 | | Journal (article/letter/editorial) | | sulfide mineralization is present in the Julcani mining district, Peru, as fracture fillings in Tertiary volcanics...are used to determinemetal ratios throughoutthe district. The changesin metal ratios are large and systematic...solutions. In the southeast.ernpart of the district, Herminia-Lucrecia, ratios change systematicallyaway...changesin three other mineralized areas of the district indicate general domal zoning. In general,Pb/Cu...depositional factors. Ag/Pb and Ag/Cu have maxima (Herminia), minima (Ag/Cu in Mimosa), or decreasemonotonically |  | | Journal (article/letter/editorial) | | pp. 931-949 Geologyof theJulcaniMiningDistrict,Peru I,JLRICHPETERSEN, DONAnDC. NOBLE.MARIOJ. ARENAS...(Ag-Bi-Pb-Cu-W-Au) mineralizationat the Julcanidistrict, central Peru, is geneticallyrelatedto a geologicallybrief pulseof...zoning patterns. Three of thesehydrothermalsystems(Herminia, Mimosa, and Estela) have now been studiedmineralogicallyand...detailedmetal ratio contouring.The central part of the district, characterized by the pyritic gold-tungstenmineralization...Tentadora, appearsto be the innermostzone of the Herminia system. Solutionsmoving southeast from Tentadora |  | | 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 (article/letter/editorial) | | reactions involving galena and Ag-sulphosalts in a zoned ore deposit, Julcani, Peru R. O. SACK1,* 1 2 ...ABSTR ACT The sulphide ores from the Julcani mining district (Peru) display many retrograde reactions that...Fahlores [~(Cu,Ag)10(Zn,Fe)2(Sb,As)4S13] from the Herminia mine exhibit pronounced downstream enrichments in...CuPbSbS3 + 10Ag 10(Zn,Fe)2Sb4S13 Cu-fahlore in galena galena bournonite Ag-fahlore which occurred during...following mineralization of a PbS-AgSbS2-AgBiS2 galena and has been documented elsewhere. Secondary PbS-AgSbS2-AgBiS2 |  | | Journal (article/letter/editorial) | | Systemin Bismuthinite-Stibnite Compositions. Julcani,Peru VIRGIL W. LUETH, Departmentof PhysicalSciences...alongits path. Zoningpatternsestablished at Julcani,Huancavelica, Peru. Metal zoningis com- at Julcaniare presentedin... on metal ratios. 1462 ENCODINGORESYSTEM, JULCANI,PERU 1463 LOG (Pb/Cu) FIG. 2. Map projectionsummarizinglog...3. Metal ratio map of the 360 level of the Herminia mine showinglocationof major veins. Dotted linesrepresentlogPb/Cu...ORESYSTEM, JULCANI, PERU 330 0 1465 LEVEL lOOm FIG. 5. Vertical sectionof the Herminia mine with a map |  | Yang, H., Downs, R. T., Evans, S. H., Pinch, W. W. (2013) Terrywallaceite, AgPb(Sb,Bi)3S6, isotypic with gustavite, a new mineral from Mina Herminia, Julcani Mining District, Huancavelica, Peru. American Mineralogist, 98 (7) 1310-1314 doi:10.2138/am.2013.4423 | Journal (article/letter/editorial) | | a new mineral from Mina Herminia, Julcani Mining District, Huancavelica, Peru Hexiong Yang,1,* Robert...has been found in Mina Herminia, Julcani Mining District, Huancavelica, Peru. It is associated with tetrahedrite...has been found in Mina Herminia, Julcani Mining District, Huancavelica, Peru. The mineral is named after...14, Mina Herminia, Julcani Mining District, Huancavelica, about 300 km southeast of Lima, Peru. Associated...and pyrite FeS2. The mineralization at the Julcani District is genetically related to a geologically brief |  | | 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) | | 1924-1938 The MagmaticHydrothermalSystemat Julcani,Peru' Evidencefrom Fluid InclusionsandHydrogenand...quartz+ pyrite + wolfamite-,enargite-,tetrahedrite-,galena-,andbarite-dominant assemblages gradingoutwardeastandwestfromthe...died in an automobileaccidentnear Cerro de Pasco,Peru,onJuly13, 1994. JeffwasbornDecember3, 1957, in Oakland...-1554.00 1924 MAGMATICHYDROTHERMALSYSTEM,JULCANI,PERU 1925 hadreturnedto field-orientedstudies,in...southeast of Lima(Fig. 1). Production from the district began in Spanishcolonial times whenfree-milli |  | | Journal (article/letter/editorial) | | include, to name but a few, pyrite, chalcopyrite, galena, acanthite, sternbergite, enargite, bornite, covellite...are mentioned below. Myrmekitic intergrowths with galena, stromeyerite, chalcocite, and pyrargyrite have...tennantite crystals with quartz from the El Cobre mine, Concepción del Oro, Zacatecas, Mexico. Cal and...exceptional 9-cm tennantite specimen from the Longfellow mine, Red Mountain Pass, Ouray