 | | Journal (article/letter/editorial) | | cassiterite and columbite group minerals from Archean Li-Cs-Ta type pegmatites of Western Australia Lillian A...cassiterite and columbite group minerals from Archean Li-CsTa type pegmatites of Western Australia, LITHOS,...geochronological data from Li-Cs-Ta pegmatites across Western Australia, that vary in age, host lithology and geodynamic...applying in situ LA-ICPMS U-Pb methods to date columbite group minerals and cassiterite samples. In a novel...cassiterite and columbite group 2 minerals from Archean Li-Cs-Ta type pegmatites of Western Australia 3 4 Lillian |  | | Journal (article/letter/editorial) | | âconflictâ columbite-tantalite concentrate, or âColtan,â that caused Ta mines in Australia and Canada...% from tin slag refining and 10 % from secondary mine concentrates. Due to rapid industrialisation and...Canada account for about 92 and 7 % of Nb world mine production, respectively. Since the bulk of the...significant deposits of Ta and Nb contain pyrochlore, columbite-tantalite, fersmite, loparite and strĂŒverite....Rare-elements . Strategic metals . Pyrochlore . Columbite . Tantalite Introduction Tantalum (Ta) and niobium |  | | Report (issue) | | earthscience and mineral-resource agencies of Australia, Canada, the Federal Republic of Germany, the...earthscience and mineral-resource agencies of Australia, Canada, the Federal Republic of Germany, the...earth-science and mineral-resource agencies of Australia, Canada, the Federal Republic of Germany, the...- - - - - - - - - - - - - - - - - - - Additional ~fe~nces on niobium and tantalum resources----------...~port- - - - -- - - - - - - - - Graph showing world mine production of niobium concentrate, for selected |  | | Report (issue) | | subparallel crystals; massive] (by analogy to columbite-(Fe)). Twinning: [On {021} and {023}, may produce.... 99.96 100.00 (1) Sanarka, Russia. (2) Morrua mine, Zambesia, Mozambique; by electron microprobe, corresponds...series, with columbite-(Mn), and with tantalite-(Fe) and tantalite-(Mg). Mineral Group: Columbite group. Occurrence:... Pakistan. From Wodgina, Greenbushes, and on Mt. Holland, Western Australia. In the USA, large crystals...Mn in the composition and relation to tantalite-(Fe) and tantalite-(Mg), named for the Greek mythical |  | | Journal (article/letter/editorial) | | occurrences, such as Tanco (Canada) and Greenbushes (Australia) contain important resources of these metals...mineralogy and geochemistry of quartz, garnet, topaz, columbite-group minerals, (3) pegmatite structure (zonation...graphic quartz-feldspar intergrowths) beryl and columbite-group minerals, (3) pegmatite structure (zonation...15â20 m is currently (in 2018) exploited for columbite-tantalite mineralisation. kaolinisation of of...solubility and the subsequent precipitation of columbite-tantalite group minerals. Therefore, the Nb/Ta |  | | Journal (article/letter/editorial) | | albite-spodumene rare-metal pegmatites with tantalite-columbite, microlite, and ixiolite in the Ancient Gneiss...craton: Bald Hill, Mt Deans, Mt Cattlin, and Greenbushes (Fetherston, 2004; Jacobson et al., 2007; Partington...tantaloniobates. They are usually tantalite and/or Ta-rich columbite, but a noticeable, sometimes decisive contribution...Bald Hill; (6) Mt Deans; (7) Mt Cattlin; (8) Greenbushes; (9) Bikita; (10) Arcadia; (11) Kolmozero; (12)...Wodgina Tanco Rose Bald Hill Mt Deans Mt Cattlin Greenbushes Bikita Arcadia Kolmozero Volta Grande Vishnyakovskoe |  | | Journal (article/letter/editorial) | | rare-metal granites is reviewed. Members of the columbite-tantalite group are the most common and economically...