 | | Journal (article/letter/editorial) | | uraninite at the graniterelated Buraco do Ouro gold mine, Cavalcante, Central Brazil J. MENEZ * AND N. F. BOTELHO...Universidade de Brasília, Brasília, DF 70910-900, Brazil [Received 16 February 2015; Accepted 21 March 2016;...have been reported in the northeastern part of Goiás State since the beginning of the 18th Century. The...Formation. In the Buraco do Ouro gold mine, the mineralization is hosted in muscovite-quartz mylonite in a...mylonites in a gangue consisting of muscovite, quartz and rare tourmaline. High TiO2 muscovite clasts |  | | Report (issue) | | X-ray Powder Pattern: Buraco do Ouro gold mine, Cavalcante town, Goiás State, Brazil. 1.838 (100), 1.172...30.33 . 100.00 (1) Buraco do Ouro gold mine, Cavalcante town, Goiás State, Brazil; average of 8 electron... Occurrence: In a hydrothermal gold deposit in quartz-muscovite-rich zones of a mylonite cutting peraluminous...muscovite, quartz, tourmaline, magnetite. Distribution: From the Buraco do Ouro gold mine, Cavalcante town...town, Goiás State, central Brazil. Name: For the Kalunga people, a community of descendants of African slaves |  | Botelho, N. F., Moura, M. A., Peterson, R. C., Stanley, C. J., Silva, D. V. G. (2006) Kalungaite, PdAsSe, a new platinum-group mineral from the Buraco do Ouro gold mine, Cavalcante, Goiás State, Brazil. Mineralogical Magazine, 70 (1) 123-130 doi:10.1180/0026461067010318 | Journal (article/letter/editorial) | | platinum-group mineral from the Buraco do Ouro gold mine, Cavalcante, Goiäs State, Brazil N. F. BOTELHO1,*, M...GeocieÃncias, Universidade de BrasõÂlia, DF, 70910-900 Brazil 2Department of Geological Sciences and Geological...in the Buraco do Ouro gold mine, Cavalcante town, GoiaÂs State, Brazil. It occurs in a quartz-muscovite...sperrylite and padmaite. Gangue minerals are muscovite, quartz and rare tourmaline and magnetite. Kalungaite is...Kalungaite, PdAsSe, new mineral species, Brazil, Buraco do Ouro, gold deposit. Introduction KALUNGAITE |  | | Report (issue) | | 02Ag0.03Se0.94S0.02. (2) Buraco do Ouro mine, Cavalcante, Goiás State, Central Brazil; electron microprobe...minor K-metasomatism) granite-related mylonite (Brazil). An uncommon component in placer deposits. Association:...dolomite, quartz (Russia); clausthalite, kalungaite, sperrylite, uraninite, paraguanajuatite (Brazil). Distribution:...Russia [TL]. At the Buraco do Ouro gold mine, Cavalcante, Goiás State, Central Brazil. In the Jinchuan intrusion...uraninite at the granite-related Buraco do Ouro gold mine, Cavalcante, Central Brazil. Mineral. Mag., 81(3), 463-475 |  | | Journal (article/letter/editorial) | | Challacolloite was described from the Challacollo silver mine, south east of Iquique, Atacama desert, northern...discussed in the publication. At the Challacollo mine, it occurs intergrown with cotunnite (PbCl2) and...anglesite, nitratine, anhydrite, and ßuorite in quartz vugs. At Vesuvius, it is also found associated...powder X-ray diffraction pattern for the Challacollo mine sample (Philips X’pert powder diffractometer, CuKα...platinum-group mineral from the Buraco do Ouro gold mine, Cavalcante, Goi’s State, Brazil. Mineral. Mag., 70, 123–130 |  | | Journal (article/letter/editorial) | | meteorite Charles T. Prewitt Polymorphous with quartz SiO2 Orthorhombic: Pbcn or Pb2n; structure determined... 