 | Dittrich, Thomas, Seifert, Thomas, Schulz, Bernhard, Hagemann, Steffen, Gerdes, Axel, Pfänder, Jörg (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 | | Jörg 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) | | MORPHOLOGICAL FEATURES OF BERYL FROM THE BIKITA GRANITIC PEGMATITE, ZIMBABWE PETR ČERNݧ 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 examiné l’évolution |  | | 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) | | constituent, include the lithium aluminosilicates spodumene, petalite, and eucryptite (formulas of minerals...Lithiophilite Montebrasite Petalite Rossmanite Spodumene Triphylite Zinnwaldite Formula LiAlPO4F LiAlSi2O6∙H2O...the direction of crystallization from massive pegmatite into the miarolitic cavity. (d) A lepidolite “skull”...(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 |  | | Journal (article/letter/editorial) | | Stability relations among eucryptite, spodumene, petalite, ,B-spodumene (tetragonal), and virgilite (hexagonal)...proportions of other phases in the chemically complex pegmatite system. Thus, the lithium aluminosilicate phase...aluminosilicates eucryptite (Ecr: a- LiAI Si04), spodumene (Spd: a-LiA1Siz06), and petalite (Pet: LiAlSi401O)...observed isochemical replacement of petalite by spodumene + quartz or eucryptite + quartz, and accounts...this phase diagram for understanding lithium pegmatite petrogenesis prompted the experimental study that |  | | 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 world’s fifth largest lithium...lithium in Zimbabwe currently comes from pegmatites, with production chiefly from the Bikita Pegmatite. Other...Other pegmatite prospects of interest include Arcadia (Prospect Resources), Zulu (Premier African Minerals) |  | | 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...ward,the rockbecomes mostlyfeldsparand quartz. Spodumene-rich zones,if present,follow feldsparquartz zones...tableof Cameronet al. (1949)for the pegmatite,which is at Bikita, Zimbabwe(Southern Black Hills is shown here |  | 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, Oberthür, Thomas, Gerdes, Axel, Dewaele, Stijn (2015) Tantalum–(niobium–tin) mineralisation in African pegmatites and rare metal granites: Constraints from Ta–Nb oxide mineralogy, geochemistry and U–Pb 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 |  | A. M. E., (1983) P. Černý (ed.) 1982. Short Course in Granite Pegmatites in Science and Industry, xiii + 555 pp., 222 × 142 mm, illustrated. Toronto: Mineralogical Association of Canada, c/o Department of Mineralogy, Royal Ontario Museum, 100, Queen's Park, Toronto, Ontario, Canada. Price $ Canad. 15.00. Geological Magazine, 120 (3) 316 doi:10.1017/s0016756800025590 | Journal (article/letter/editorial) | | papers on the Bernic Lake Pegmatite of Manitoba, the pegmatites of the tin-spodumene belt of North Carolina...Greenbushes Pegmatite of Western Australia. Further details of the Bernic Lake Pegmatite are given in...Katanga, the famous Bikita Pegmatite of Zimbabwe and the unusual cryolite-pegmatite of Ivigtut in Greenland |  | | Journal (article/letter/editorial) | | papers on the Bernic Lake Pegmatite of Manitoba, the pegmatites of the tin-spodumene belt of North Carolina...Greenbushes Pegmatite of Western Australia. Further details of the Bernic Lake Pegmatite are given in...Katanga, the famous Bikita Pegmatite of Zimbabwe and the unusual cryolite-pegmatite of Ivigtut in Greenland |  | | Journal (article/letter/editorial) | | Geology Vol. 58, 1963, pp. 84-106 THE PEG CLAIMS SPODUMENE HAROLD W. PEGMATITES, MAINE SUNDELIUS CONTENTS...and an albite-quartz-spodumene-perthite core that constitutes most of the pegmatite. Cross-cutting, fine-grained...quartz-albitespodumene-muscovitelensesare found within pegmatite cores. The bulk mineralogy and variations in the...textural zoning of the pegmatites 84 PEG CL./IIMS SPODUMENE PEGM/tTITES, M.4INE 85 are consistentwith developmentby...a group of zoned,granitic pegmatitesin which spodumene is presentfrom wall to wall and is orientednormal |  | 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...in the Jiajika No. 134 pegmatite, two zones (the barren Zone I and the spodumene Zone II) and three subzones...microcrystalline, medium-fine grained and coarsegrained spodumene zones) have been identified. The detailed mineralogical |  | 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 |  | | Report (issue) | | techniques that made it possible to concentrate spodumene from unzoned pegmatites in which the average crystal...the Foote Mineral Company developed an unzoned pegmatite ore body near Kings Mountain, North Carolina,... that consisted of a cluster of spodumene-bearing pegmatites--each greater than 15 m thick that could...a new facility for extraction of lithium from spodumene or to develop a lithium brine field that had been...economic advantage over extraction of lithium from spodumene. The increase in demand for lithium during the |  | 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) | | Journal Pre-proof Spodumene pegmatites from the Pusila pluton in the higher Himalaya, South Tibet: Lithium...article as: C. Liu, R.