 | | Journal (article/letter/editorial) | | Sunumi mine, Pakajake Canyon, Chayanta Province, PotosĂ Department, Bolivia, penroseite occurs in hydrothermal...Gordonâs analyses yielded a mineral containing silver and lead in additional to nickel and selenium with...New York State. (Continued from page 276) Colquechaca. This led to a tentative assignment of the wrong...current type locality was established because the Colquechaca mine and other nearby mines contain no selenium...mineral localities: The Pacajake Selenium mine, PotosĂ, Bolivia. Mineralogical Record 34:339â57. â Penroseite |  | | Report (issue) | | No. 12: Bolivia ht of Mineral Collecting N 978-0-9790998-5-4 Publisher Lithographie, LLC Denver, Colorado...specimen 'being sold with the shrine when he was in Bolivia buying mineral specimens in the 1970s. He took...ophyllite; 5. 2 cm tall Cerro Rico, Potosi, B,atillo province, Potosi Andy Seibel col/action Jejf-SC,m/.plwto...Yaalte: 12.5 cm wide Siglo XX Mine, ,Uïżœ Bustillo province, Potosi Malty Zinn colkdknt (ex Marv Rausch) Jase...640 200 100 600 The Political Divisions of Bolivia (after United Nations Map No. 3875, Peacekeeping |  | | Journal (issue) | | variegated copper vein, copper, sulfur, iron and silver ore between granite and sandstone was so rich,...specimens of copper and quartz crystals, with some silver.â Note here that in researching this 437 Figure...Pawloski. article only one specimen showing native silver was seen (in the Smithsonian collection). The 1850âs...recovered ore samples were found to contain significant silver. On November 12, 1888, the new con cernâoptimistically...cernâoptimistically named the Bristol Copper and Silver Mining Companyâacquired all the property that Cowles and |  | | Journal (issue) | | Four Articles The El Desierto sulfur mine, PotosĂ, Bolivia . . . . . . . . . . . . . . . . . . . . . ...of the MazarrĂłn-Ăguilas mining district, Murcia Province, Spain . . . . . . . . . . . . . . . . . . . ...mineral localities: The Pacajake selenium mine, PotosĂ, Bolivia . . . . . . . . . . . . . . . . . . . . . ...Specialties: BCâYukonâPacific NW, Worldwide Gold & Silver U.S. National Museum of Natural History (Smithsonian...Memorabilia www.argentumauctioneers.com e-mail: silver@argentumauctioneers.com The Arkenstone Fine minerals |  | | Journal (article/letter/editorial) | | the polymetallic hydrothermal ore deposits in Bolivia A. Sugaki ~, S. Kojima ~ and N. Shimada 2 i Institute...barite from the 28 tin-polymetallic ore deposits in Bolivia. Generally, the homogenization temperatures and...were confirmed. The province of the Eastern Cordillera of the Andes in Bolivia is a geologically important...fluid inclusions in ores from some tin deposits in Bolivia have been given by Little (1960), Kelly and Turneaure...deposits in Bolivia. We have already reported fluid inclusion data for some deposits in Bolivia (Sugaki et |  | | Journal (article/letter/editorial) | | Atocha-Quechisla District Sud Chichas Province, PotosĂ Department, Bolivia O ne of the perks of my job is...Atocha-Quechisla district, Sud Chichas Province, PotosĂ Department, Bolivia. The main crystal is a modified...Saint-Hilaire, all located near Montreal in Quebec Province. I thought that the specimen we have in the collection...with analcime from Mont Saint-Hilaire, Quebec Province, Canada. The specimen is 9 Ă 8.5 Ă 6 cm. Royal...after serandite, from the Poudrette quarry, Quebec Province, Canada. The specimen is 22.5 Ă 10 Ă 6 cm. Royal |  | | Journal (article/letter/editorial) | | BOLIVL4N TIN-SILVER DEPOSITS.