& ERCIT, 1989). Especially the members of the columbite-tantalite, tapiolite, wodginite and ixiolite groups...oxides Solid solution members of the orthorhombic columbite-tantalite group with the general formula AB2O6...The endmembers are columbite-(Fe), columbite-(Mn), tantalite-(Mn) and tantalite-(Fe). Their composition...ratios #Mn = 100*Mn/(Mn+Fe) and #Ta = 100*Ta/(Ta+Nb), and plotted in the âcolumbite quadrilateralâ. The structures |  | | Journal (article/letter/editorial) | | Greenland (Zr-Be-REE-NbTa pegmatite) and Greenbushes, Australia ((U-REE)-SnBe- P-B-Cs-Li-Nb-Ta pegmatite)...mineral deposits such as thrustbound Au-As-Sb-(Hg) and Fe-Cu-Pb-Zn deposits and granite-related Sn-W-Mo, Pb-Ag-Zn-(In)Cu...with minor montebrasite, beryl, cassiterite, columbite-tantalite and cookeite. According to the CMS it...to the outward appearance with the Greenbushes deposit, Australia (Partington et al. 1995, diLL 2010)...galena, cassiterite, pyrochlore, sphalerite, and columbite-(Fe) were also ranked among the âAltbestandâ (Fig |  | 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 850âŻÂ°C and 200âŻMPa. Lithos, 352. 105239 doi:10.1016/j.lithos.2019.105239 | Journal (article/letter/editorial) | | wodginite, titanowodginite, microlite, pyrochlore, columbite-(Mn) and tantalite-(Mn) in flux-rich haplogranitic...wodginite, titanowodginite, microlite, pyrochlore, columbite-(Mn) and tantalite-(Mn) in flux-rich haplogranitic...pegmatites and rare metal granites; these include columbite, tantalite, wodginite, titanowodginite, microlite...Solubility and crystallization mechanisms for columbite-(Mn) and tantalite-(Mn) have been extensively...microlite and pyrochlore are compared to those for columbite-(Mn) and tantalite-(Mn) in a flux-rich haplogranitic |  | | Journal (article/letter/editorial) | | Mostafa Fayek2 1 Department of Earth Sciences, Western University, 1151 Richmond Street North, London...these types of deposits are the columbite group minerals (columbite-tantalite), but at some ore deposits...niobium and tantalum. The solubility product of columbite-(Mn) from the fluid-melt interaction experiment...the solubility of columbite-(Mn) follows Henryâs Law. Results show that columbite-(Mn) saturation can...in rare-metal pegmatites. Magmatic origins for columbite group minerals are well constrained, but hydrothermal |  | | Journal (article/letter/editorial) | | minerals from the Szklary pegmatite includes columbite-(Fe), columbite-(Mn), tantalite-(Mn), stibiocolumbite...holtite. Anomalous trends of Mn-Fe and Ta-Nb fractionation in the columbite group and crystallization sequences...Ta and Sb and with biotite and tourmaline for Mg, Fe, and Ti, and local variations in melt composition...inducing two different patterns of alteration. The columbite-group minerals were altered to fersmite, pyrochlore...coexisting with the fluid. Keywords: Columbite-(Fe), columbite-(Mn), tantalite-(Mn), stibiocolumbite |  | | Journal (article/letter/editorial) | | mostly Ca (causing a miniflood of Ca), but also Sr, Fe, Mg, Sc, Li and B. Other elements are efficiently...micas of the lepidolite series, pollucite, tantalite-(Fe) and tantalite-(Mn), i.e., super-LCT deposits. Keywords:...generation of pyrochlore, betafite, fersmite and