 | | Report (issue) | | metal-bearing, epithermal deposits of Mexico and Peru by Nora K. Foley Open File Report 84-633 This...districts Guanajuato District, Guanajuato, Mexico References Geologic map of Guanojuato District, Mexico Pachuca-Real...del Monte District, Hidalgo, Mexico References Geologic map of Pachuca-Real del Monte District, Mexico...Colqui District, Lima, Peru References Geologic map of Colqui District, Peru Julcani District, Huancavelica...Huancavelica, Peru References Geologic map of Julcani District, Peru 1 2 3 4 4 10 11 12 16 18 19 24 25 26 |  | | Journal (issue) | | TSKnerals of i'eru ! Indian miner, Cerro de Pasco, Peru, 1869 (Simonin, 1869). J3E(mes and J3E(merals...crystal group, 7 cm, from the Huanzala mine, Dos de Mayo Province, Peru. Marty Zinn collection; Jeff Scovil............................... History of Peru Mining in Peru The Mineral Specimen Business C o l l e c....................... Quiruvilca district, Santiago de Chuco province, department of La Libertad PASTO.......................... Pasto Bueno district, Pallasca province, department of Ancash R a u r a -H u |  | | Journal (article/letter/editorial) | | as a petrogenetic indicator: Keno Hill Ag-Pb-Zn District, Yukon, Canada R. O. SACK1,*, J. V. G. LYNCH2...Ag)10(Zn,Fe)2Sb4S13] from the Keno Hill mining district, central Yukon, Canada record virtually the entire...from late-stage epithermal fluids which produced polybasite, stephanite, acanthite and wire silver. One such...sulphide veins in the Coeur d’Alene (Idaho) and Julcani (Peru) mining districts (Sack et al., 2002; Sack and...ore-forming processes and events. Fahlores within this district display prominent zoning in Ag/(Ag+Cu) and Zn/(Zn+Fe) |  | | Journal (article/letter/editorial) | | gaps observed in high-Ag fahlores from the Husky Mine (Yukon, Canada) approximate a temperature of 170°C...in the Ag-Cu partitioning between fahlore and polybasite (Ag,Cu)16(Sb,As)2S11 required to reproduce compositions...compositions of fahlore in the polybasite ⫹ Sb-fahlore ⫹ ZnS sphalerite assemblage reported in previous...Ag-Pb-Zn ores from the Coeur d’Alene district, Idaho, USA and Julcani, Peru. Copyright © 2005 Elsevier Ltd...Enrichment in Ag/(Ag⫹Cu) in fahlores coexisting with polybasite-pearceite [⬃(Ag,Cu)16(Sb,As)2S11] and (Ag,Cu)2S |  | | Journal (article/letter/editorial) | | and Ag-sulphosalts in a zoned ore deposit, Julcani, Peru R. O. SACK1,* 1 2 AND P. C. GOODELL2 Department...ABSTR ACT The sulphide ores from the Julcani mining district (Peru) display many retrograde reactions that...[~(Cu,Ag)10(Zn,Fe)2(Sb,As)4S13] from the Herminia mine exhibit pronounced downstream enrichments in molar...retrograde reactions, Julcani District, Peru. Introduction THE Julcani mining district in Peru is located in...in the Angaraes province, Department of Huanacavelica, ~250 km SE of Lima (Fig. 1). It is a major mining |  | | Journal (article/letter/editorial) | | TETRAHEDRITE–FREIBERGITE SOLID SOLUTION, KENO HILL Ag–Pb–Zn DISTRICT, YUKON” BY J.V. GREGORY LYNCH RICHARD O. SACK§...tetrahedrite–freibergite solid solution, Keno Hill Ag–Pb–Zn district, Yukon”, Lynch (1989) documented east-to-west...outward (westward) appearance of “pyrargyrite, polybasite, stephanite, acanthite and native silver wire...mines and from the pyrargyrite-bearing Lucky Queen mine and adjacent Shamrock and Porcupine mines to the...Finally, tetrahedrite compositions from the Husky mine appear to reflect a lower temperature of compositional |  | | Journal (article/letter/editorial) | | INTERMEDIATE-SULFIDATION PALLANCATA DEPOSIT, AYACUCHO, PERU Jorge E. GAMARRA-URRUNAGA§ International Minerals...later open space infill resembles the Shila Paula district (Chauvet et al. 2006). Fluid inclusion petrography...miargyrite, pyrargyrite-proustite, chalcopyrite, polybasite-pearceite, argentite (now acanthite), and Au–Ag...proustite–pyrargyrite, pearceite–polybasite, acanthite, uytenbogaardtite, Peru Introduction The Pallancata...southeast of Lima in the district of Coronel Castañeda, Parinacochas province, Ayacucho department, at |  | | Journal (article/letter/editorial) | | consists of fahlore [(Cu,Ag)10(Zn,Fe)2(Sb,As)4S13], polybasite [(Ag,Cu)16Sb2S11]–pearceite [(Ag,Cu)16As2S11]...pyrite. The Ag:Sb of the bulk concentrate from the mine is 1.076 and the Ag:Pb is 0.088. Compositions of...pyrargyrite-proustite + sphalerite, and fahlore + polybasite-pearceite solid solution + (Ag,Cu)2S solid solution...elevations in the mine. K EY WORDS : Mexico, Ag-Zn-Pb system, ore genesis, fahlore, polybasite, pearceite,...1984), although ore in the nearby Chalchihuites district was discovered in 1556 1558 (Consejo de Recursos |  | | Journal (article/letter/editorial) | | GEOLOGY AND MAJOR ORE DEPOSITS OF CENTRAL ULRICH PERU PETERSEN CONTENTS PAGE Abstract ..............the center of the districts to the margins. This district zoning is modifiedby local or orebodyzoning and...complexenterprise,includingthe Goyllarisquizga coal mine, concentrating, smelting,and refiningfacilitiesand...observations and ideas. MAJOR ORE DEPOSITS OF CENTRAL PERU 409 General summariesare presentedby McLaughlin...ßO0•A BASILIA YAURIOOCHA LOCATION CENTRAL 50 MAP PERU 0 50 •ILOM[T[RS ß Fro. 1. Locationmap. GASTROVlRREYNA |  | | Journal (article/letter/editorial) | | rises to 6,272 meters (20,577 feet), Huascaran in Peru is 6,768 meters (22,205 feet), Tocorpuri on the...mining and smelting oxidized copper ores in central Peru about 1500 B.C. By the time the Spanish conquered...Uchucchacua, Peru; emeralds from Muzo, Colombia; pink fluorite and huge pyrites from Huanzala, Peru; 25-cm...Bolivia; and fantastic pyrargyrites from Hauncavelica, Peru. The combination of awe-inspiring topography, mining...in location and age. In the highlands of central Peru, the deposits have veins rich in lead and silver; |  | | Journal (article/letter/editorial) | | January 2015 Bournonite Yaogangxian Mine, Chenzhou, Hunan Province, China T here are certain mineral...the most prolific being the Yaogangxian mine, Hunan Province. (Additional locality information and photographs...from such disparate localities as the Black Hawk mine, Blue Hill, Maine; New York City, New York; an unspecified...Pennsylvania; the Cofer deposit in the Mineral district of Louisa County, Virginia, where it occurs with...States. Best known are those from the Park City district, Summit County, Utah, where at one time crystals |  | | Journal (article/letter/editorial) | | tetrahedritesfrom Coeur d'Alene,Idaho, and Orcopampa andJulcani,Peru,to documenttheseobservations. Similarheterogeneity...Althoughgenerallyclassedasa copper samplesfrom Casapalca,Peru (Wu and Petersen, sulfosalt,its crystalstructur...tetrahedritesare commonlyhet- Idaho; Orcopampaand Julcani,Peru; and Creede, erogenousin composition(Yui, 1971;...proximalto the presumedsourceof the solutions Casapalca,Peru (determinedby the zonationof wall-rockalteration...1932). (1974), and Wu and Petersen(1977). This district :::.:•:• ?•;;i•?,'•, -•:--•.' •-;•-:?'ii•i;•i |  | | Journal (article/letter/editorial) | | Wire Silver Kongsberg, Norway Wire Gold Ground Hog Mine, Gilman, Colorado S ince the dawn of civilization...gold, 11.7 cm tall, from the Ground Hog mine, Gillman district, Eagle County, Colorado. Harvard Mineralogical...native silver production, the Freiberg mining district of Saxony, Germany, is far older and equally famous...years. It was in fact German miners (of the Harz district), because of their already historic experience...Kongsberg (Johnsen 1986). The Freiberg mining district is a network of veins hosted in the crystalline |  | | Report (issue) | | Association: Baumstarkite, proustite, pyrargyrite, polybasite, silver, galena, sphalerite, pyrite, quartz,...Felsőbánya, Hungary). From Hiendelaencina, Guadalajara Province, Spain. In the Strezhen deposit, Altai Mountains...Ailaoshan metamorphic belt, Yunnan Province, China. From the Van Silver mine, Brandywine Creek, British Columbia...Kelly, Coyote and Santa Fe mines, in the Randsburg district, San Bernardino Co., California. In Mexico, from... Huanchaca, Bolivia. From Huancavalica and Julcani, Peru. Name: From the Greek for less and silver, as |  | Kampf, A. R., Downs, R. T., Housley, R. M., Jenkins, R. A., Hyršl, J. (2011) Anorpiment, As2S3, the triclinic dimorph of orpiment. Mineralogical Magazine, 75 (6) 2857-2867 doi:10.1180/minmag.2011.075.6.2857 | Journal (article/letter/editorial) | | occurs at the Palomo mine, Castrovirreyna Province, Huancavelica Department, Peru. It is a low-temperature...van der Waals forces, Palomo mine, Peru. Introduction THE mines of Peru have yielded mineral riches for..., 1997). During its years as an active mine, the Palomo mine was not known as a specimen producer; however...2000, a few independent miners began working the mine for mineral specimens. The relatively few specimens...some of the finest crystals of realgar known from Peru, as well as unusual pseudomorphs of orpiment after |  | | Journal (article/letter/editorial) | | 2005 Origin of high-Ag fahlores from the Galena Mine, Wallace, Idaho, U.S.A. RICHARD O. SACK,1,2,* ROB...Tetrahedrite fahlores from the Galena Mine of the Coeur d·Alene Mining District (Wallace, Idaho) have been found...yet found [molar Ag/(Ag + Cu) = 0.443] in the district, and forms a secondary overprint on any primary...obtained for the Gold Hunter vein of the Lucky Friday Mine. This result and the absence of readily detectable...detectable diaphorite (~Pb2Ag3Sb3S8) in the Galena Mine sample containing the highest Ag fahlore indicate a |  | | Journal (article/letter/editorial) | | that much of the Ag mined from the Coeur d’Alene district was originally present in galena. They also confirm...minerals that include acanthite, stephanite, and polybasite. Introduction EARLY in his career, Harold C...mixing properties of Ag and Cu in (Ag, Cu)2S and polybasite (Plb) (Ag, Cu)16Sb2S11 solid solutions. The revised...solutions; Fah = fahlore; Mia = miargyrite; Plb = polybasite; Prg = pyrargyrite; Stb = stibnote (from Sack...1990). Of lesser reliability are the models for polybasite (Harlov and Sack, 1994) and (Ag, Cu)2S solid |  | | Journal (issue) | | .89 by W. E. Wilson The Palomo mine, Huancavelica Department, Peru . . . . . . . . . . . . . . . . .... . .95 by J. Hyršl Pseudomorphs from Peru . . . . . . . . . . . . . . . . . . . . . . . . . . . . ....White Ca-Mg-Fe-rich rhodonite from the Morro da Mina mine, Conselheiro Lafaiete, Minas Gerais, Brazil . ....BaCa2(CO3)2F2, a new mineral species from the Kirovskii mine, Khibiny, Kola Peninsula, Russia . . . . . . . ...crystal cluster, 3.5 cm, from the Mashamba West mine, atanga, Republic of the Congo. Rob Lavinsky (The |  | Mehrabi, Behzad, Siani, Majid Ghasemi, Goldfarb, Richard, Azizi, Hossein, Ganerod, Morgan, Marsh, Erin Elizabeth (2016) Mineral assemblages, fluid evolution, and genesis of polymetallic epithermal veins, Glojeh district, NW Iran. Ore Geology Reviews, 78. 