2.107(94) IMA No. 2004–013 Fernando-do-Noronha Island, Brazil Frank C. Hawthorne (Ba,K)(Mg,Fe2+,Ti4+)3...MINERALS APPROVED IN IMA No. 2004–016 Silver Gill mine, Cumbria, United Kingdom Joseph J. Pluth Cu6(OH)10(SO4)•H2O... 2.959(20), 2.038(17) IMA No. 2004–018 Mariposa mine, Texas, USA Andrew C. Roberts Hg2+3O2Cl2 Oxyhalide...967(5), 2.895(3), 2.400(4) IMA No. 2004–040 Iron mine, Kovdor massif, Kola Peninsula, Russia Nikita V |  | Flégr, Tomáš, Sejkora, Jiří, Škácha, Pavel, Dolníček, Zdeněk (2018) New occurrence of kruťaite and petříčekite at the former uranium mine Slavkovice, western Moravia, Czech Republic. Bulletin Mineralogie Petrologie, 26 (2) 250-258 | Journal (article/letter/editorial) | | of kruťaite and petříčekite at the former uranium mine Slavkovice, western Moravia, Czech Republic Tomáš...of kruťaite and petříčekite at the former uranium mine Slavkovice, western Moravia, Czech Republic. Bull...museum samples of vein fillings from the uranium mine Slavkovice, western Moravia (Czech Republic). Kruťaite...was originally described from the former uranium mine Petrovice, western Moravia (Johan et al. 1972)....localities e. g. El Dragón mine, Bolivia (Grundman et al. 1990), Cacheuta mine, Argentina (Paar et al. 1996) |  | | Journal (article/letter/editorial) | | peraluminous Aurumina Granite Suite in central Brazil: an example of mantle-continental crust interaction...peraluminous Aurumina Granite Suite in central Brazil: an example of mantle-continental crust interaction...peraluminous Aurumina Granite Suite in central Brazil: an example of mantlecontinental crust interaction...Ribeiro, Asa Norte, CEP 70910-900 Brasília, DF, Brazil Abstract Peraluminous granites and tonalites/granodiorites...crops out over more than 15,200 km2 in central Brazil, representing a voluminous peraluminous magmatic |  | | Journal (issue) | | Newsletter $3.00 The Rock Dam Gold Prospect A New Quartz Locality, Dickinson Co., Mich~g_an Shawn M. Carlson...themselves are thoroughly unglamorous, yielding neither quartz crystals nor any noteworthy accessory minerals...prospects, Bayley (1904) states that, "some of these quartz veins contain small quantities of free gold, as...clippings from 188 I wax skeptical, saying that, " ... quartz has been found and samples assayed which panned...scheduled and being the weekend of the Mt. Ida Quartz Festival could be advantageous for making some |  | Prichard, Hazel M., Knight, Robert D., Fisher, Peter C., McDonald, Iain, Zhou, Mei-Fu, Wang, Christina Y. (2013) Distribution of platinum-group elements in magmatic and altered ores in the Jinchuan intrusion, China: an example of selenium remobilization by postmagmatic fluids. Mineralium Deposita, 48 (6) 767-786 doi:10.1007/s00126-013-0454-7 | Journal (article/letter/editorial) | | concentrated mainly in pentlandite. In contrast, Pt and Au do not partition into BMS and instead form discrete...and limestone and the younger Hanmushan sericite– quartz schists, calcareous schists, and limestone breccias...serpentinization as for example in the Bacuri complex in Amapa Brazil (Prichard et al. 2001) in the Shetland ophiolite...Musonoï Mine, DRC Harz Mts, Germany Předbořice Czech Rep. Serra Pelada, Brazil Milotaite Cavalcante Brazil...Kalungaite (PdAsSe) padmaite (PdBiSe) Gongo Soco MG Brazil Chrisstanleyite Pd8Hg3Se9, Pd5(Hg,Sb,Ag)2Se6 (Pd |  | | Journal (issue) | | mountains now, but there are many old mines and mine dumps to attract the mineral collector. The range...Rouse, 1974), the secondary minerals of the Travonia Mine in the Boulder Creek District near Maxville (French...and of the secondary minerals of the Scratch Awl Mine near Philipsburg (French, 2005). Some of us who...area. Lanny Ream photo. Exploration was done on a quartz vein that is several feet in width. The vein is...white massive quartz. There are minor small cavities which are often lined with large quartz crystal faces |  | | Book | | BARTORELLI ::• . . .. MINERALS & PRECIOUS STONES OF BRAZIL Sponsored by: VALE MINISTER.IO DA CULTURA ©...Crystal of multicolored tourmaline (84 x 26 mm), Lavra do Sapo, Ferruginha, Conselheiro Pena, Minas Gerais...