-C. Wang, F.-Y. Wu, et al., Spodumene pegmatites from the Pusila pluton in the higher...2020 Published by Elsevier. Journal Pre-proof Spodumene pegmatites from the Pusila pluton in the Higher...granite, albite granite, and pegmatites. Numerous pegmatite dikes have intruded the Higher Himalayan crystalline...enriched in Li (up to 8460 ppm) and contain abundant spodumene±petalite. e- Lithium was progressively enriched |  | | Journal (article/letter/editorial) | | generalized to be consistent with a single model of pegmatite evolution (e.g., JAHNS, 1982; BURNHAMand NEKVASIL...fabrics, usually very coarse-grained microcline, spodumene, or petalite with finer-grained, interstitial...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...commonly are distributed throughout an individual pegmatite (e.g., Fig. 1). Albitites, varying in texture |  | Sánchez-Muñoz, Luis, Sanz, Jesús, Florian, Pierre, Diez-Gómez, Virginia, Furio, Marta, Sobrados, Isabel (2022) Order-Disorder in the Structures of Lithium Aluminosilicate Minerals by XRD and Multinuclear NMR. Minerals, 12 (4) 427 doi:10.3390/min12040427 | Journal (article/letter/editorial) | | α-cristobalite up to x ≥ 0.75, and in β-eucryptite and β-spodumene for 0.0 ≤ x ≤ 1.0, when the ceramic synthesis...intermediate members of the β-eucryptite and β-spodumene solid-solution series have 29 Si NMR spectra consistent...hydrothermal conditions. The local structure of α-spodumene LiAlSi2 O6 is consistent with the C2/c model....0/). Keywords: quartz; cristobalite; α-spodumene; β-spodumene; α-eucryptite; β-eucryptite; petalite;...series (SiO2 -LiAlSiO4 ); β-spodumene s.s. series (SiO2 -LiAlSiO4 ); α-spodumene LiAlSi2 O6 ; petalite LiAlSi4 |  | Černý, 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 “anomalous” 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 “anomalous” 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 |  | | Journal (article/letter/editorial) | | as a late hydrothermal alteration product of spodumene, petalite and other Li-rich minerals (Penfield...quartz (qtz), SiO2; sillimanite (sill), AI2SiOs; spodumene (spd), LiAI(Si206) T (K) Absolute temperature...lithium aluminosilicates (eucryptite, petalite and spodumene) have been experimentally investigated under quartz-satured...thermodynamic data for natural eucryptite, petalite and spodumene, and presented a quanti- Experimental and analytical...Barlier 1974; petalite and spodumene from the Bikita pegmatite, Zimbabwe; kyanite from the collection |  | | 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 |  | 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 |  | | 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..._____________________—— Internal structure of the Bikita, Rhodesia, pegmatite from hanging-wall downward to footwall...______________—— 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 |  | | Journal (volume) | | minerals possibly related to late primary phases: spodumene, petalite, quartz, albite, microcline and lepidolite...contain fine veins of microcrystalline mica, spodumene and cookeite. Adularia, locally with high Rb content.... . .. ...... . ... . ..... . . . The parent pegmatite .... .. .... .. .......... ... ........ . ...... . . . ... ... . ..... . ...... . The parent pegmatite .. ... . . ......... .... . ...... .... . . ......... . .. . . ............ . . . The parent pegmatite ............... ...... . . ................ . |  | | Journal (article/letter/editorial) | | onshipto volcanismam)ears prominent areas of pegmatite developmentfrom reasonable for some of the iron-formations...BarbertonMountain Land. In the that known as the Bikita Tinfield, located at the eastlatter case.banded... 19713, whereas in the underlyin• Fig the Bikita pegmatite,one of the largestdepositsof Tree Group, ...nantlysedimentary assemblage which,however,in- Bikita deposit,which is approximately2,650 m.y. eludes...MOLYBDENUM • CORUNDUM /--• AREAOFPROMINENT (_J•PEGMATITE DEVELOPMENT •./'•' / •r'6raveloUe-M•c• , I |
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