 | BendezĂș, Ronner, Page, Laurence, Spikings, Richard, Pecskay, Zoltan, FontbotĂ©, LluĂs (2008) New 40Ar/39Ar alunite ages from the Colquijirca district, Peru: evidence of a long period of magmatic SO2 degassing during formation of epithermal AuâAg and Cordilleran polymetallic ores. Mineralium Deposita, 43 (7) 777-789 doi:10.1007/s00126-008-0195-1 | Journal (article/letter/editorial) | | New 40Ar/39Ar alunite ages from the Colquijirca district, Peru: evidence of a long period of magmatic...crystals from the large Miocene Colquijirca district in central Peru. Combined with previously published...and base metal, Cordilleran ores took place at Colquijirca. The new data indicate that incursion of magmatic...magmatic SO2bearing vapor into the Colquijirca epithermal system began at least as early as âŒ11.9 Ma and...BendezĂș Sociedad Minera El Brocal S. A. A., Lima, Peru L. Page Department of Geology, Lund University, |  | | Journal (article/letter/editorial) | | epithermal mineralization in the Colquijirca mining district, central Peru Received: 28 August 2002 / Accepted:...2003 Springer-Verlag 2003 Abstract At Colquijirca, central Peru, a predominantly dacitic Miocene diatreme-dome...from pyriteâenargiteâquartzâalunite to pyriteâ chalcopyriteâdickiteâkaolinite to pyriteâsphaleriteâgale...ores in the northern part of the district (Smelter and Colquijirca) at 10.6â10.8 Ma. The signiïŹcant time...ages of the two mineralization types in the Colquijirca district indicates they were formed by diïŹerent hydrothermal |  | | Journal (article/letter/editorial) | | Cu-Zn-Pb-(Au-Ag) Mineralization in the Colquijirca District, Central Peru: Deposit-Scale Mineralogical Patterns...AND LLUĂS FONTBOTĂ2 1Bilbao 2Sciences 295, Lima, Peru de la Terre et de lâenvironnement, UniversitĂ© de...CH-1205, GenĂšve, Switzerland Abstract At Colquijirca, central Peru, a Miocene diatreme-dome complex is associated...deposits, Smelter and Colquijirca, located in the northern sector of the district, are part of a continuously...peripheral ZnPb-(Ag) ores (Colquijirca deposit). The Smelter-Colquijirca corridor has undergone minor |  | | Journal (article/letter/editorial) | | Cu-Zn-Pb-(Au-Ag) Mineralization in the Colquijirca District, Central Peru: Deposit-Scale Mineralogical Patterns...AND LLUĂS FONTBOTĂ2 1Bilbao 2Sciences 295, Lima, Peru de la Terre et de lâenvironnement, UniversitĂ© de...CH-1205, GenĂšve, Switzerland Abstract At Colquijirca, central Peru, a Miocene diatreme-dome complex is associated...deposits, Smelter and Colquijirca, located in the northern sector of the district, are part of a continuously...peripheral ZnPb-(Ag) ores (Colquijirca deposit). The Smelter-Colquijirca corridor has undergone minor |  | | Journal (article/letter/editorial) | | Polymetallic Zn-Pb-Ag-Cu-Bi Mineralization at Cerro de Pasco, Peru* REGINA BAUMGARTNERâ ,** LLUĂS FONTBOTĂ, Department...Abstract The large Cerro de Pasco Cordilleran base metal deposit in central Peru is located on the eastern...through an intermediate zone of tennantite, chalcopyrite, and Bi minerals to a poorly developed outer...intermediate zone with tetrahedrite-pyrite, chalcopyrite, matildite, cuprobismutite, emplectite, and...areas, located 2.5 km northwest of the Cerro de Pasco open pit and in the southern part of the deposit |  | | Journal (article/letter/editorial) | | GEOLOGY JUNE--JULY,. 1955 MINE WALDEMAR OF COLQUIJIRCA, No. 4 PERU. LINDGREN. Introduction.