(Camara Brasileira do Livro, SP, Brazil) Cornejo, Carlos .Minerals & precious stones of Brazil. Carlos Cornejo...pedras preciosas do Brasil Bibliography 1. Gemology 2. Geology 3. Minerals - Brazil 4. Minerals- Classification... Mineralogy 6. Mineralogy - Brazil - History 7. Precious stones - Brazil I. Bartorelli, Andrea. II. Title |  | | Report (issue) | | minerals (dark gray to black areas), quartz (light gray areas), and quartz and a minor amount of illite (beige...white areas). Sample is from the Buckskin National Mine, Humboldt County, Nevada. Photograph by Peter Vikre...............................................Q26 Mine Waste Characteristics.............................1989). The total U.S. supply was always higher than mine production during this period, with a high of 831...as indicated in fig Q3.) The difference between mine production and total supply was owing to the refineries’ |  | | Book (edition) | | Metal : Oxygen = 1:2 (MO2 and related compounds) Quartz IV/D.01-10 Silica, amorphous IV/D.01-80 Rutile...mineral, although in many cases, Environment these do not cover all possible genetic conditions. Reflection...bireflectance. Isotropic minerals, such as pyrite or galena, do not show bireflectance. Anisotropic minerals possess...Isotropic minerals, such as pyrite or galena, generally do not show anisotropy (although some exceptions are...Reflections: Reflectance [%]: Anisotropy: Pleochroism: quartz veins, alluvial deposits gold-yellow, silver-white |  | | Book (edition) | | prepared as polished sections, which I was able to do in the lapidary of the Earth Science Department at...example for such a situations can be seen in euhedral quartz crystals embedded in the sulfide matrix of fossil...normally contain amorphous silica/opal rather than quartz in its initial stages, as is the case in modern...settings are specified, although in many cases, these do not cover all possible genetic conditions. Type...Group and both possess a strong bireflectance (as do the other members of the group). PPL, XPL The polarisers |  | | Book (edition) | | MINE andtheir LOCALITIES JAN H. BERNARD AND JAROSLAV HYRSL INERALS DESCRIBED SINCE 2004 MINERALS...dist., China Fluomatromicrolite, x 25111111, Naipa mine, Mozambique Daliranite, 5111111, Zarshouran Au-As...Domafov, Czech Rep. Juangodoyite, 60111111, Santa Rosa mine, Chile Back cover photo: Ho/fertile on hematite...piment pseudomo,phs after realga,; 75 mm, Palomo mine, Pen, Page 3: Stepite on arsenic, 45 111111,Jachymov...2(4) - 4.0(6) - 2.58(10) - 2.04(5). At the Kiura mine, Saiki City, Oita pref., Japan. IMA 2012-101. Adolfpateraite |  | | Book (edition) | | of The Fleischer s Glossary of Mineral Species, I do so with somc sadness. On September 18, 2007, my Teacher...Thomas Armbrusler (Switzerland). Daniel Atcncio (Brazil). Malcolm Back (Canada), Henry L. Barwood (USA)...Abernathyitc, K[(UO 2 )(AsO,)](HP) 3, tet., Fumerole No. 2 mine, Temple Mountain. on the southeast flank of the...104(3). 326-328 □ Achavnlitc, FcSe, hex .. Cacheuta Mine. Ccrro de Cacheuta. Sierra de Cacheuta. Mcndoza...AgardJte-(Ce), CeCu.(AsO4)i(OH).-3H1O, hex., Clara mine, central Black Forest, Gennany,A1ifSS(2004),17-23 |  | | Report (issue) | | rare-earth elements, and antimony in China; niobium in Brazil; and platinum-group elements in South Africa and....B3 Graph showing dates associated with all the mine sites on the U.S. Environmental Protection Agency’s...production, U.S. apparent consumption, and U.S. mine production of antimony from 1900 to 2012............................F2 Graph showing world cobalt mine and refinery production and apparent consumption.....................F2 Graph showing world cobalt mine production from 1950 to 2011................... |
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