 | | Journal (article/letter/editorial) | | Origin of the El Dragón Selenium Mineralization, Quijarro Province, Potosí, Bolivia Günter Grundmann...April 2017 Abstract: A re-examination of the El Dragón vein-type Se deposit using polarized light microscopy...by volcanic-hydrothermal activities around the Porco caldera, formation of the mineralization involved...endmember penroseite; vaesite; genetic sequence; El Dragón; Bolivia 1. Introduction Research on selenium minerals...for the two selenium occurrences in the Andes of Bolivia: Virgen de Surumi (also known as “Pacajake”) [12 |  | Paar, W. H., Cooper, M. A., Moelo, Y., Stanley, C. J., Putz, H., Topa, D., Roberts, A. C., Stirling, J., Raith, J. G., Rowe, R. (2012) Eldragónite, Cu6BiSe4(Se2), A new mineral species from the El Dragón Mine, Potosí, Bolivia, and its crystal structure. The Canadian Mineralogist, 50 (2) 281-294 doi:10.3749/canmin.50.2.281 | Journal (article/letter/editorial) | | Cu6BiSe4(Se2), A NEW MINERAL SPECIES FROM THE EL DRAGÓN MINE, POTOSÍ, BOLIVIA, AND ITS CRYSTAL STRUCTURE Werner H...selenides at the El Dragón mine, Province of Quijarro, Department of Potosí, Bolivia. It forms inclusions...structure, El Dragón mine, Quijarro, Potosí, Bolivia. Introduction The Andean mountain ranges of Bolivia and...mineralization. Bolivia is famous for two selenide occurrences: El Dragón, province of Quijarro, and Pacajake...Hiaco de Charcas, both in the Department of Potosí. At El Dragón, Grundmann et al. (1990) described a single |  | Förster, Hans-Jürgen, Bindi, Luca, Stanley, Chris J., Grundmann, Günter (2017) Hansblockite, (Cu,Hg)(Bi,Pb)Se2, the monoclinic polymorph of grundmannite: a new mineral from the Se mineralization at El Dragón (Bolivia) Mineralogical Magazine, 81 (3) 629-640 doi:10.1180/minmag.2016.080.115 | Journal (article/letter/editorial) | | new mineral from the Se mineralization at El Dragón (Bolivia) HANS-JÜRGEN FÖRSTER1,*, LUCA BINDI2, CHRIS...Hg)(Bi,Pb)Se2, is a new selenide from the El Dragόn mine, Bolivia. It typically occurs in thin subparallel...crystal structure, selenium, El Dragόn, Bolivia. Introduction THE Andes of Bolivia host two volumetrically...district of Hiaco de Charcas, and El Dragόn, Province of Antonio Quijarro, both in the *E-mail: hans-juergen...Society Department of Potosí. The geology and ore mineralization of the El Dragόn mine was first explored |  | | Journal (article/letter/editorial) | | contain two anionic groups: selenate and selenite (schmiederite), selenate and sulphate (olsacherite), and selenate...contain two anionic groups: selenate and selenite (schmiederite), selenate and sulphate (olsacherite), and selenate...Chemical weathering [6] 1 Gemmi et al. (2012) Schmiederite Sofiite Pb2Cu2(SeO3)(SeO4)(OH)4 Zn2(SeO3)Cl2...Cacheuta Mine, Mendoza, Argentina; 2 – Virgen de Surumi mine, Potosí Department, Bolivia; 3 – El Dragón mine...mine, Potosí Department, Bolivia; 4 – Iron Monarch open cut, South Australia; 5 – Tolbachik volcano, Kamchatka |  | | Journal (article/letter/editorial) | | Selenium-rich secondary minerals from the Baccu Locci mine (Sardinia, Italy) Italo Campostrini and Carlo M...Selenium-rich secondary minerals from the Baccu Locci mine (Sardinia, Italy). – N. Jb. Miner. Abh. (177): 37–...such as francisite, mandarinoite, olsacherite, schmiederite and selenium-rich varieties of beaverite, brochantite...sulfur have been observed in the old lead – arsenic mine at Baccu Locci, near Villaputzu, Sardinia (Italy)...chemistry. Introduction In the last years, the old mine at Baccu Locci near Villaputzu, Sardinia, has attained |  | | Journal (article/letter/editorial) | | the south part of the Koashva open pit (Vostochnyi mine), Mt. Koashva, Khibiny alkaline complex in Kola...andorite homeotypic series from the Monte Arsiccio mine, Apuan Alps. European Journal of Mineralogy, 30...Arsiccio mine, Stazzema, Apuan Alps, Tuscany, Italy (43°58′16″N, 10°17′05″E). The Monte Arsiccio mine exploited...knowledge of magmatic activity in the Tuscan Magmatic Province and the related ore deposits, in particular, the...arsenic analogue of medaite, from the Molinello mine, Liguria, Italy: occurrence and crystal structure |  | | Journal (article/letter/editorial) | | Hope's Nose, England (Stanley et al., 1990); El Dragón , Bolivia (Grundmann et al., 1990); and Cerro Cacho...processes produced azurite, malachite, calcomenite, schmiederite, atacamite and paraatacamite, and Fe-oxides...supergene assemblage comprises the Se minerals schmiederite, chalcomenite and molybdomenite as well as native...deposit occurs in an F-rich silicic large igneous province (Mc Phie et al., 2011). IOCG deposits in the Andean...the Mesozoic Patagonian Silicic Large Igneous Province that resulted from the crustal melting linked |  | | Report (issue) | | 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’...of selenium-rich high-grade ores from the Horne Mine at Noranda, Quebec, Canada; by 1950, Canada’s production |  | | Report (issue) | | .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......................F4. Pie chart showing percentage of world cobalt mine production in 2011, by country................. |
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El Dragón mine, Porco Municipality, Antonio Quijarro Province, Potosí, Bolivia