--The...productivesilver mine of North and South America, is situated 8 kilometers south of Cerro de Pasco in the foothills...an elevationof about4,ooo meters. It is a small mine; the greatestdepth attained,as far as I know, is...For comparison, it may be recalledthat the Premier mine, British Columbia,produced27,ooo,oooouncesof silver...Standard Mine produced4,ooo,oooouncesin 1925. The whole silver productionof the Tintic district from 1869 |  | | Journal (article/letter/editorial) | | GEOLOGY OF THE SILVER COLQUIJIRCA, H. DEPOSIT AT PERU. E. MCKINSTRY. DR. WAâą.r)V. MARLâąNâą)GRV...hasrecentlypublisheda paperon the Colquijirca Silver mine in the Andes of Central Peru.- The presentarticle is...younger than the âą Lindgren, W.: The Silver Mine of Colquijirca, Peru. 331-346, I935. 618 Ecos. GEoâą.., vol...vol. 30, pp. SILVER DEPOSIT .4T COLQUHIRC.4, PERU. 619 MachayLimestone(Comanchian).They are believedby...heldresponsible for the mineralizationat Cerro de Pasco. Unish Tuff.--Adjoining the intrusiveon the southis |  | Soler, P. (1987) Variations des teneurs en ïżœlïżœments mineurs (Cd, In, Ge, Ga, Ag, Bi, Se, Hg, Sn) des minerais de Pb-Zn de la province polymïżœtallique des Andes du Pïżœrou Central. Mineralium Deposita, 22 (2) doi:10.1007/bf00204691 | Journal (article/letter/editorial) | | Ag, Bi, Se, Hg, Sn) des minerais de Pb-Zn de la province polym tallique des Andes du P rou Central P. ...concentrts de Pb et Zn, provenant de 89 gisements de la province polymttallique des Andes du Pdrou central ont...gtographique des gisements: darts la partie nord de la province apparait une anomalie positive en In, Ga, Ge et...ore deposits of the polymetallic province of the Andes of central Peru have been analyzed. The distributions...ore deposits, e.g., in the northern part of the province an In, Ga, Ge, and Cd positive anomaly appears |  | | Journal (article/letter/editorial) | | âą6, Colquijirca, Peru. Vein of stromeyeritein tennantite. X 540. Fxc. 2. No. 6r. Colquijirca, Peru...found in a suite from the Colquijirca silver mine near Cerro de Pasco,Peru, slibmittedto me by the owner...(analysisfrom this specimen)so replaces both chalcopyrite and tennantite. In that samesectionthere are... 4 WâąILDEMâąIR LINDGREN. Fro. 3- No. 6x, Colquijirca, Peru. S, stromeyerite; T, tennantite: ,'/g, silver...against tennamite. X 446. Fia. 4- No. 6x, Colquijirca, Peru. S, stromeyerite;'T, tennantite. X 446. Note |  | | Journal (article/letter/editorial) | | GEOLOGY AND MAJOR ORE DEPOSITS OF CENTRAL ULRICH PERU PETERSEN CONTENTS PAGE Abstract ................................................... Cerro de Pasco ..................................................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 |  | | 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) | | IN A ZONED CORDILLERAN BASE METAL DISTRICT, MOROCOCHA, CENTRAL PERU Honza CATCHPOLE§ Earth and Environmental...polymetallic mineralization in the Morococha district, central Peru, displays a deposit-scale base metal zonation...evolving hydrothermal fluid by the host rock on a district-scale. Keywords: base metal zonation, Morococha...BendezĂș et al. 2008a). In the Morococha district, central Peru, Cordilleran polymetallic mineralization...2008), Casapalca, Peru (McKinstry & Noble 1932, Rye & Sawkins 1974), and Colqui, Peru (Kamilli & Ohmoto |  | | Journal (article/letter/editorial) | | pohwatp@si.edu ENARGITE Longfellow Mine, Red Mountain District, San Juan County, Colorado Are all things...the north orebody of the Longfellow mine, Red Mountain district, San Juan County, Colorado. Specimen...in hydrothermal vein deposits associated with chalcopyrite, tetrahedrite, sphalerite, galena, pyrite, calcite...the Tri-State district in the United States. It is known to replace pyrite, chalcopyrite, tennantite,...Frondel 1944). The copper