 | | Journal (article/letter/editorial) | | “schorl” on albite, 16.8 × 16.0 × 14.3 cm, Urucum mine, Minas Gerais, Brazil; Joe Budd photo, courtesy...morganite, spodumene variety kunzite, with quartz, lepidolite, and albite, 26 × 17 × 13 cm, Kunar Valley, Nuristan...colorless beryl variety goshenite from the Tanco mine, Bernic Lake, Manitoba, 6.2 × 4.0 × 4.8 cm; David...pocket, the 1991 London Pocket at the Little Three mine, Ramona, California (3 × 2 × 1 meters), displaying...et al. (1963) Souchon Kamativi mine, Zimbabwe complex Li lepidolite 202 Gallagher (1975) Rijks and |  | | Journal (article/letter/editorial) | | (mainly Rwanda and the DR Congo), around the Kenticha mine (Ethiopia) and in the Alto Ligonha Province (Mozambique)...the Congo Craton (DR Congo), the Kamativi Belt (Zimbabwe) and the Jos Plateau (Nigeria); Mn-rich columbite-tantalite...Fetherston, 2004; Melcher et al., 2015). Central-East African countries have an almost 100-year-long history...Nigeria Rwanda Africa total World mine production % Africa/world Ta mine production 2008 2009 2010 2011...(Sn) mining, starting in former Rhodesia (now Zimbabwe), Katanga (former province of the DRC) and Nigeria |  | 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)...Neoproterozoic (1000-542 Ma) TE 4.3.1. Kibara Belt (east-central Africa) 4.3.1.1. Radiometric data CE P...Mineralogy 4.3.2. Kamativi Schist Belt (western Zimbabwe) 4.3.3. Orange River Pegmatite Belt (Namibia,...Birimian TE 5.1.4. Kaapvaal Craton D 5.1.3. Zimbabwe Craton 5.2.2. North-eastern DRC 5.3. Neoproterozoic...(Democratic Republic of the Congo), the Kamativi Belt (Zimbabwe) and the Jos Plateau (Nigeria). Mn-rich columbite-tantalite |  | | Journal (article/letter/editorial) | | a l s o prominent within the Mozambique belt in East Africa. Mozambique and Madagascar and within the...pegmatite procince is lound in the basement rocks o f Zimbabwe. Although beryl has hccn the most important mineral...Rwanda, eastern Zaire, and in the Mommbique belt of East Africa, Mozambique, and Madagascar, and in the Damaran...lithium pegmatites of Zimbabwe are found within much older basement rocks of the Zimbabwe craton. 2. The economically...Manono. Shaba, Zaire: 5. Kamativi. Zimbabwe. 6. Bikita. Zimbabwe; 7. Karibib area. Namibia; 8. Noumas |  | 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) | | importance, and petalite, eucryptite (LiAlSiO4) and lepidolite (KLi2AlSi4O10F2) are less common. Some pegmatites...explored or mined in the Pala district of California, White Picacho district in Arizona, Harding and Pidlite...pegmatites are found in Quebec, surrounding and east of the Pressiac–Lamotte granites, as well as in...province, Brazil. Pegmatites in the São João del Rei district, which includes the Volta Grande area, are both...1964; Lagache and Quemeneur, 1997). The Araçuaí district to the north contains more than 300 pegmatite |  | | Journal (article/letter/editorial) | | yttrotantalite, sphalerite; Gundlebo -cleavelandite, lepidolite, topaz, sphalerite, fluorite. Both bodies, rn'hich...Memorial Phoenix Project 204. The analysis of the lepidolite was made as part of the University of I\{ichigan...northwest of the Gundlebo pegmatite,dips to the east, whereasthe Gundlebo pegmatite dips about 50-60'w...general westerly dip is locally reversedto steepto the east. The body cuts across the structure of a biotitic...massesof cleavelandite,large books and aggregatesof lepidolite, blocky subhedra and crystals oI topaz, pods |  | | Journal (article/letter/editorial) | | pegmatites. While studyingpegmatitesin the Mtoko District in the NE corner of SouthernRhodesia, the writer...4--from around Benson 1 pegmatite. A well zoned body with considerable spodumene and lepidolite. Appreciable...Appreciable quantities of beryl are present. 5--from Benson 2 pegmatite, containing economic deposits of Ta/Nb...amblygonite and lepidolite. 6, 7--from Benson3 pegmatite. A similar pegmatite to Benson 2 though with a...spodumene-bearingbody with very little beryl. 