County, Colorado. Dave...fingers black if handled carelessly. The Georgetown district, also in Clear Creek County, has produced some |  | | Journal (article/letter/editorial) | | A SpecialIssueDevoted to the Mineral Depositsof Peru Preface ULRICH PETERSEN, Departmentof Earth and...PerubarS.A.,Juan de Arona 830 (Of 90I), Lima 27, Peru AND DONALD C. NOBLE MackaySchoolof Mines, Universityof...Huarochir•,Colquijirca,Cerro de Pasco,Morococha,Huancavelica,Julcani,Castrovirreyna,SanJuande Lucanas,Cochasayhuas...wasmostlyusedfor the treatment of silver and gold ores in Peru, Bolivia, and Mexico (RodriguezHoyle, 1974). In...1879. Exploratorydrilling for petroleumstartedin Peru in 1863, five yearsafter the Drake well was completedin |  | | Journal (article/letter/editorial) | | 35Sb1.35)Σ2.70S6, has been found at Kutná Hora ore district, Czech Republic. The mineral occurs in the late-stage...Staročeské pásmo Lode of the Kutná Hora base-metal ore district, Czech Republic, during an extensive search for...for bismuth sulfosalts in the ore district. It is named after the type locality. The history of the mineral...of bismuth mineralization from Kutná Hora ore district were measured using an electron probe microanalyser...description of the new mineral terrywallaceite from Huancavelica, Peru (Yang et al., 2013), which is also a Bi–Sb |  | | 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 |  | | Report (issue) | | Ag0.18 Cu0.06 )Σ=8.79 Sb7.62 S21.00 . (2) Chichibu mine, Japan; by electron microprobe, average of 23 analyses;...guettardite, jordanite, diaphorite, sphalerite, galena, pyrite, chalcopyrite, tetrahedrite, bournonite...(Nagybánya) district, and from Rodna. In Germany, at Wolfsberg, Harz Mountains, and from the Caspari mine, Arnsberg...Arnsberg, North Rhine-Westphalia. From the Les Anglais mine, Massaic, Cantal; Montlucan and Bournac, Montagne...Louisa mine, Glendinning, Eskdale, Dumfries. In Bolivia, at the San José mine, Oruro. From Herminia, in |  | | Journal (article/letter/editorial) | | Massachusetts 02138 Abstract The centralAndeanCordilleraof Peru,Bolivia,northwestern Argentina,andnorthernChile...northernandcentralChile; subprovince Ib, in central Peru north of 13ø S; and subprovinceIc, in southernPeru...that dominates the geologyof the high Andesof Peru. Province III: The Eastern Cordillera of southeasternPeru...northernArgentina,and subprovince IIIb in southeastern Peru. Theseprovincesare borderedby noncordilleranunitsof...stronglyperaluminous characterof muchof the magmatism in province III. Detailed comparisons of lead isotopedata |  | | Journal (article/letter/editorial) | | volcanicdomefield. Many peoplehave vidual deposits:Julcani, Peru; Summitville,Colo- contributedto our knowledgeof...200øto minutesat dikelets is in the center of the district. Six centers of 400øC(Table1). Theseratesof equilibration...Evolution in the gold-, enargite-, tetrahedrite-, galena-, and bariteEpithermal Environment dominantassemblages...Percent eventsthat reachedvery shallowlevels.The district hasbeentheobjectof studyformanyyears(Goodell ...SOCIETYOF ECONOMICGEOLOGISTS FIc. 6. Geologyof the Julcani,Peru,domefield showingigneousstagesand outlineof |  | | Report (issue) | | above types of geochemical information: Colqui, Peru; Comstock, Nevada; Creede, Colorado; Goldfield,...Nevada; Guanajuato, Mexico; Lake City, Colorado; Julcani, Peru; Oatman, Nevada; Pachuca-Real Del Monte, Mexico;...Colorado; Round Mountain, Nevada; Sunnyside mine, Eureka district, Colorado; Summitvilie, Colorado; and Tonopah...were found for the Silver City - De Lamar, Idaho district. The purpose of this report is to make this compilation...Only a few data are reported for Lake City and Julcani, while at Creede approximately 200 analyses have |  | | Journal (article/letter/editorial) | | sulphosalts from Kutná Hora vein Ag–Pb–Zn ore district, Czech Republic Richard PAŽOUT 1*, Jiří Sejkora2...samples from mine dumps of the Staročeské pásmo Lode of the Kutná Hora Ag–Pb–Zn ore district, central Bohemia...been previously known from the Kutná Hora ore district. The origin of this sulphosalt mineralization...Bi-mineralization was discovered in the Kutná Hora ore district (60 km east of Prague, Czech Republic), which...unlike other Ag mineralizations found in this district that were associated with antimony – was characterized |  | | Report (issue) | | 81 β = 90◦ Z=4 X-ray Powder Pattern: Beatriz mine, Chile. (ICDD 25-706). 