columbite, as well as a very late Ta-dominant mineral, microlite...substitution: XCa + YLi â XNa + Y(Fe + Mg), YLi + YAl â 2 Y(Fe + Mg) and, where Fe and Mg have fallen to 0, XCa...sudden slight enrichment of the tourmaline in Na, Fe and Mg, compensated by measurable drops in Ca and |  | Dill, Harald G., Weber, Berthold, Melcher, Frank, Wiesner, Werner, MĂŒller, Axel (2014) Titaniferous heavy mineral aggregates as a tool in exploration for pegmatitic and aplitic rare-metal deposits (SE Germany) Ore Geology Reviews, 57. 29-52 doi:10.1016/j.oregeorev.2013.08.023 | Journal (article/letter/editorial) | | rutile). They contain inclusions of, e.g., columbite-(Fe), pyrochlore group minerals, wolframite solid...monazite, zircon, Fe oxides and sulïŹdes as well as alteration minerals such as pseudorutile and FeâTiâNbâTaâAlâP...and presence of Nb-bearing pegmatites along the western edge of the Bohemian Massif, SE Germany. Type A...rutile, rife with lots of inclusions, especially columbite-(Fe). It precipitated in the crystalline country...âarmored relicsâ for less resistant minerals such as columbite and pyrochlore. When these titaniferous HM aggregates |  | Melcher, Frank, Graupner, Torsten, GĂ€bler, Hans-Eike, Sitnikova, Maria, Henjes-Kunst, Friedhelm, OberthĂŒr, Thomas, Gerdes, Axel, Dewaele, Stijn (2015) Tantalumâ(niobiumâtin) mineralisation in African pegmatites and rare metal granites: Constraints from TaâNb oxide mineralogy, geochemistry and UâPb geochronology. Ore Geology Reviews, 64. 667-719 doi:10.1016/j.oregeorev.2013.09.003 | Journal (article/letter/editorial) | | 1.2. Mineralogy 4.3.2. Kamativi Schist Belt (western Zimbabwe) 4.3.3. Orange River Pegmatite Belt (Namibia...1.2. Mineralogy NU 5. Mineral chemistry of columbite-tantalite, tapiolite, wodginite and ixiolite in...processes and sources 7.2. Compositional variation of columbite-tantalite, tapiolite and wodginite-ixiolite 7...granites and granitic rare-element IP pegmatites. Columbite-group minerals (CGM) account for the majority... Compositions of CGM are extremely D variable: Fe-rich types predominate in the Man Shield (Sierra |  | | Journal (article/letter/editorial) | | Sciences, University of Western Australia, Western Australia 6009, Australia 2 Centre for Microscopy...Analysis, University of Western Australia , Western Australia 6009, Australia 1 Abstract Quantitative...cassiterite crystals from four localities show that Ti, Fe, Nb, Ta, and W define oscillatory zonation patterns...effects from Fe, Nb, Ta, and W. Sector zonation is commonly highlighted by domains of high Fe, incorporated...highlighted by distributions of W separate to the Fe-dominant sector zone. Both sector zones show quenched |  | 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 magmaticâhydrothermal 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) | | eucryptite, lepidolite, beryl, Rb-enriched K-feldspar, columbite-group minerals, cassiterite, and tourmaline, which...coupled with micropores Journal Pre-proof within columbite-group minerals. These late hydrothermal fluids...pegmatite in northwest China, and Greenbushes pegmatite in Western Australia (van Lichtervelde et al., 2007;...economic minerals are beryl, cassiterite, and columbite-group minerals (Table 1). The cleavelanditeâspodumene... beryl, Rb-rich microcline, cassiterite, and columbite-group minerals (Table 1). The quartzâspodumene |  | Fei, Guangchun, Menuge, Julian F., Li, Yunqiang, Yang, Jiyi, Deng, Yun, Chen, Changsheng, Yang, Yufan, Yang, Zheng, Qin, Liye, Zheng, Luo, Tang, Wenchun (2020) Petrogenesis of the Lijiagou spodumene pegmatites in Songpan-Garze Fold Belt, West Sichuan, China: Evidence from geochemistry, zircon, cassiterite and coltan U-Pb geochronology and Hf isotopic compositions. Lithos, 364. 