 | | Journal (issue) | | L L Golconda! L L The Mineralogical Record SEPTEMBER–OCTOBER 2019 • VOLUME 50 • NUMBER 5 • $25 ...SEPTEMBER–OCTOBER 2019 Articles The Golconda District, Minas Gerais, Brazil .................................on TOURMALINE, 11.9 cm, from the Golconda I mine, Minas Gerais, Brazil Brice Gobin (Mineral Art) and Emanuele...China, South Africa, Namibia, Chile, Peru, Bolivia, Brazil and Mexico. His first exchange of specimens with...“German Silver: An Historical Perspective on Silver Mining in Germany” (1986) and “Famous Mineral Localities: |  | | Journal (article/letter/editorial) | | Minerais, Universidade Federal de Mato Grosso, Cuiabá, Brazil *Corresponding author, e-mail: rubia@cdp.ufmt.br...Universidade Federal de Ouro Preto, Ouro Preto, Brazil e-mail: hanna@degeo.ufop.br 3 Geochemical Laboratory...Province (northern Araçuai and western Governador Valadares in Minas Gerais) were analyzed for major, minor...trace elements, pegmatite, magmatic differentiation, Brazil. Introduction Muscovite is a common rock-forming...mineral after quartz, K-feldspar and plagioclase (albite variety). Although muscovite is in principle a |  | | Journal (article/letter/editorial) | | The type locality is the Jacupiranga mine, Cajati, São Paulo, Brazil. Menezesite occurs in small microcrystal-lined...of Luiz Alberto Dias Menezes Filho,* Brazilian mining engineer, mineral collector and well-known mineral...of Junior or Jr. Menezes was born in São Paulo, Brazil, on 5 October 1950, to Luiz Alberto Dias Menezes...of the University of São Paulo) with a degree in mining engineering. He then embarked on a career with...Jacupiranga mine in Cajati, São Paulo State. At Jacupiranga, Menezes worked as mine engineer in the mining and |  | | Journal (article/letter/editorial) | | in tin-tungsten deposits (such as the Panasquiera mine) and is a constituent of granite, aplite, gneiss...dark, stepped-growth crystals of muscovite with albite, 2.8 cm high, from the Strickland quarry, Portland...quartz, 6.8 cm wide, from the Santo Niño mine, Patagonia district, Santa Cruz County, Arizona. Barbara Muntyan...are 2–3 cm across, and are associated with beryl, albite, and quartz. Plumose muscovite has been found at...rosettelike habit. Associated minerals include beryl, albite, fluorapatite, and quartz. In nearby New Hampshire |  | | Journal (article/letter/editorial) | | Novák3 1811-5209/12/0008-0289$2.50 Černýite, Hugo mine, DOI: 10.2113/gselements.8.4.289 P egmatites...lepidolite LCT elbaite amblygonite albite– –spodumene albite Miarolitic REE topaz–beryl NYF ga...from Capoeira 2, Borborema Pegmatitic Province, Brazil. PHOTO : JAN LOUN (B) Meter-scale crystals of...upper contact of the Ipê pegmatite, Governador Valadares, Minas Gerais, Brazil. PHOTO : SKIP SIMMONS...been adequately considered. In the Middletown district, Connecticut, Stugard (1958) found that the Na/K |  | | Journal (issue) | | from the Bortolan quarry, Poços de Caldas, Minas Gerais, Brazil . . . . . . . . . . . . . . . . . . . ....can be applied to labels. They are as follows: Mining Engineer Shortage The decline in the number of...an effect on at least one profession: mining engineering. Mining engineers obviously have to know their...continues to grow while the number of new graduates in mining engineering has fallen so low that it is no longer...retire. “The mining engineering workforce is short by 300%,” says University of Arizona Mining Engineering |  | | Journal (article/letter/editorial) | | features draws the attention of entrepreneurs, mining engineers, mineral enthusiasts and people from...garnet-andalusite pegmatite), gem sites (e.g. Governador Valadares, Brazil, Be-B-aquamarinetourmaline pegmatite)...hosted tabularzoned (Nb/Ta-Bi-P-Be)-Li quartz-mica-albite pegmatite (spodumene), using the long version of...is displayed in Fig. 5b. The Batalha Pegmatite, Brazil, well-known for its abundance in the so-called...dike of the Batalha Pegmatite (pg) in Pernambuco, Brazil (dip is shown by the arrowheads). It is intruded |  | | Catalog/List | | Design District Annex 1518 Slocum Street • Dallas, TX 75207 Heritage Auctions Design District Annex 1518...department. It will be held in the Dallas Design district at 1518 Slocum Street on June 2, 2013. The auction...after LAUMONTITE with APOPHYLLITE Mumbai District (Bombay District), Maharashtra, India Three minerals makeup...com/5110 87003 CYANOTRICHITE Grandview (Last Chance) Mine, Grand Canyon, Coconino Co., Arizona, USA Fuzzy...Estimate: $800-$1,200 87004 KROEHNKITE Chuquicamata Mine, Calama, El Loa Province, Antofagasta Region, Chile |  | | Journal (article/letter/editorial) | | present of mining and metallurgy of lead . . . . . . . . . . . 18.7.2. Past and present of mining and metallurgy...hampering our access to mineral deposits, such as mining depth controlled among others by the geothermal...Hewett in 1927 who was able to demonstrate that in mining countries exploitation, export and import of metals...passed its climax. At the very end the domestic mining industry can no longer cater for the needs and...looked up in various publications such as the “World Mining Data”, a yearbook issued by Weber and Zsak (2007) | | | Journal (article/letter/editorial) | | present of mining and metallurgy of lead . . . . . . . . . . . 18.7.2. Past and present of mining and metallurgy...hampering our access to mineral deposits, such as mining depth controlled among others by the geothermal...Hewett in 1927 who was able to demonstrate that in mining countries exploitation, export and import of metals...passed its climax. At the very end the domestic mining industry can no longer cater for the needs and...looked up in various publications such as the “World Mining Data”, a yearbook issued by Weber and Zsak (2007) |  | McNeil, Alysha G., Linnen, Robert L., Flemming, Roberta L. (2020) Solubility of wodginite, titanowodginite, microlite, pyrochlore, columbite-(Mn) and tantalite-(Mn) in flux-rich haplogranitic melts between 700° and 850 °C and 200 MPa. Lithos, 352. 105239 doi:10.1016/j.lithos.2019.105239 | Journal (article/letter/editorial) | | microlite (Ipê mine, Brazil), pyrochlore 96 (Vishnevogorsk, Russia) and wodginite (Linopolis District, Brazil)... MPa water saturated granite minimum meets the albite-orthoclase tie line in melts containing 102 phosphorus...UK); Amelia albite for Na; monazite for 168 Ce and La (Buenopolis, Minas Gerais, Brazil); synthetic...monomineralic quartz zone, and a late stage fine grained albite and mica zone. Through 587 these experiments |
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Ipê mine, Golconda mining district, Governador Valadares, Minas Gerais, Brazil