* Sir: The paperon ore depositionin the Bolivian tin-silver depositsby W...groupedthe tin and silver deposits of thisrangeintoa singlemetallogenic province,in spite of the occurrenceof...in the terminologyof presentusage, the Bolivian silver-tin oreswere classedas a seriesranging from ores...Mines of the QuimsaCruz Rangeand one on the Colquechaca Silver-Tin District have not been publishedat the...in Davy's classification. In the article on Colquechaca,it is stated "at certain points, or even over |  | | Journal (article/letter/editorial) | | the Ag-Sn Formation located within Argentina and Bolivia have been investigated mineralogically and geologically...Argentina, respectively. The Geological Survey of Bolivia contributed through help with the logistics. The...intermediate sulfidation) gold-, gold-copper-, silver-tin- and silver deposits can be distinguished. Starting...gold- and silverbearing tellurides. The selenium province at La Rioja is the largest one on earth. The prominent...significant contents of precious metals (gold, silver, palladium, platinum) occur in minerals such as |  | Förster, Hans-JĂŒrgen, Bindi, Luca, Stanley, Chris J., Grundmann, GĂŒnter (2017) Hansblockite, (Cu,Hg)(Bi,Pb)Se2, the monoclinic polymorph of grundmannite: a new mineral from the Se mineralization at El DragĂłn (Bolivia) Mineralogical Magazine, 81 (3) 629-640 doi:10.1180/minmag.2016.080.115 | Journal (article/letter/editorial) | | mineral from the Se mineralization at El DragĂłn (Bolivia) HANS-JĂRGEN FĂRSTER1,*, LUCA BINDI2, CHRIS J....Pb)Se2, is a new selenide from the El DragÏn mine, Bolivia. It typically occurs in thin subparallel plates...structure, selenium, El DragÏn, Bolivia. Introduction THE Andes of Bolivia host two volumetrically minor... district of Hiaco de Charcas, and El DragÏn, Province of Antonio Quijarro, both in the *E-mail: hans-juergen...© 2017 The Mineralogical Society Department of PotosĂ. The geology and ore mineralization of the El DragÏn |  | | Journal (article/letter/editorial) | | cycle .............. The Tertiary petrographic province ............................. The Tertiary me...excellentwork of Myron Davy (I92O), the Bolivian Tin Province has beenthe object of much detailedresearch. Its...a short summary of the present knowledgeof the province. Many questionshave not yet been solved;geologicaland...provenearly Tertiary2 ageare knownin this part of Bolivia. The batholith of apliticgranitewhichI foundin...canism in themiddle andsouthern partsof thetin province proâą Theageof theyoungmagmatie rocksof Peru,especially |  | | Journal (article/letter/editorial) | | gives lower Mioceneages. In central and southern Bolivia the tin depositsare complex vein systemsassociated...to 20 m.y. Several of the major tin depositsof Bolivia, includingthe Catavi depositat Llallagua, fall...extended across the width of the Andes almost Bolivia, there are some remnants of epicontinental to the...ARICA Iq ' J âą DATED LOWER MIOCENEJ ERUPTI VE/ BOLIVIA / COMPLEXES WlTHJ d (CuPORPHYRYIOF U.MIOCENE AGE... (U:Pb); and 5, Coasa, 238 4- 11 m.y. (U:Pb). Bolivia, the northerntin belt, K-At data reportedin Clark |  | | Report (issue) | | Dimorphous with sternbergite. Occurrence: Rare in silver-bearing hydrothermal veins. Association: Arsenic...Omidani mine, Hyogo Prefecture, Japan. At Colquechaca, PotosĂ, Bolivia. In the Silvana mine, Sandon, British...Canada. Name: Prefix, argento, for its essential silver content and physical similarity to pyrite. Type |  | | Report (chapter) | | hydrothermal systems in some sub-volcanic tin deposits of Bolivia J. N. Grant Department o f Geology, Royal School...Geol6gico de Bolivia ( G E O B O L ) , La Paz, Bolivia G. Avila Servicio Geol6gico de Bolivia ( G E O B...B O L ) , La Paz, Bolivia 5 5 2 . 3 : 5 5 3 . 2 1 6 . 