105555pp. doi:10.1016/j.lithos.2020.105555 | Journal (article/letter/editorial) | | 2011; Zhang et al., 2017; Yan et al., 2018). Columbite-tantalite (coltan) has high U and low common Pb...Nb and Fe (Fig. 8b), with Ta/(Ta + Nb) ranging from 0.225 to rn 0.468, while the Mn/(Mn + Fe) range...data fall along a linear array, with (Nb + Ta) and (Fe + Mn) (based on 4 oxygens) predominantly varying...ratio 2:1 (Fig. 8a). This suggests the presence of a (Fe,Mn)(Nb,Ta)2O6 Journal Pre-proof component in some...cassiterite, and corresponds to the substitution: 3Sn4+ = (Fe, Mn)2+ + 2(Ta,Nb)5+ (ÄernĂœ and Ercit, 1989). Ta/(Ta |  | | Journal (article/letter/editorial) | | Metal Pegmatites in the North Pilbara Craton, Western Australia MARCUS T. SWEETAPPLEâ AND PETER L. F. COLLINS...of Technology, GPO Box U1987, Perth, WA 6845, Australia Abstract The Pilbara pegmatite province in the...ARCHEAN North Pilbara Craton in northwestern Australia (Fig. 1) is one of the worldâs major tantalum... W Cw 6 ME Sa Wodgina Mt. Francisco Western Australia Marble Bar S Yi CD Y T SH Nullagine...Pilbara granitoid-greenstone terrane, northwestern Australia (geology and nomenclature adapted from Hickman |  | | Journal (article/letter/editorial) | | â
Z. Vejnar â
A. Krohe Metapegmatites in the western Bohemian massif: ages of crystallisation and metamorphic...constrained by UâPb zircon, monazite, garnet, columbite and RbâSr muscovite data Received: 12 November...metapegmatites of two crystalline units of the western Bohemian massif, the Zone of ErbendorfVohenstrauss...primary magmatic zircon, monazite, garnet and columbite, and by RbâSr analyses of large pegmatitic muscovites...occurrence of numerous granitic pegmatites in the western Bohemian massif, many of which have been mined |  | Li, Peng, Li, Jiankang, Chou, I-Ming, Wang, Denghong, Xiong, Xin (2019) Mineralization Epochs of Granitic Rare-Metal Pegmatite Deposits in the SongpanâGanzĂȘ Orogenic Belt and Their Implications for Orogeny. Minerals, 9 (5) 280 doi:10.3390/min9050280 | Journal (article/letter/editorial) | | pegmatite deposits are located in the southern, western, northern, midwestern, and central areas of the...of 179.6 ± 1.0 Ma and 174.3 ± 0.9 Ma, and one columbiteâtantalite U-Pb age of 204.5 ± 1.8 Ma from spodumene...Distribution map of granitic pegmatite deposits in the western A: Figure Distribution map of granitic pegmatite...Dahongliutan pegmatite deposit is located in the western area of the SongpanâGanzĂȘ each pegmatite dike can...Dahongliutan pegmatite deposit is located in the western area of the SongpanâGanzĂȘ orogenic belt (location |  | Harlaux, Matthieu, Marignac, Christian, Cuney, Michel, Mercadier, Julien, Magott, RĂ©mi, Mouthier, Bernard (2015) Nb-Ti-Y-HREE-W-U Oxide Minerals With Uncommon Compositions Associated With the Tungsten Mineralization In the Puy-Les-Vignes Deposit (Massif Central, France): Evidence For Rare-Metal Mobilization By Late Hydrothermal Fluids With A Peralkaline Signature. The Canadian Mineralogist, 53 (4) 653-672 doi:10.3749/canmin.1400096 | Journal (article/letter/editorial) | | paragenesis composed of zircon, xenotime, monazite, Nb-Fe-W rutile, and Nb-Ti-YHREE-W-U oxide minerals (hereafter...group of anatase-columbite solid solution and a second group of euxenite-(Y)-columbite solid solution....hydrothermal ïŹuids: a ïŹrst ïŹuid (L1) enriched in Ti4Nb, Fe, and W, with the same geochemical signature as the...mineralization, and a second ïŹuid (L2) enriched in Nb4Ti, Fe, Y, REE, and W, with a geochemical signature clearly...