41-57 doi:10.1016/j.oregeorev.2016.03.016 | Journal (article/letter/editorial) | | genesis of polymetallic epithermal veins, Glojeh district, NW Iran Behzad Mehrabi, Majid Ghasemi Siani,...genesis of polymetallic epithermal veins, Glojeh district, NW Iran, Ore Geology Reviews (2016), doi: 10...genesis of polymetallic epithermal veins, Glojeh district, NW Iran PT Behzad Mehrabia,*, Majid Ghasemi...author: mehrabi@khu.ac.ir Abstract MA The Glojeh district contains silver- and base metal-rich epithermal...mineralized locations in the Tarom-Hashtjin metallogenic province, northwestern Iran. It consists of D four major |  | | Journal (issue) | | except the Dale Beck Valley, Dry Gill and Carrock End Mine. Grahamis hoping to get the permit system properly...still very much a 'frontier place'. One supposed mine was started by a character called Otto van Stryk...Stryk who thought he had found a huge iron mine. Alas, he never got any useable ore out of it. Rick went... So now it is recognised as a potential uranium mine! Another anecdote involved a light plane brought...amethyst, fluorapatite and tourmalines. Rossinguranium mine, a uraniferous granite, was also mentioned. Rick |  | | Journal (article/letter/editorial) | | Polymetallic Veins of the Castrovirreyna District, Central Peru: Fault Growth and Mineralization in a Perturbed...undulatory silver veins of the Castrovirreyna district, central Peru, formed in a dilatant, anastamosing, low-displacement...Creede district, Colorado (Stevens and Eaton, 1975); the No Conocida vein of the Colorada district, Mexico...curved (Albinson, 1988); and veins of the Fresnillo district, Mexico, are wavy in map view (Gemmell et al....undulating veins of the Castrovirreyna district of central Peru (Fig. 1) have geometric configurations |  | | Journal (article/letter/editorial) | | s at Topia showthat tetrahedrite-freibergite,polybasite,sphalerite,galena,and electrum were codepositedovervirtuallythe...orebandoccursisconsistent with the possiblepresenceof a district-wide"inverted-saucer" ore domewhich,if present... Virginia, and by Gross(1956) in the Blyklippen mine, Greenland, beingparticularlyinfluentialpioneeringstudies...locationsof undiscovered ore in the Julcanidistrict, Peru, by GoodellandPetersen(1974) andPetersen et al....geocronite-jordanitesolid solutionsat Huachacolpa,Peru (Birnie and Petersen,1977), and of tetrahedrite |  | | Journal (article/letter/editorial) | | Ag-enrichment in fahlores from the Coeur dAlene mining district, Idaho, USA R. O. SACK1,*, S. M. KUEHNER1 1 2...Tetrahedrite fahlores from the Coeur d’Alene mining district (Idaho) have been found to be enriched in Ag by...to other Ag-sulfosalts, namely pyrargyrite and polybasite and diaphorite, respectively. Multiple lines...solid-state reaction may explain why previous district studies have been unable to demonstrate convincingly...tetrahedrite fahlores found in the Coeur d’Alene district and elsewhere, we conclude that the thermodynamic |  | | Journal (article/letter/editorial) | | reflect vertical zoning: the lower level (La Estrella mine), contains tetrahedrite isotypic series minerals...sphalerite, whereas the upper level (Majadillas mine), shows an “epithermal association” composed by...tetrahedrite, freibergite, pyrargyrite, stephanite, polybasite and acanthite. Textural and compositional lines...zonation verticale. Le niveau inférieur, exposé dans la mine La Estrella, contient des minéraux de la série isotypique... tandis que le niveau supérieur, exposé dans la mine Majadillas, montre une “association épithermale” |  | | Journal (issue) | | Sulfosalt Environment: The Mineralogy of the Julcani District, P e r u ............................................ 247 WULFENITE—from level 4 of the 79 mine, Gila County, Arizona. The specimen was collected...their help, and their country, where a change in mine ownership has also response has been wonderful....Individuals who have con sometimes meant a change in mine name. How many sented to serve as members of this... VIOLARITE FROM N IIH tlf A L u ■THE GAP NICKEL MINE by J. A. Speer and E. C. M artin Virginia Polytechnic |
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Julcani Mine, Julcani District, Angaraes Province, Huancavelica, Peru