👁 Image
| | 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 | 👁 Image
| | Report (issue) | | Powder Pattern: El Dragón mine, Antonio Quijarro Province, Potosí Department, Bolivia.
5.67 (100), 3.470...92
100.00
(1) El Dragón mine, Antonio Quijarro Province, Potosí Department, Bolivia; average of 6 electron...hosted by sandstones and shales.
Association: Ahlfeldite, allophane, calcite, chalcomenite, malachite...Distribution: From the El Dragón mine, Antonio Quijarro Province, Potosí Department, Bolivia.
Name: Honors Georges...Favreauite, a new selenite mineral from the El Dragón mine, Bolivia. Eur. J.
Mineral., 26(6), 771-781.
(2) | 👁 Image
| Paar, W. H., Cooper, M. A., Moëlo, 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 | 👁 Image
| | Journal (article/letter/editorial) | | Formation at type locality*
m**
Reference
Ahlfeldite
Alfredopetrovite
NiSeO3⋅2H2O
Al2(SeO3)3·6H2O...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...Kamchatka, Russia; 6 – Baccu Locci Mine, Sardinia, Italy; 7 –
Musonoi Mine, Katanga (Shaba), Democratic Republic...Shinkolobwe Mine, Katanga (Shaba), Democratic Republic of Congo
(Zaïre); 9 – Repete Mine, Utah, USA; | 👁 Image
| | 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 | 👁 Image
| | Journal (article/letter/editorial) | | for the first time at Pacajake mine near Hiaco, Colquechaca, Bolivia [6], where it is associated with...selenides and selenium-bearing sulfides such as ahlfeldite (NiSeO3 ·2H2 O), cobaltomenite (CoSeO3 ·2H2 O)...ferric selenite hydrate crystal from De Lamar silver mine was studied by Hawthorne [7], who derived the ideal...selenium-bearing deposits (e.g., Virgen de Surumi mine [6], El Dragón mine [25], Baccu oxidation zones of some selenium-bearing...deposits (e.g., Virgen de Surumi mine [6], El Dragón mine Locci Mine [26]). can [26]). be seen, and oxides | 👁 Image
| | Journal (article/letter/editorial) | | found on a
specimen from the El Dragón mine, Potosí Department, Bolivia, and was described by an international...Anthony R. Kampf (Kampf
et al. 2015). El Dragón is a small mine with a unique
mineralization, comprising...felsöbányaite, and secondary selenium minerals such as ahlfeldite, chalcomenite, favreauite, and molybdomenite...mineral dealer, in recognition of his
long work in Bolivia and the many articles he has
published about Bolivian...learned Spanish. After graduation he found a job in Bolivia and started collecting Bolivian minerals, then | 👁 Image
| | Journal (article/letter/editorial) | | Bytíz (Česká republika) Clinochalcomenite from the mine dump of shaft No. 11A, Příbram - Bytíz (Czech Republic)...clinochalcomenite, was found in samples from the mine dump material of the shaft No. 11A Příbram-Bytíz...Cu selenides in calcite gangue in environment of mine dump material. Key words: clinochalcomenite, supergene...neschváleným jménem klinochalkomenit popsán z lokalit El Dragón v Bolívii (Grundmann et al. 1990), Ronneburger...Rüger 1998) a Musonoi mine v Kongu (Wilson 2018). Materiál z lokality El Dragón byl také využit při spektroskopickém | 👁 Image
| | 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 | 👁 Image
| | Journal (article/letter/editorial) | | Cu4FBr(OH)6, is a
new mineral found at the Great Australia mine, Cloncurry,
Queensland, Australia. An assemblage...hemimorphite. Mojaveite was discovered at the
Aga mine where it occurs with cerussite, chrysocolla, khinite...(2015) As-bearing new mineral species from
Valletta mine, Maira Valley, Piedmont, Italy: II. Braccoite,
...mineral found in the Valletta mine dumps, in Maira
Valley, Cuneo province, Piedmont, Italy. It is associated...Mountain,
near the village of Chanabaya, Iquique Province, Tarapacá region,
Chile (22°55ʹS; 70°08ʹW). The | 👁 Image
| | Journal (issue) | | Thirty-four, Number Four
Articles
The El Desierto sulfur mine, Potosí, Bolivia . . . . . . . . . . . . . . ....of the Mazarrón-Águilas mining district,
Murcia Province, Spain . . . . . . . . . . . . . . . . . . . ...mineral localities: The Pacajake selenium mine,
Potosí, Bolivia . . . . . . . . . . . . . . . . . . . ....1980 when he paid me a visit at the
Jacupiranga mine; somehow he had learned of my mineralogical
researches...studies of the mineralogy of the now-famous
Brumado mine in Bahia, recovering countless superb crystal
specimens | 👁 Image
| | 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 | 👁 Image
| | 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................. |
|