5 : 553.45(84) Synopsis The tin deposits o f the...southern part o f the Cordillera Oriental o f Bolivia consist of complex vein systems and pervasive disseminated...during late Mesozoic and Tertiary times, the tin province must be explained in terms of Special phase changes |  | | Journal (article/letter/editorial) | | Bournonite Yaogangxian Mine, Chenzhou, Hunan Province, China T here are certain mineral species that...most prolific being the Yaogangxian mine, Hunan Province. (Additional locality information and photographs...University] at 07:53 01 January 2015 Daly-Judge, and Silver King. It has also been reported from the Albion...arsenopyrite, and boulangerite at the large open-pit silver mine in the Candelaria district, Mineral COLOR...bournonite specimens have been available from the Van Silver mine near Whistler and the Grey Rock mine near |  | | Journal (article/letter/editorial) | | manager in Bolivia. Another collection , which may be specially mentioned, was brought from Bolivia by Sir...argyrodite from Colquechaca, and a large mamillated mass of native copper coated with native silver from the...the Cobrizos mine at San Cristobal in province NorLipez, have been presented by Sefor F. Avelino Aramayo...Roberts are mainly from the silver mines a t Tatasi and Portugaletc in the province Sud-Chichas, and from the...the tin and bismuth mines at Tasna in province Nor-Chichas, department Potosi. From his own observation |  | | Journal (article/letter/editorial) | | Stanniferous Ap;q~rodite f r o m Bolivia : The Identity of the so-called " Crystallised Brongniardite... [Read February 1st, 1898.] HE occurrence in Bolivia of minerals containing the rare element germanium...On Argyrodite and a new Sulpho~tannate of Silver from Bolivia." Amer. Journ. Sci. 1894, XLu 451-4; Abstract...to brongniardite, a massive sulph-antimonite of silver and lead which he had previously described. STANNIFEROUS...STANNIFEROUS ARGYRODITE FROM AULLAOAS, BOLIVIA. In 1894 Mr. Jacobo Aillon presented to the British |  | | Journal (article/letter/editorial) | | Stanniferous Ap;q~rodite f r o m Bolivia : The Identity of the so-called " Crystallised Brongniardite... [Read February 1st, 1898.] HE occurrence in Bolivia of minerals containing the rare element germanium...On Argyrodite and a new Sulpho~tannate of Silver from Bolivia." Amer. Journ. Sci. 1894, XLu 451-4; Abstract...to brongniardite, a massive sulph-antimonite of silver and lead which he had previously described. STANNIFEROUS...STANNIFEROUS ARGYRODITE FROM AULLAOAS, BOLIVIA. In 1894 Mr. Jacobo Aillon presented to the British |  | | Journal (article/letter/editorial) | | small underground mining activities for tin and silver ore. From 1936 until its closure in 2017, the Pirquitas...open pit mining. The total silver production was about 295 tons in 2016 (Silver Standard Resources Inc....(12â16 Ma) in NW Argentina, and particularly in Bolivia, is important because dacitic domes and intrusive...to their location and orientation (Fig. 2). The PotosĂ, San Miguel, Chocaya, Oploca, San Pedro, Llallagua...steeplydipping and strike at 105° whereas the Blanca and Colquechaca veins strike near 305°. The veins of the Potosi |  | | Journal (article/letter/editorial) | | of molybdomenite (PbSeO 3) from El DragĂłn mine (Bolivia) was refined in the space group P21/m, using single-crystal...crystal structure, lead selenite, El DragĂłn mine (Bolivia). Introduction Molybdomenite, the lead selenite...PbSeO 3, was discovered at Cerro de Cacheuta, Province of Mendoza, Argentina (Bertrand 1882). Owing to...Guillemin 1953), the Pacajake silver mine, near Hiaco, Colquechaca, Bolivia (Ahlfeld & Reyes 1955), southern...