11--from Benson 9, a beryl-bearing pegmatite withnoindependent |  | | Journal (article/letter/editorial) | | Geology and Geophysics, University of Oklahoma, 100 East Boyd Street, 810 Energy Center, Norman, OK 73019...Muscovite (evolved magmatic) Muscovite (pegmatitic) Lepidolite (pegmatitic) Biotite Cordierite (migmatitic)...Kamativi mine, Zimbabwe Augustus near Salisbury, Zimbabwe Mistress near Salisbury, Zimbabwe Benson 1 Mtoko...Mtoko district, Zimbabwe Benson 4 Mtoko district, Zimbabwe Benson 2 Mtoko district, Zimbabwe Al Hayat Bikita...Bikita district, Zimbabwe Bikita Main Bikita district, Zimbabwe Unnamed Pegmatite Gobi Field, East Gobi |  | 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...the two LCT pegmatite deposits at Bikita in the Zimbabwe Craton and Tanco in the Superior Craton in Canada...Neo-Archean ages at *2625 Ma. A closure of the Tanco Mine for safety reasons and an imminent depletion of...Limited) for permissions to enter and sample the mine site at Cattlin Creek. Peter Stockman, Michael Herbert |  | | 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...for views of Wankie Colliery and the Trojan nickel mine, and to the Photographic Section of the Ministry...near Salisbury. facing page 23 IV Trojan Nickel Mine, near Bindura. facing page 33 V The Great Dyke...Complex. VI Chrome seam in the Great Dyke, Vanad Mine. VII Lower Karoo Landscape. No. 1 Colliery, Wankie |  | | Journal (article/letter/editorial) | | 458 Simpsonite and stibiotantalite from Benson pegmatite mine, Mtoko, Southern Rhodesia. By O. vox KNORRIXG...of a number of pegmatites that comprise the Benson mine at Mtoko, in the north-eastern part of Southern...Several of the forty pegmatites that occur in the Benson mine have stages containing a suite of minerals typical...California, where it is associated with pink beryl, lepidolite, pink tourmaline, and some cassiterite. At the...Colorado, is associated with pink tourmaline, lepidolite, eolumbite, euxenite, and mierolite. Excellent |  | | Journal (article/letter/editorial) | | the lithium amphibole holmquistite, from Benson pegmatite mine, Mtoko, Southern Rhodesia. By O. yon K~ORRINO...holmqnistite was found by one of us (G. H.) on the Benson claims during an investigation of pegmatites in...immediately adjacent to the Benson claims (17~ 2' S., 32 ~ 15' E.). The Benson lithium pegmatites are the...of economic minerals: amblygonite, spodumene, lepidolite, beryl (white, green, pink, and orange), ponucite...simpsonite. In the main holmquistite occurrence at Benson 1, the marginal zone of the amphibolite has been |  | | Journal (article/letter/editorial) | | fluorphlogopite was as stable as some muscovites. Lepidolite was the most stable mica. Primary factors affecting...however, to replace any K+ from a muscovite, lepidolite or synthetic fluorphlogopite. It was reasoned...Carolina; one biotite, one phlogopite, and one lepidolite obtained from Ward's Natural Science Establishment...muscovite Ruby muscovite Dark green biotite Lavender lepidolite Brown phlogopite Colorless fiuorphlogopite M6...Near old Westall mine, Yancey Co., N.C. Hoot Owl Hollow, Mitchell Co., N.C. Hoot Owl Mine, Mitchell Co. |  | | Journal (article/letter/editorial) | | highly variable age, e.g., [8]. USA, Brazil, and Zimbabwe. In addition to the classic spodumene ores, exploration...with a high and lithium phosphates the USA, and Zimbabwe. Incontent additionoftolepidolite the classic...focused on pegmatites with a high content of lepidolite and zones [9]. phosphates (e.g., montebrasite...from Elba lepidolite [13]. lithium was also separated by Italian chemists from Elba lepidolite [13]. Figure...crystals;(Elba pale violet aggregates ofshowing lepidolite their (Lpd);typical association of lithium minerals: |  | | Journal (issue) | | and paragenesis of the Little Three mine pegmatites, Ramona district, San Diego County, California ......elbaite and crystals o f lepidolite, plus an interesting range o f rare species. The mine, first opened in 1903...Three mine is one of several mines located on the Little Three property in the Ramona district, San Diego...Diego County, California. This mine, strictly speaking, is developed in the Little Three main dike, one...material produced from the Mursinka-Alabashka District, Urals, and the Volyn pegmatites in the Ukraine |  | | Journal (issue) | | Industry Background image: Miners at the Pala Chief Mine, San Diego Country, California, circa 1903. On the...They are Found zite (201 cts) is from the Oceanview Mine in Southern California; the 0.72-ct benitoite (left...Century-Old Legacy blue) is from the Dallas Gem Mine area, San America’s Royal Gems – Montana and Yogo... State of Maine phires is from the Gem Mountain Mine, GranTantalizing Turquoise ite Country, Montana...Rare and Beautiful American Gemstone and original mine image by Mark Mauthner. Red Beryl – A Very Rare |  | | Journal (article/letter/editorial) | | At present am employed at Magma Copper Company's mine here in Superior. No doubt you are familiar with..."For the collector of lead minerals, the Red Cloud Mine in Yuma Co., Ariz., is of considerable interest...the scarce, vital metals it contained. "Today the mine is