 | Dittrich, Thomas, Seifert, Thomas, Schulz, Bernhard, Hagemann, Steffen, Gerdes, Axel, Pfänder, JĂśrg (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 | | JĂśrg Pfänder Archean Rare-Metal Pegmatites in Zimbabwe and Western Australia Geology and Metallogeny... ⢠⢠⢠⢠Archean Rare-Metal Pegmatites in Zimbabwe and Western Australia Geology and Metallogeny...quantities only from the two LCT pegmatite deposits at Bikita in the Zimbabwe Craton and Tanco in the Superior...occurs in monomineralic mineralisation. Both pegmatite deposits have a comparable regional geological...imminent depletion of the pollucite resources at Bikita stimulated the specialised search for pollucite |  | | Journal (article/letter/editorial) | | Rhodesia, however, large-scale mining operations at Bikita for lithium minerals (Cooper, 1961 ; Wilson and...other lithium minerals except in the Mterikati pegmatite. Lithiophorite is the only other lithium mineral...the Dam Site pegmatite. The refractive indices of montebrasite from the Benson 2 pegmatite (no. 13, table...replaces montebrasite in a sample from the Bikita pegmatite and members of the goyazite and possibly of...in six perthite-rich pegmatites from the Miami district of Rhodesia appears to be manganoan fluorapatite |  | | Journal (article/letter/editorial) | | MORPHOLOGICAL FEATURES OF BERYL FROM THE BIKITA GRANITIC PEGMATITE, ZIMBABWE PETR CĚERNY̧ Department of Geological...evolution of beryl in the Bikita rare-element granitic pegmatite, in Zimbabwe, was examined by analyzing...deposit. From the outer to the inner zones of the pegmatite, generally corresponding to the least up to the...more evolved samples from the inner zones of the pegmatite body, Cs becomes the main charge-balancing cation...morphology, lithium, cesium, granitic pegmatite, Bikita, Zimbabwe. SOMMAIRE Nous avons examinĂŠ lâĂŠvolution |  | Melcher, Frank, Graupner, Torsten, Gäbler, Hans-Eike, Sitnikova, Maria, Henjes-Kunst, Friedhelm, OberthĂźr, 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) | | NU 4.1.2. Congo Craton (DRC) 4.1.3. Zimbabwe Craton (Zimbabwe) 4.1.4. Kaapvaal Craton (South Africa)...Kamativi Schist Belt (western Zimbabwe) 4.3.3. Orange River Pegmatite Belt (Namibia, South Africa) AC...Mineralogy NU 5. Mineral chemistry of columbite-tantalite, tapiolite, wodginite and ixiolite in African...Birimian TE 5.1.4. Kaapvaal Craton D 5.1.3. Zimbabwe Craton 5.2.2. North-eastern DRC 5.3. Neoproterozoic...3.2. Kamativi Schist Belt 5.3.3. Orange River Pegmatite Belt 5.4. Late Neoproterozoic to early Paleozoic |  | | Journal (article/letter/editorial) | | AB00023 THE KAMATIVI PEGMATITE: AN OPPORTUNITY FOR ECONOMIC DEVELOPMENT IN ZIMBABWE? RICHARD A. SHAW§ British...Witwatersrand, South Africa Keywords: Kamativi, Zimbabwe, ASM, tin, lithium. INTRODUCTION The last few...currently accounting for about 40% of global supply. Zimbabwe is currently the worldâs ďŹfth largest lithium...lithium in Zimbabwe currently comes from pegmatites, with production chieďŹy from the Bikita Pegmatite. Other...Other pegmatite prospects of interest include Arcadia (Prospect Resources), Zulu (Premier African Minerals) |  | | Journal (article/letter/editorial) | | the direction of crystallization from massive pegmatite into the miarolitic cavity. (d) A lepidolite âskullâ...(muscovite) and dark (biotite) micas of the outer pegmatite zones (e.g., Neiva 2014). That succession reflects...and feldspars that constitute the bulk of the pegmatite composition. In this way, the evolution of micas...chemical study of micas from the giant Tanco pegmatite, Manitoba, found that the most Li-rich micas,...(one of the earliest and outermost units) of the pegmatite (van Lichtervelde et al. 2008). The fine-grained |  | | Report (issue) | | (RlE) and recoverable (rlE) lithium resources in pegmatite deposits and districts, listed by country- - -...marginal and subeconomic lithium resources in pegmatite deposits and districts, listed by country - -...excess capacity such as currently exist, some pegmatite operations cannot compete with brine operations...Kingdom. No geologic definition of a deposit (or district) is used for compiling records for this report...number of records to the lithium resources of a district or even of a nation was not done with the same |  | Graupner, T., Melcher, F., Gäbler, H.