 | | Journal (article/letter/editorial) | | italics are listed in the table), the phosphates amblygonite-montebrasite and lithiophilitetriphylite, several...lithium minerals cited in the text. Species Amblygonite Bikitaite Elbaite Eucryptite Holmquistite Lepidolite...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 |  | 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 |  | | 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) | | 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 |  | | Journal (article/letter/editorial) | | pegmatites of Rhodesia and Uganda are members of the amblygonite-montebrasite series with a 1.5921.615, ~, 1.612-1...Rhodesia, however, large-scale mining operations at Bikita for lithium minerals (Cooper, 1961 ; Wilson and... Amblyyonite-montebras~te. Small amounts of amblygonite-montebrasite are known in about a dozen pegmatites...(LiA1POaOH) content from 50 to 100 ~ In Rhodesia, amblygonite-montebrasite is accompanied by other lithium...lithium minerals except in the Mterikati pegmatite. Lithiophorite is the only other lithium mineral occurring |  | | Journal (article/letter/editorial) | | plagioclase, perthite,spodumene(or petalite),amblygonite, (6) quartz,spodumene (or petalite),(7) quartz...doesnotadequately fit thegeology of theBikitapegmatite, Zimbabwe, and the Tancopegmatite,Manitoba,whichare the...unitscuttingouterzones. Otherreactions in solidified pegmatite weretoolocalizedto affectthe sequence of majormineralassemblages...tableof Cameronet al. (1949)for the pegmatite,which is at Bikita, Zimbabwe(Southern Black Hills is shown here...BernicLake, Manitoba.At the Bikita by Pageand others(1958,table 2). pegmatite,Cooper(1964,p. 456-458) madea |  | 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 |  | 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 |  | | Journal (article/letter/editorial) | | generalized to be consistent with a single model of pegmatite evolution (e.g., JAHNS, 1982; BURNHAMand NEKVASIL...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...Stanford, CA, 1986. ~thium ~umino~li~te and amblygonite-monteb~ite units commonly are quartz rich, but...commonly are distributed throughout an individual pegmatite (e.g., Fig. 1). Albitites, varying in texture |  | 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 |  | 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 |  | | 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 (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 |  | | 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 |  | | 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 |  | 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) | | by UâPb isotopes on associated minerals in the pegmatite; this represents half of the Li minerals occurring...is considered unique, e.g., neptunite group, amblygonite-montebrasite, bertossite-palermoite, but not...mineral/locality counts instead of discovery date. are amblygonite and montebrasite, which are uniformly ranked... Mineral name Spodumene Elbaite Triphylite Amblygonite Lithiophorite Montebrasite Cookeite Lithiophilite...species, tancoite, found in the Archean Tanco pegmatite but nowhere else. Several minerals reported from |  | | 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) | | 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 |  | | Book | | major producing districts, or a representative district if there are many. We name the chief mining companies...graphite supply must come not merely from one district but from a single mine. Thus the physical properties...(chrysotile of the Transvaal, South Africa; Swaziland; Zimbabwe). (3) Table 1 The asbestos minerals Banded ironstone...damage, Soviet Union Canada Chrysotile Brazil Zimbabwe Chrysotile South Africa Amosite Crocidolite Chrysotile...ultramafic rocks stretching from the Baie Verte district of Newfoundland though the Thetford Mines, Black |  | | 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...in pegmatites Lithium-tin-caesium pegmatites of Bikita, Rhodesia. Uranium pegmatites of Bancroft, Canada...rare minerals such as pollucite [CsSi,AlO,] and amblygonite [LiAIPO,(F,OH)}, but their marked feature is...Spodumene-feldspar g oom Fig. 4.3. Section through the Bikita Pegmatite showing the generalized zonal structure and...of white albite.) Table 4.2. Zoning in the Bikita Pegmatite, Rhodesia. (From Symons 1961). Hanging wall |  | | Book (edition) | | added to meet requests. Chapters on greisen and pegmatite deposits have also been added, the former in response...part of the Hidden Treasure manto, Ophir mining district, Utah. (After Gilluly 1932.) 30 CHAPTER 2 ...outcrop or suboutcrop. For the location of this are district sec Fig. 18.10. (After Du Toit 1954.) 1979 prices...carbonatites. Lithium-tin-caesium pegmatites of Bikita, Zimbabwe. Uranium pegmatites of Bancroft, Canada and...differentiation Chromite layers in the Great Dyke of Zimbabwe and the Bushveld Complex, RSA Liquation, liquid |  | | Book | | USSR Academy of Sciences, Chernogolvka, Moscow district, U . S . S . H . J. Foden, Bureau of Mineral Resources...Rhodesia, Box M.P. 167, Mount Pleasant, Harare, Zimbabwe. R.W. Ojakangas, Department of Geology, University...O. B o x . MP. 1 6 1 , Mount Pleasant, Harare, Zimbabwe. B.F. Windley, Department of Geology, University...MINERALISATION IN THE EARLY PRECAMBRIAN CRUST OF ZIMBABWE J.F. Wilson and T.H.C. Nutt 555 MINERAL OCCURRENCES...631 LITHIUM PEGMATITES OF AMARESHWAR, RAICHUR DISTRICT, KARNATAKA, INDIA T.C. Devaraju, N. Rajshekhar |  | | Report (issue) | | .... 32,688 60,897 18.51 8.64 3,488 3,975 Zimbabwe: Producers. . 91,543 5.46 4,829 Other: Producerst...Salita: Rita ies Meet Aces ed Vernon: LOW... ata ek Zimbabwe Gath's 20%) sie A OG: tsges sad Ga Cassiar. Mining...Africa, Republic of ...... United States ...... Zimbabwe......... 110 30 196 96 125 94 107 (0) 102 ...fo)oiro) $/mt fiber 600 Africa Canada Republic Zimbabwe i Taxes el â United COSTS, PRODUCTION PRODUCING...hand sort; F, flotation; S, size. 4ZP, zoned pegmatite; NP, nonpegmatite. BERYLLIUM U.S. AND WORLD |
|
Bikita pegmatite, Bikita District, Masvingo, Zimbabwe