reached by a barely possable road from Martinez...Connecticut and my visit with Richard Schooner of East Hampton, Conn. We spent the whole day in visiting...fortunate in finding columbite, cookeite, beryl, lepidolite and spodumene. Since all the water has been drained |  | | Journal (article/letter/editorial) | | 20-cm-high specimen, called The Torch, from the Santiño mine, Catalan Grande, Artigas, Uruguay. Paradise Woods...Gem and Mineral Society Elbaite with Lepidolite. Pederneira Mine, Sao Jose da Safira, Minas Gerais, Brazil...TUCSON - � Quality Inn - Benson Hwy. - I-10, Exit 262, NE corner of Benson Hwy at Park � InnSuites Hotel...Drachman Special Wholesale Ballroom - Quality Inn-Benson Hwy. DAVE BUNK MINERALS � ROCKS OF AGES BOOKS |  | | Journal (article/letter/editorial) | | history. Their backgrounds range from academia to mine operators and from museum staff and others concerned...� ROCKS OF AGES BOOKS AND MINERALS Quality Inn-Benson Hwy. Amethyst - Frederick Wilda © 2008 A Mineral...locations ~ Quality Inn - Benson Hwy. I-10, Exit 262, Northeast corner of Benson Hwy at Park InnSuites...Gem and Mineral Society Elbaite with Lepidolite. Pederneira Mine, Sao Jose da Safira, Minas Gerais, Brazil |  | | Book | | volume is dedicated is four-fold: (1) To locate by mine, deposit, or community those mineralized areas of...VILLAGE SPRINGS, Blount Co. Hematite WOODS COPPER MINE, Cloaburne Co. Sphalerite ARIZONA COVEI.I.ITE...Onyx Marble COPPER QUEEN MINE, Cochise Co. Azurite CLIFTON-MORENCI DISTRICT, Greenlee Co Chalcedony DEER...DEFIANCE, Apache Co., 10 mi. N. of, Olivine FRENCH MINE, Santa Cruz Cruz Co^ near Harshaw Rhodocrrosite...4 GREATERVILLE, Pima Co. Onyx Marble HAPPY JACK MINE, Santa Cruz Co. Uraninite HELVETIA, Pima Co. ♦Fluorspar |  | | Journal (issue) | | Reclamation. Benson Earth Sciences Auditorium (180). “All talks are held in the Benson Earth Sciences...beer, and non-alcoholic drinks will be held in Benson 185. Social hour is a great opportunity to discuss...Mexico on November 9, 2019. He spoke on the Cresson Mine of Cripple Creek, Colorado. In conjunction with...up a case with rock and minerals from the Cresson Mine. Participants were able to view the case for the...clearly. Murmansk (the capital) Oblast (an official district or province) in the Kola Peninsula (a geographical |  | | Journal (issue) | | Scovil photo. Vanadinite, 2.4 cm, from the Apache mine, Arizona. Collected by Evan Jones; Jeff Scovil photo...Miglioli photo. Fluorite, 7.4 cm, from the La Barre mine, France. Collected by Aubin Cosson; Niels Brouwer... from left: Caledonite, 1.1 cm, from the Reward mine, California. Collected by Jeff Lines; Ben DeCamp...Thrill of Discovery by Wendell Wilson Epilog: On Mine Safety UThe Field-CollectorsV Anthony J. Albini...Reinhold Bacher Andrea Bartorelli Alan & Elise Benson Anatoly Bitny Stan Bogosian Phil Bové Bryon Brookmyer |  | | Book | | REMARKS by PROFESSOR R. A. L. BLACK 95 MISTRESS MINE by H.J. MARTIN 96 DELEGATES IN ATTENDANCE • INDEX...excess of 12 million pound, already. valued ·at mine·. The main minerals. of cot1r,e. have been tin....particularly the tructure at depth. As Minister of Mine . 1 am extremely interested in the po sibilities...Amblygonite . . Beryl Col u m bite Feldspar . . Lepidolite Lithium . . Mia M icrolite Mona.zite Tantalum...the unwcathcred zone. is much more expensive to mine. The coarse beryl con tent of many pcgmatites is |  | | Report (issue) | | black sand of the mountain gulches, chiefly from the east slope of Laguna Mountain, in the southern part of...end of Viejas Mountain, east of Alpine; and in the Defiance copper district, north of the Santa Margarita...dike at the Himalaya mine, Mesa Grande, and with topaz from the Little Three gem mine, Ramona. The original...dike which yielded the cassiterite crops out on the east side of Chihuahua Valley, about 2 miles south of...Riverside and San Diego counties and about 10 miles east of Oak Grove, in the SW. f sec. 12, R. 3 E., T. |  | | Report (issue) | | though with a somewhat more marked relief, and on the east it is adjoined by the great Spearfish Canyon, which...Simmons, of Rapid, sent specimens from the Etta mine, 2 miles south of Keystone, to San Francisco for...companies are now engaged in an earnest effort to mine tin, one at Hill City and one at Tinton. No wolframite...discovery of tin at the Etta mine, in 1883, a number of companies were formed to mine the metal. These companies...Mills were put up about a mile east of Hill City and at the Etta mine, near Keystone, at a cost of many |
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