-E., Sitnikova, M., Brätz, 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...during progressive evolution of the melt in a pegmatite body (either Nb ? Ta or Fe ? Mn fractionation...K EY WORDS : LCT family pegmatites, columbite-tantalite, REE geochemistry, LA-ICP-MS data. Introduction...mineral-melt partitioning during crystallization of the pegmatite body and by secondary hydrothermal or weathering...causing addition, loss or redistribution of REE. Pegmatite bodies may contain up to several generations of |  | Kesler, Stephen E., Gruber, Paul W., Medina, Pablo A., Keoleian, Gregory A., Everson, Mark P., Wallington, Timothy J. (2012) Global lithium resources: Relative importance of pegmatite, brine and other deposits. Ore Geology Reviews, 48. 55-69 doi:10.1016/j.oregeorev.2012.05.006 | Journal (article/letter/editorial) | | Global lithium resources: Relative importance of pegmatite, brine and other deposits Stephen E. Kesler a...online 14 May 2012 Keywords: Lithium Resource Pegmatite Brine Salar Evaporite Electric vehicle Lithium-ion...geological features of the best characterized pegmatite, brine and other types of lithium deposits and...an order of magnitude larger than the average pegmatite deposit (0.11 Mt Li) and that brine deposits,...for large-scale, long-term production than do pegmatite deposits. However, individual brine deposits differ |  | | Journal (article/letter/editorial) | | and zircon crystals from a Southern California pegmatiteâRocks and Mineralsâpp. 245-246, May-June 1955...Monazite and Cyrtolite crystals from Day, New York pegmatiteâ Rocks and Mineralsâpp. 328-330âJulyAugust, I960...Shaub, B. M. (1940) Age of uraninite from McLear pegmatite near Richville Station, St. Lawrence County, New...remarkable geological features is the abundance of pegmatite dykes. To appreciate the economic importance of...rocks to give pegmatite masses and veins. The major mineralogical constituents of pegmatite are those of |  | ÄernĂ˝, Petr, Chapman, Ron, Ferreira, Karen, Smeds, Sten-Anders (2004) Geochemistry of oxide minerals of Nb, Ta, Sn, and Sb in the Varuträsk granitic pegmatite, Sweden: The case of an âanomalousâ columbite-tantalite trend. American Mineralogist, 89 (4) 505-518 doi:10.2138/am-2004-0405 | Journal (article/letter/editorial) | | Varuträsk granitic pegmatite, Sweden: The case of an âanomalousâ columbite-tantalite trend PETR CĚERNĂ...ABSTRACT The complex, petalite-subtype Varuträsk pegmatite in the Proterozoic rocks of northern Sweden is...is, as a whole, rather poor in Nb and Ta. The pegmatite consolidated in eight units, but the (Nb,Ta)-oxide...abundance of native antimony and stibarsen in the pegmatite, and the absence of Bi-bearing minerals. Rare...cassiterite in the petalite-subtype Varuträsk pegmatite emphasizes the importance of specific conditions |  | | Journal (article/letter/editorial) | | Briart, who studied the Leopold mine, Kipushi district, Shaba, where the mineral was found. (Also described...Manandonite: Manandona River, close to the Anadrokomby pegmatite where the mineral was found. MALAWl(2) People...studied the People (10) Leopold mine, Kipushi district, Shaba, where the mineral was found. (Also Agardite-(Y):...Asisite: Asis Farm, Otavi district. Brubuntite: Brabant pegmatite, Karibib district. Zduite: Ida mine, 100...Karibib pegmatite. Kombutite: Kombat mine, Otavi district. Numibite: Namibia. Otuvite: Otavi district. Otjisumeite: |  | 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) | | granite, albite granite, and pegmatites. Numerous pegmatite dikes have intruded the Higher Himalayan crystalline...highly fractionated pegmatites. The Chomogu No. 1 pegmatite is a well- zoned