 | | 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 (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)...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...Hanging wall mica schist on top of the Ipê Pegmatite, Brazil. The low-angle schistosity (red lines) runs |  | | 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)...monazite for 168 Ce and La (Buenopolis, Minas Gerais, Brazil); synthetic SrTiO2 (C.M. Taylor) for Sr;...columbite-(Mn), 795 tantalite-(Mn), hafnon, and zircon at 800°–850 °C and 200 MPa. The Canadian 796 ...Fontana, E., Jarvis, K., Lamarão, C., 2013. 804 Zircon/rock partition coefficients of REEs, Y, Th, U,...Hanchar, J.M., 2010. Solubility of manganotantalite, zircon and 843 hafnon in highly fluxed peralkaline to |
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Ipê mine, Golconda mining district, Governador Valadares, Minas Gerais, Brazil