 | 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) | | occurrence of other peraluminous minerals including tourmaline, garnet, and rarely gahnite, topaz, or andalusite...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, |  | | 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 |  | | 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) | | 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 |  | 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...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...presented for 13 rare-element granite NU and pegmatite districts in Africa, covering Archean, Paleoproterozoic |  | 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...Williams, Edward H. Jr. (1875) On crystals of tourmaline with enveloped orthodaseâ Am. Jour, of ScienceâVol...remarkable geological features is the abundance of pegmatite dykes. To appreciate the economic importance of |  | | Journal (article/letter/editorial) | | e-perthite core that constitutes most of the pegmatite. Cross-cutting, fine-grained, quartz-albitesp...quartz-albitespodumene-muscovitelensesare found within pegmatite cores. The bulk mineralogy and variations in the mineralogy...this type are known in many areas: the Mateen pegmatite of the Black Hills, South Dakota; certain pegmatitesof...Yellowknife-Beaulieu district, Northwest Territories; the Preissac-LaCorne district, Quebec;and the Kings...Kings Mountain district of North and South Carolina (12, 13, 15, 20, 21, 22). Early investigations in |  | 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) | | during progressive evolution of the melt in a pegmatite body (either Nb ? Ta or Fe ? Mn fractionation...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...provide constraints on the genesis of rare-element pegmatite systems. Furthermore, it may be used as a valuable...LCT pegmatite locations of central and southern Africa. These include: (1) the Homestead pegmatite, Tantalite |  | | Journal (article/letter/editorial) | | h melt or vapor from which albitites rich in tourmaline, phosphates, F-rich micas, beryl, zircon, and...generalized to be consistent with a single model of pegmatite evolution (e.g., JAHNS, 1982; BURNHAMand NEKVASIL...or F-rich mica bodies that contain most of the tourmaline, apatite, beryl, Fe-Mn phosphates, REE phosphates...a geological cross section through the Tanco pegmatite, illustrates the complex and variable zonation...unique (cf pegmatite, Zimbabwe: COOPER,1964). Deposits such as Tanco and Bikita represent end states |  | 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...divided into two- mica (biotite and muscovite), tourmaline, and garnet subtypes according to the presence |  | 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...November 2015 Keywords: Rare-element pegmatite Boron isotopes Tourmaline SIMS Fluid exsolution Nb-Ta mineralization...evolution of the Varuträsk rare-element pegmatite (Skellefte District, Northern Sweden) has been investigated...using stable isotope (B, H, O) geochemistry of tourmaline and coexisting micas, feldspar and quartz. Varuträsk...and intermediate zones and a quartz core. The pegmatite displays considerable rare-element enrichment |  | 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) | | Nb, Ta, Sn, and Sb in the Varuträsk granitic pegmatite, Sweden: The case of an âanomalousâ columbite-tantalite...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 |  | 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) | | 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) | | the Foote Mineral Company developed an unzoned pegmatite ore body near Kings Mountain, North Carolina,...in the short term. The large zoned pegmatite at Bikita in Zimbabwe (Rhodesia) was a major source for the...outside of the United States includes the Bikita mine in Zimbabwe (Rhodesia), the Karibib-Omaruru area in...China (Singleton, 1979). The zoned pegmatite at Bikita is mined by Bikita Minerals, Ltd, a subsidiary of...Chemical Company have a partial interest in the Bikita property. Production from the main ore body included |  | | 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 |  | Grew, Edward S., Hystad, Grete, Toapanta, Myriam P. C., Eleish, Ahmed, Ostroverkhova, Aleksandra, Golden, Joshua, Hazen, Robert M. (2019) Lithium mineral evolution and ecology: comparison with boron and beryllium. European Journal of Mineralogy, 31 (4) 755-774 doi:10.1127/ejm/2019/0031-2862 | Journal (article/letter/editorial) | | low for Li, Be, and B minerals to form (except tourmaline); this requires further enrichment by 1â2 orders...geologic record at 3.0â3.1 Ga, later than Li-free tourmaline at 3.6 Ga. Spikes in species diversiďŹcation coincides...by UâPb isotopes on associated minerals in the pegmatite; this represents half of the Li minerals occurring...minerals, analogs not only to mica, amphibole, and tourmaline, but also to minerals in less widespread groups...based on site occupancy, most notably in the tourmaline (Henry et al., 2011) and amphibole (Hawthorne |  | | 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 |  | | 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 |  | | 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 (issue) | | visited, but is located some 6 km north of the famous Bikita lithium mine about 80 km east of Fort Victoria...are located about 90 km eastward, near the Bikita pegmatite mine. Novello Prospect : T h e discovery of...faulting. Large lens-shaped bodies of quartz and pegmatite extend along the shear zones over a distance of...in an area of mica-rock intruded by numerous pegmatite stringers. Useful samples for study were recovered...minerals. Samples of mica-rock were found containing pegmatite stringers 2 to 3 em wide carrying quartz, mica |  | | Book | | part of the Hidden Treasure manto, Ophir mining district, Utah. (After Gilluly 1932.) Mantos and pipes...Si,O,9(OH)] and quartz. and zunyite topaz, , tourmaline pyrite, alunite, usually present and frequently...Chlorite may be present alone or with quartz or tourmaline in very simple assemblages. However other propylitic...some gold veins have a strong development of tourmaline in the wall rocks and often actually in the veins...Quebec has veins which in places are massive tourmaline and this mineral is well developed in the adjacent |
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