite (northeastern Jiangxi, China): Insights from an electron-microprobe study of Nb–Ta–Zr minerals. Ore Geology Reviews, 65. 749-760 doi:10.1016/j.oregeorev.2014.07.021 | Journal (article/letter/editorial) | | Columbite-group minerals Nb–Ta–Sn–W mineral assemblage Zircon Fractionation Magmatic–hydrothermal The Songshugang...columbite-group minerals and Hf# [Hf/(Zr + Hf)] of zircon are nearly constant within each type of rocks....electron imaging revealed that Nb–Ta oxides and zircon of the Songshugang granite, especially those of...assemblages, the earlystage zircon is commonly included by the later-stage zircon with sharply boundary. They...contrasting Hf contents, and HfO2 of the later-stage zircon is up to 28.13 wt.%. Petrographic features indicate |  | | Journal (article/letter/editorial) | | Sciences, University of Waterloo, Waterloo, Ontario, Canada, N2L 3G1 2 Bayerisches Geoinstitut, Universität...accepted in revised form April 22, 2002) Abstract—Zircon (ZrSiO4) and hafnon (HfSiO4) solubilities in water-saturated...800° and 1035°C at 200 MPa. The solubilities of zircon and hafnon in metaluminous or peraluminous melts...peralkaline melt. Moreover, the molar ratio of zircon and hafnon solubility is a function of melt composition...solubilities are nearly identical in peralkaline melts, zircon on a molar basis is up to five times more soluble |  | Li, Jie, Huang, Xiao-Long, He, Peng-Li, Li, Wu-Xian, Yu, Yang, Chen, Lin-li (2015) In situ analyses of micas in the Yashan granite, South China: Constraints on magmatic and hydrothermal evolutions of W and Ta–Nb bearing granites. Ore Geology Reviews, 65. 793-810 doi:10.1016/j.oregeorev.2014.09.028 | Journal (article/letter/editorial) | | the Yashan granitic pluton, located in the Yichun area of western Jiangxi province, South China, hosts...and Li in mica and SC increasing Hf, U and P in zircon is also concert with the magmatic evolution from...Nb/Ta ratio in mica and the lowest Zr/Hf ratio in zircon. Ta-Nb enrichment was closely related to the D... MA NU SC RI PT magmatic evolution; mica; zircon; South China ACCEPTED MANUSCRIPT 1. Introduction...The Yashan granitic pluton, located in the Yichun area of western AC CE P Jiangxi province, South China |  | Hoshino, Mihoko, Kimata, Mitsuyoshi, Nishida, Norimasa, Shimizu, Masahiro, Akasaka, Takeshi (2010) Crystal chemistry of zircon from granitic rocks, Japan: genetic implications of HREE, U and Th enrichment. Neues Jahrbuch für Mineralogie - Abhandlungen, 187 (2) 167-188 doi:10.1127/0077-7757/2010/0177 | Journal (article/letter/editorial) | | Stuttgart, July 2010 Article Crystal chemistry of zircon from granitic rocks, Japan: genetic implications...Akasaka With 8 figures and 10 tables Abstract: Zircon from granitic rocks, Japan is classified into two...6 wt% ThO2. The crystal structure refinement of zircon from the Takenouchi granitic pegmatite has for...Zr4++Si4+. Furthermore, incorporation of U and Th into zircon is primarily governed by coupling the thorite substitution...the coffinite substitution U4+ + Th4+ ↔ 2Zr4+. Zircon crystals from granites and granite pegmatites, |  | 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 Černý and Simpson, 1977; Stilling et...(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...and beryl rn The Cuore pegmatites crop out in an area of 40 km2 between Mount Pusila and Jo u Mount |  | | Report (issue) | | Energy, Mines and Resources Canada E:nergie, Mines et Ressourees Canada Canada THE ENERGY OF OUR RESOURCES...Gypsum (selenite) - Red River Floodway, Winnipeg, Manitoba. Specimen measures 7 cm from left to right. National...no. 17206. GSC 204971-1 Geological Survey of Canada Miscellaneous Report 49 ROCKS AND MINERALS FOR... © Minister of Supply and Services Canada 1991 Available in Canada through authorized bookstore agents...bookstores or by mail from Canada Communication Group - Publishing Ottawa, Canada KIA OS9 and from. Geological |  | Breiter, Karel, Förster, Hans-Jürgen, Škoda, Radek (2006) Extreme P-, Bi-, Nb-, Sc-, U- and F-rich zircon from fractionated perphosphorous granites: The peraluminous Podlesí granite system, Czech Republic. Lithos, 88 (1) 15-34 doi:10.1016/j.lithos.2005.08.011 | Journal (article/letter/editorial) | | com/locate/lithos Extreme P-, Bi-, Nb-, Sc-, U- and F-rich zircon from fractionated perphosphorous granites: The...Krušné Hory Mts., Czech Republic, contain accessory zircon with extraordinary enrichment of several elements...elements, which constitute trace elements in common zircon. Elements showing a not yet reported anomalous...that significant Al may enter the Si position in zircon. Incorporation of other exotic elements is primarily...altered parts of zircon contained in the protolithionite granite. Most of the zircon from F-rich greisens |  | Demartis, Manuel, Melgarejo, Joan Carles, Colombo, Fernando, Alfonso, Pura, Coniglio, Jorge Enrique, Pinotti, Lucio Pedro, D’Eramo, Fernando Javier (2014) EXTREME F ACTIVITIES IN LATE PEGMATITIC EVENTS AS A KEY FACTOR FOR LILE AND HFSE ENRICHMENT: THE ÁNGEL PEGMATITE, CENTRAL ARGENTINA. The Canadian Mineralogist, 52 (2) 247-269 doi:10.3749/canmin.52.2.247 | Journal (article/letter/editorial) | | fluorapatite, pollucite, columbite-(Mn), and Hf-rich zircon. Muscovite II replaces montebrasite and muscovite...lined polygon corresponds to the extension of the area amplified in Figure 1c, and the dashed rectangle...the CPF. The black dashed rectangle indicates the area shown in Figure 1d. The different groups of pegmatites...of the later units, and only some relics remain. Zircon also occurs as a relict accessory phase from the...ARGENTINA Fig. 2. (a) Geological sketch map of the area of the replacement unit, Ángel pegmatite. Several |  | | Journal (article/letter/editorial) | | : 10.2113/gscanmin.45.3.509 THE COMPOSITION OF ZIRCON IN THE PERALUMINOUS HERCYNIAN GRANITES OF THE SPANISH...Wien, Austria Abstract We have investigated the zircon from granites of the Spanish Central System (SCS)...compositional evolution of zircon. We recognize two types of magmatic zircon. Type-1 zircon consists of euhedral...in granodiorite and monzogranite plutons. Type-2 zircon is characterized by smaller and more equant crystals...in leucogranites, aplites and pegmatites. Type-2 zircon shows the highest concentrations of Hf (16.58 wt |
|