(Britvin et al. 1989), and the El DragĂłn mine, PotosĂ, Bolivia (Grundmann et al. 1990). Mandarino (1965) established |  | | Journal (article/letter/editorial) | | 3X1cm.)showingbladedcleavages, labelled Colquechaca, Bolivia (broken from tlpe specimen). Cavities in...Locality, Hiaco mine, 30 Km' E.N.E. of Colquechaca,dep. Potosi, Bolivia [B .M.1936,126]. 3L9 THE A MERICA..."ahlfeldite." Locality, Hiaco mine, Colquechaca, dep. Potosi, Bolivia [B.M. 1935, 1186]. X-ray photographs...content could be detected, but the lines due to silver increase in intensityin the order A, B, C (flg...M. H. H. Penroseite, Bolivia; analyst Whitfield (Gordon, 1926). Blockite, Bolivia; analyst Herzenberg |  | | Journal (article/letter/editorial) | | TERRY From antiqbi@, the quest for silver and, more recently, for silver minerals has M e n expbrers, conquerors...beautiful herringbone plates from Batopilas. Silver and silver-bearing minerals are part of the nobility...associated mining lore or history. Silver financed empires and great wars. Silver is said to have magical purifying...turn lead to silver (both of these myths are partially true!). To the mineral collector, silver minerals...unlike gold, silver is quite a reactive element, forming more than one hundred different silver-bearing minerals |  | | Catalog/List | | to the surface tarnish formed on natural native Silver ar Copper specimens). Very miner amounts of Domeykite...l $28.50 ANDORITE - !tos Mine, Dept. of Oruro, Bolivia - Dana locale - See the Min. Record, May-June 1975...good addition to any T/11collection af Lead or Silver-bearing minerals, or sulfosalts in general, from...quality. S85. ARGYRODITE, PYRARGYRITE - Colquechaca, La Paz, Bolivia - Dana locale for both minerals - ror...Montgomerydescribes a visit to the then very old Silver mines of Colquechaca (Montgomery's trip was in 1925). Argyrodite |  | | Journal (issue) | | one was labelled 'sulphoselenide of lead from Bolivia', and the other'selenide of lead lrom Atacama'...beschrijvingen. Zo is bijvoorbeeld canfieldiet van Colquechaca, niettegenstaande de eerstbeschrijving een niet-bestaande...Paz I penroseiet is van Pakajake, en niet van Colquechaca zoals men oorspronkelijk schreef_ Andere voorbeelden...geraken (ICHIKAWA, '1998, pers. com.). Wallah Wallah Silver Mine, 5 km ten Oosten van Rye Park, Zuid-centraat...Alaada mijn, Colquechaca, Chayanta Prov., Dept Potosi. '10. Lipez Huaico mijn, Ocuri, Chayanta Prov., Dept |  | | Report (issue) | | 589(1) Z=4 X-ray Powder Pattern: Machacamarca, Bolivia. 3.02 (100), 1.863 (50), 2.66 (40), 3.14 (30),...Total 99.95 99.68 100.00 (1) Chocaya, Bolivia. (2) Aullagas, Bolivia. (3) Ag8 GeS6 . Polymorphism & Series:...deposits with silver sulfosalts (Freiberg, Germany); in high-temperature SnâAg deposits (Bolivia). Association:... At a number of localities in Bolivia, including Aullagas, Colquechaca, PotosıÌ, Oruro, Porco, Chocaya...Korea. From Shuiji, Fujian Province, and in the Baiguoyuan deposit, Hubei Province, China. Name: From the |  | | Journal (article/letter/editorial) | | featured proustite, an arsenic ember of the major ruby-silver family (Cook 1996). The species was chosen because...and historical importance as an ore mineral of silver, well-crystallized specimens of pyrargyrite have...several Mexican occurrences. Ideally, pyrargyrite is silver antimony sulfide (Ag3SbS,). Most analyses show...several percent. Pynte, acanthite, polybasite, and silver pseudomorphs after pyrargyrite are reported. It...alteration product of acanthite, dyscrasite, and silver. Pyrargyrite is relatively widespread as a low- |
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Colquechaca, Colquechaca Municipality, Chayanta Province, PotosĂ, Bolivia