2.927 (100), 1.906 (56),...10.18 1.84 11.52 4.39 0.99 100.00 (1) Beatriz mine, Chile; partial analysis of impure material; composition... pseudoboleite, bindheimite, anglesite, galena (Beatriz mine, Chile); atacamite, boleite, osarizawaite–beaverite...te, paratacamite (Herminia mine, Chile). Distribution: From the Beatriz, Herminia, Santa Ana, and San...Sierra Gorda district, southwest of Calama, Antofagasta, Chile. In the Auguste-Victoria mine, Marl-Hüls |  | | Journal (article/letter/editorial) | | [Korea University] at 11:41 06 January 2015 Moonta Mine, South Australia, Australia W ere it not for a...localities. Consequently, an atacamite from the Moonta mine, South Australia, Australia, has been suggested...instrumentation from the Zinc Corporation of America No. 4 mine at Balmat, New York, and in association with granophyllite...Somerville, Somerset County, New Jersey, and the Wheatley mine near Phoenixville, Pennsylvania. The copper mines...other secondary copper minerals at the Centennial mine and as small pseudo-octahedral crystals at the Laurium |  | | Journal (article/letter/editorial) | | diameter, show rounded margins and occur together with galena along the edges or internal fissures of sulphosalts...bismuth in the Loddiswell quartz carbonate vein mine, southwest England [14], the Tanco pegmatite, Canada...skarn deposit, Russia [16] and the Katerina coal mine in the Czech Republic [17], bismuthian antimony...12,806 t Cu and 3000 t Sn [20] in North Guangxi Province, South China. This vein-type deposit is indium-bearing...intrusions with widespread outcrop across the district (Figures 1b and 2). Geochemical features show |  | | Book | | On a spectacular find of crocoite in the Adelaide mine, Dundas, Tasmania (by A. H. Chapman) 3:111-113 ADOLFSSON...AJO Famous mineral localities: the New Cornelia mine, Ajo, Arizona (by W. J. Thomas & R. B. Gibbs) 14:283-298...ALLEN, GEORGE B. --and W. Hunt: The Tonopah-Belmont mine, Maricopa County, Arizona 19:139-144 ALLGOOD, GENNE...Allgood, C. Williams: Ramsdellite from the Mistake mine [Arizona] 14:333-335 ALLGOOD, ROBERT W. -with G...the Mistake mine [Arizona] 14:333-335 ALMA Famous mineral localities: the Home Sweet Home mine, [near Alma |  | | 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) | | paper Lillianite homologues from Kutná Hora ore district, Czech Republic: a case of large-scale Sb for...mineralization of the Kutná Hora Ag–Pb–Zn ore district, central Bohemia, Czech Republic. Identified lillianite...Bi/(Bi + Sb) = 0.23 was found in the Kutná Hora ore district, central Bohemia, Czech Republic (this paper)...Bohemian Lode) of the Kutná Hora Ag–Pb– Zn ore district, 60 km east of Prague, Czech Republic. Geological...situation, mineralogy and geochemistry of the ore district were described by Holub et al. (1982), Malec and |  | Loucks, Robert R., Lemish, John, Damon, Paul E. (1988) Polymetallic epithermal fissure vein mineralization, Topia, Durango, Mexico; Part I, District geology, geochronology, hydrothermal alteration, and vein mineralogy. Economic Geology, 83 (8) 1499-1527 doi:10.2113/gsecongeo.83.8.1499 | Journal (article/letter/editorial) | | Mineralization,Topia, Durango, Mexico-Part I. District Geology,Geochronology, HydrothermalAlteration...contains subequal amounts of sphalerite, pyrite,galena, and quartz, with minor arsenopyrite,marcasite...this physiographic eralization aboveore,andto district-scale regularities by King (1939), Wisser(1966)...onlyothersedimentary rocksin the maindistrict volcanic province. occuraspebblesand cobblesin forcefullyintruded...andshalesoccurat depthbeneaththe Topiaandesitc. In this province,Ag-Au-Pb-Znmineralizationis confinedmostlyto theandesitic |  | | Journal (issue) | | Lyangara, Uzbekistan; and the Emma Mine, Little Cottonwood District, Salt Lake Co., Utah. In most locations...Located on the east rim of Magnet Cove, the Christy Mine, fonnerly known as the Christy brookite locality...zone during exploration drilling at the Brewer Gold Mine in South Carolina in the early I990s. Those crystals...of the Thomas Vein, Central Kentucky Fluorspar District 13-7: 1.6-8; Minerals near Tateville. Pulaski...Developments al the William Wisc Mine 13-4: 1.8.9 Erich Grunclcl Collecting at the ZCA Mine. West Pierrepont, New |
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