(HFSE), of which the principals belong to the columbiteâtantalite, euxenite, aeschynite, pyrochlore, samarskite |  | Zhang, Zeyang, Jiang, Yuhang, Niu, Hecai, Qu, Pan (2021) Fluid inclusion and stable isotope constraints on the source and evolution of ore-forming fluids in the Bailongshan pegmatitic Li-Rb deposit, Xinjiang, western China. Lithos, 380. 105824pp. doi:10.1016/j.lithos.2020.105824 | Journal (article/letter/editorial) | | Bailongshan pegmatitic Li-Rb deposit, Xinjiang, western China Zeyang Zhang a,b, Yuhang Jiang a,â, Hecai...lithiumârubidium (LiâRb) deposit in West KunlunâKarakorum (western China) is a world-class Li deposit. In this paper...Li resources e.g., Bessemer City, USA; Greenbushes, Australia; Bikita, Zimbabwe (Kesler et al., 2012;...discovered. The No. 1 ore body is located in the western part of the mining area and strikes WNWâESE. The...Kfeldspar (10 to 25 vol%) and accessory apatite and columbiteâtantalite (Fig. 3l). hydrothermal metasomatism |  | | Journal (article/letter/editorial) | | Magazine, October 2008, Vol. 72(5), pp. 1119â1144 The Fe-Mn phosphate aplite âSilbergrubeâ near Waidhaus,...magmatic to hydrothermal mineralization of Li-bearing Fe-Mn phosphates (stages II and III). Brittle deformation...deformation along this zone was conducive to the faultbound Fe-Mn-Ca phosphates. Mineral telescoping is evident...phosphate system. K EY WORDS : aplite, Carboniferous, Li-Fe-Mn phosphate, structure-bound, epithermal, supergene...Introduction THE Silbergrube (Silbergrube = Silver Mine is a misnomer used by local people mistaking shiny |  | | Book | | Geological Survey of Western Australia, and The University of Western Australia, Perth, Australia M.J.R. Wortel...much biased by science with too little sense of mine for beauty) will keep his memory and work, alive...of rare elements on a regional scale along the western edge of the Bohemian Massif. While these chemical...2 Extractive Geology Pegmatite Deposits at the Western Edge of the Bohemian Massif â A Historical Perspective...mining Pb, Cu and Ag, the metals extracted from the mine helped the people of Goslar to accumulate wealth |  | Lv, Zheng-Hang, Zhang, Hui, Tang, Yong, Liu, Yun-Long, Zhang, Xin (2018) Petrogenesis of syn-orogenic rare metal pegmatites in the Chinese Altai: Evidences from geology, mineralogy, zircon U-Pb age and Hf isotope. Ore Geology Reviews, 95. 161-181 doi:10.1016/j.oregeorev.2018.02.022 | Journal (article/letter/editorial) | | and Gansu Key Laboratory of Mineral Resources in Western China, Lanzhou University, Lanzhou 730000, China...pegmatite from Canada, the Greenbush pegmatite from Australia and the Koktokay No. 3 pegmatite from China, the...Zhou et al., 2015, 2016). Based on zircon and columbite-group U-Pb methods, recent geochronological work...(Fig. 1b). Tectonically, it is situated in the western end of the Kabaer-Xibodu Paleozoic magmatic arc...(Fig. 1b). Tectonically, it is situated in the western of the Kabaer-Xibodu Paleozoic magmatic arc and |
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