dike that hosts beryl, columbite...in the Himalayan leucogranite belt. Keywords : Pegmatite, Li mineralization, spodumene, columbiteâcassiterite...Wang et e- al., 2006; Zhang AC et al., 2004; Bikita in Africa, ÄernĂ˝ et al., 2003; Cooper, 1964; Pr...associated with minerals such as beryl, columbiteâtantalite, and cassiterite, which are found in the albite |  | Siegel, Karin, Wagner, Thomas, Trumbull, Robert B., Jonsson, Erik, Matalin, Gabriella, Wälle, Markus, Heinrich, Christoph A. (2016) Stable isotope (B, H, O) and mineral-chemistry constraints on the magmatic to hydrothermal evolution of the Varuträsk rare-element pegmatite (Northern Sweden) Chemical Geology, 421. 1-16 doi:10.1016/j.chemgeo.2015.11.025 | Journal (article/letter/editorial) | | hydrothermal evolution of the Varuträsk rare-element pegmatite (Northern Sweden) Karin Siegel a, Thomas Wagner...online 25 November 2015 Keywords: Rare-element pegmatite Boron isotopes Tourmaline SIMS Fluid exsolution...evolution of the Varuträsk rare-element pegmatite (Skellefte District, Northern Sweden) has been investigated...and intermediate zones and a quartz core. The pegmatite displays considerable rare-element enrichment...element variations in tourmaline from the main pegmatite zones correlate well with the internal zoning |  | Wang, Zhen, Li, Jiankang, Chen, Zhenyu, Yan, Qinggao, Xiong, Xin, Li, Peng, Deng, Jingyi (2021) Evolution and Li Mineralization of the No. 134 Pegmatite in the Jiajika Rare-Metal Deposit, Western Sichuan, China: Constrains from Critical Minerals. Minerals, 12 (1) 45 doi:10.3390/min12010045 | Journal (article/letter/editorial) | | Evolution and Li Mineralization of the No. 134 Pegmatite in the Jiajika Rare-Metal Deposit, Western Sichuan...Evolution and Li Mineralization of the No. 134 Pegmatite in the Jiajika Rare-Metal Deposit, Western Sichuan...deposit in Asia, and the No. 134 pegmatite dike is the largest lithium pegmatite under mining conditions in...textures and minerals in the Jiajika No. 134 pegmatite, two zones (the barren Zone I and the spodumene...evolution and the cooling path of the Jiajika No. 134 pegmatite. From the outer zone inwards, grain size gradually |  | | Journal (article/letter/editorial) | | Constraints from crystallization experiments of tantalite-tapiolite Marieke Van Lichtervelde1,*,â , Francois...crystallization processes in highly evolved and pegmatite-forming magmas. Keywords: Crystallization experiments...particular crystallization kinetics that prevail in pegmatite-forming melts at strong undercooling (London 2014a...to undercooling, the fast growth processes in pegmatite formation are enhanced by the presence of flux...respectively, which, extrapolated to conditions of pegmatite crystallization (~600 °C), corresponding to saturation |  | | Journal (article/letter/editorial) | | EVOLUTION: EXAMPLE FROM THE VELASCO DISTRICT, PAMPEANA PEGMATITE PROVINCE, ARGENTINA, AND REVIEW OF WORLDWIDE...subtype pegmatites of the Velasco district from the Pampeana Pegmatite Province, Argentina, contain varieties...of beryl from ten pegmatites from the Velasco district were used to identify differences among beryl...Koktokay No. 3, Minas Gerais, Kaatiala, Namivo, Bikita, Czech Republic, and Greer Lake pegmatites. Keywords:...mineral chemistry, fractionation, Velasco District, Pampeana Pegmatite Province, Argentina. INTRODUCTION Beryl |  | | Report (issue) | | interest in the geo logy and mineral resources of Zimbabwe which followed the removal of United Nations sanctions...original Bulletin is the insertion of Table IIIA, Zimbabwe Mineral Production and Value, on page 114A. Due...accompanying metals such as copper and tungsten, and the pegmatite metals, tin, tantalum and lithium are, with few...at the Cotopaxi and Dickens mines in Victoria District in 1894, but it was not until the early l 900's...LARGE GOLD MINES Mine Geology and mineralization District Cam and Motor Gatooma Globe & Phoenix Que |  | | Journal (volume) | | . . .. ...... . ... . ..... . . . The parent pegmatite .... .. .... .. .......... ... ........ . ...... . . . ... ... . ..... . ...... . The parent pegmatite .. ... . . ......... .... . ...... .... . . ......... . .. . . ............ . . . The parent pegmatite ............... ...... . . ................ .... ....... ... . . ... .. . . . . . The parent pegmatite .............. . . .... ... . ..................ana1cime coexisting with pollucite at Luolamäki pegmatite, Finland and on this basis suggested immiscibility |  | | Report (issue) | | Geology of the Hugo Pegmatite Keystone, South Dakota GEOLOGICAL SURVEY PROFESSIONAL PAPER 297-B Geology... Geology of the Hugo Pegmatite Keystone, South Dakota By J. J. NORTON, L. R. PAGE, and D. A. BROBST PEGMATITES...detailed structural and petrologic study of a pegmatite containing seven zones and two replacement bodies...Structure __________________________________________ Pegmatite units ____________________________________ Zone...Albite-quartz-musco vite pegmatite ________ Zone 2: Quartz-albite-muscovite pegmatite. _______ Zone 3: Pe |  | | Journal (article/letter/editorial) | | Available online 1 November 2013 Keywords: Granitic pegmatite Internal zonation Fractional crystallization Constitutional...in terms of the comprehensive petrogenesis of pegmatite bodies (pressure, temperature, and whole-rock...a summary of the current understanding of the pegmatite-forming environment, (3) the processes that determine...fundamental determinates of the internal evolution of pegmatite zones are: (1) the bulk composition of melt, (2)...Introduction . . . . . . . . . . . . . . . . . . . 1.1. Pegmatite families . . . . . . . . . . . . . 1.2. Internal |  | | Report (issue) | | development, and long-range outlook of lithium-pegmatite ore in the Carolinas, by Thomas L. Kesler (retired)...comparison of three major lithium pegmatites: Varutrask, Bikita, and Bernic Lake, by E. Wm. Heinrich, University..._____________________ââ Internal structure of the Bikita, Rhodesia, pegmatite from hanging-wall downward to footwall...______________ââ Comparison of Varutrask, Bernic Lake, and Bikita pegmatites ____-____-__-_____-___________________...water. Commercial lithium is ob tained from pegmatite ore and specific brines in large but not unlimited |  | | Book | | minor 32 TABLE 2.3 (CONT.) Examples. Bushveld district - South Africa. *(D "Significant" denotes that...Geology and mineral resources of the Cooktown district tinfields. Queensland Geological Survey, Publication...Cassiterite is irregularly disseminated through the pegmatite body and is present as large dipyramidal crystals...minerals forming the greisenized areas in the pegmatite. The stanniferous pegmatites and placers derived...however, the deposits are usually small. Two large pegmatite deposits, Busango in RuandaUrundi, and Manono-Kitatolo |  | | Book | | in the granites in the Palaeozoic and towards pegmatite deposits in the pre-Cambrianâ. However, this pattern...placers little or much modi fied (Isergebirge District, Poland; Ipameri, Goias Brazil; Esira region,...nepheline-syenite pegmatite in Norway (Mulligan, 1975, p. 9). In this paper the terms âpegmatiteâ and âapliteâ...refer only to the granitoid varieties. The term âpegmatiteâ has often been misused: I shall use it as Holmes...large size ââ. Many so-called pegmatite bodies are, in fact, pegmatite/ aplite units as is, for example |  | | Book | | carbonatites, alkaline to sub-alkaline felsic rocks, pegmatite and hydrothermal deposits. Several of these sources...Presence of discrete mineral phases like columbite-tantalite, fergusonite, samarskite, allanite, monazite,...Pradesh. In addition, pegmatites of the Madurai district, Tamil Nadu, also contain REE minerals. Where...Area, Jharkhand and West Bengal . . 3.3.2 Simdega District, Jharkhand . . . . . . . . . . . . . . . . . .... . . . . . . . . . . . . . . . 3.4.1 Jashpur District, Chhattisgarh . . . . . . . . . . . . . . . . |
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