 | | 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...you to become a Fellow and join this important group. Wear the medallion with pride! Contact Tom Gressman...China, South Africa, Namibia, Chile, Peru, Bolivia, Brazil and Mexico. His first exchange of specimens with |  | | Journal (issue) | | from the Bortolan quarry, Poços de Caldas, Minas Gerais, Brazil . . . . . . . . . . . . . . . . . . . ....probably the finest specimen known of any microlite-group species; 1.7-cm crystal in lepidolite, from...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 |  | 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) | | Pre-proof Solubility of wodginite, titanowodginite, microlite, pyrochlore, columbite-(Mn) and tantalite-(Mn)...L., Solubility of wodginite, titanowodginite, microlite, pyrochlore, columbite-(Mn) and tantalite-(Mn)...columbite, tantalite, wodginite, titanowodginite, microlite and pyrochlore. Solubility and crystallization...the solubilities of wodginite, titanowodginite, microlite and pyrochlore are compared to those for columbite-(Mn)...solubilities of wodginite, titanowodginite, and microlite compared to tantalite-(Mn) is also investigated |  | | Journal (article/letter/editorial) | | . . . . . . . . . . . . . . . . . . . Platinum group elements (PGE) . . . . . . . . . . . . . . . . ...platinum-group-element deposits . . . . . . . . . . . . 6.3. Structure-related platinum-group-element...Sedimentary platinum-group-element deposits . . . . . . . . . . 6.5. Platinum-group-element supply and...present of mining and metallurgy of lead . . . . . . . . . . . 18.7.2. Past and present of mining and metallurgy.... . . 45.1. Chemistry and mineralogy of garnet-group minerals . . . . . . . . 45.2. Magmatic garnet deposits | | | Journal (article/letter/editorial) | | . . . . . . . . . . . . . . . . . . . Platinum group elements (PGE) . . . . . . . . . . . . . . . . ...platinum-group-element deposits . . . . . . . . . . . . 6.3. Structure-related platinum-group-element...Sedimentary platinum-group-element deposits . . . . . . . . . . 6.5. Platinum-group-element supply and...present of mining and metallurgy of lead . . . . . . . . . . . 18.7.2. Past and present of mining and metallurgy.... . . 45.1. Chemistry and mineralogy of garnet-group minerals . . . . . . . . 45.2. Magmatic garnet deposits |
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Ipê mine, Golconda mining district, Governador Valadares, Minas Gerais, Brazil