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| | 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...malachite, molybdomenite,
alfredopetrovite.
Distribution: From the El Dragón mine, Antonio Quijarro Province...Province, Potosí Department, Bolivia.
Name: Honors Georges Favreau, amateur mineralogist and professional...Favreauite, a new selenite mineral from the El Dragón mine, Bolivia. Eur. J.
Mineral., 26(6), 771-781.
(2) | 👁 Image
| | Journal (article/letter/editorial) | | Chemical weathering [7]
1
Cesbron et al. (1969)
Molybdomenite
PbSeO3
Munakataite
Pb2Cu2(SeO3)(SO4)(OH)4...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) | | Stuttgart, April 2003
The crystal structure of molybdomenite, PbSeO3
Marco Pasero and Nicola Rotiroti, Pisa...Rotiroti, N. (2003): The crystal structure of molybdomenite,
PbSeO3. – N. Jb. Miner. Mh. 2003 (4): 145 –152;...The crystal structure of molybdomenite (PbSeO 3) from El Dragón mine
(Bolivia) was refined in the space...5.5137(8), c = 6.634(1) Å, b = 106.547(7)ƒ. Molybdomenite is the lead selenite and
is isostructural with...role of S4 + in the latter. The structure of molybdomenite can be described as
stacking of complex structural | 👁 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) | | Cacheuta Vein-Type Se Mineralization,
Mendoza Province, Argentina
Günter Grundmann 1 and Hans-Jürgen...Cacheuta vein-type Se mineralization in the Mendoza Province predominantly
consists of clausthalite, klockmannite...from Cacheuta from
Argentinian Se deposits in the Province of La Rioja: (I) trachytic host rock fragments...alteration minerals comprising
chalcomenite, molybdomenite, cobaltomenite, an unnamed Cu selenide (for...in the Sierra de Cacheuta district, also known as el Cerro de Cacheuta,
Minerals 2018, 8, 127; doi:10 | 👁 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) | | 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...as ahlfeldite, chalcomenite, favreauite, and molybdomenite, among
others.
Alfredopetrovite forms drusy...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) | | 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 (article/letter/editorial) | | for the first time at Pacajake mine near Hiaco, Colquechaca, Bolivia [6], where it is associated with...·2H2 O), chalcomenite (CuSeO3 ·2H2 O), and molybdomenite (PbSeO3 ). The water content of mandarinoite...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
| | Report (issue) | | (Cu0.53Fe0.48)Ʃ=1.01(Se1.98S0.01)Ʃ=1.99. (2) El Dragón, Bolivia; average of 5 electron microprobe
analyses;...hydrothermal veinlets cutting black
shale and siltstone (Bolivia); in calcitic veinlets in porphyry (Argentina)...watkinsonite, native selenium (Bolivia); clausthalite,
krut’aite, molybdomenite, native selenium (Argentina)...Bohemia Region, Czech Republic; at the
El Dragón mine, Potosi, Bolivia and at Sierra de Cacheuta, Luján de | 👁 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
| | 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–...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...1991).
Subsequently, in 1996, during a visit to the mine, we were lucky enough in
discovering an outstanding | 👁 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
| | Journal (article/letter/editorial) | | Hope's Nose, England (Stanley et al., 1990); El Dragón , Bolivia (Grundmann et al.,
1990); and Cerro Cacho...Se minerals schmiederite, chalcomenite and molybdomenite as well as native
Se (Brodtkorb and Crosta,...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...epicontinental margin and Whitsunday Volcanic Province in the Eastern
Australia passive margin, Bryan | 👁 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................. |
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