arsenates of the Tintic district, Utah, and of Tsumeb, Namibia, result from the |  | | Journal (article/letter/editorial) | | Inclusions, and Sulfur Isotopes of the Huanzala Deposits, Peru: Early Skarn and Late Polymetallic Replacement Style...stability ïŹeld of pyriteâbornite to reach that of chalcopyrite, promoting an increase in FeS from 0.1 to 1...is comprised of several economically important mining districts producing copper, zinc, lead, silver...byproduct metals in the North American Cordillera and Peru (Baumgartner et al., 2008). Mineralization of this...of less than 1 km below the surface. The Huanzala mine (CompañĂa Minera Santa Luisa S.A.) has produced |  | Catchpole, Honza, Kouzmanov, Kalin, BendezĂș, Aldo, Ovtcharova, Maria, Spikings, Richard, Stein, Holly, FontbotĂ©, LluĂs (2015) Timing of porphyry (Cu-Mo) and base metal (Zn-Pb-Ag-Cu) mineralisation in a magmatic-hydrothermal systemâMorococha district, Peru. Mineralium Deposita, 50 (8) 895-922 doi:10.1007/s00126-014-0564-x | Journal (article/letter/editorial) | | in a magmatic-hydrothermal systemâMorococha district, Peru Honza Catchpole & Kalin Kouzmanov & Aldo BendezĂș...Heidelberg 2015 Abstract The Morococha district in central Peru is characterised by economically important...history of magmatichydrothermal activity in the district. In the late Miocene, three individual magmatic-hydrothermal...the oldest magmatichydrothermal system in the district and consists of a composite porphyry stock associated...magmatic-hydrothermal centre in the west of the district has a maximum duration of 0.3 Ma, ranging from |  | Catchpole, Honza, Kouzmanov, Kalin, FontbotĂ©, LluĂs, Guillong, Marcel, Heinrich, Christoph A. (2011) Fluid evolution in zoned Cordilleran polymetallic veins â Insights from microthermometry and LA-ICP-MS of fluid inclusions. Chemical Geology, 281 (3) 293-304 doi:10.1016/j.chemgeo.2010.12.016 | Journal (article/letter/editorial) | | Cordilleran polymetallic vein from Morococha, central Peru. Results record an evolution from initial deep-seated...common feature observed during ïŹeld mapping and mine exploration essaying, and occurs from the small...replacement ore bodies to entire ore deposits or mine districts. Classic examples include Casapalca (Rye...Sawkins, 1974), Butte (Meyer et al., 1968), Colquijirca (BendezĂș and FontbotĂ©, 2009), Morococha (McLaughlin...(McLaughlin and Graton, 1935; Cerro de Pasco Copper Corporation, 1948; Petersen, 1965; Catchpole et al., |  | | Journal (article/letter/editorial) | | As:S approximately 3:5 is reportedfrom Cerro de Pasco (61. p. 822). TERNARY SYSTEM Cu-As-S Apart from...while luzonite remains. Elsewhere, as at Cerro de Pasco(42) and Luzon (35), enargiteand luzoniteare intergrownwith...grainsof enargite(and alsoof pyrite) at Cerro de Pasco(28, p. 669) and at Kennecott (7). In the sameoresat...intergrowthis replacedby tennantite at Cerro de Pasco (42) and by tennantiteand chalcopyriteat Luzon (35)...in the \Vest Catas ore body of the Yauricocha Mine, Peru. Dorneykite-Chalcocite and âą11godonitc-Chalcocite |  | | 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...Chonta,Chanca, Raura, SanMateo, Huarochirâą,Colquijirca,Cerro de Pasco,Morococha,Huancavelica,Julcani,Castrovirreyna...Accordingto Purser(1971) Spanishcolonialsilver mining faced three main problems:(1) downward drop in...wasmostlyusedfor the treatment of silver and gold ores in Peru, Bolivia, and Mexico (RodriguezHoyle, 1974). In |  | Wang, Changming, Zhang, Da, Wu, Ganguo, Santosh, M., Zhang, Jing, Xu, Yigan, Zhang, Yaoyao (2014) Geological and isotopic evidence for magmatic-hydrothermal origin of the AgâPbâZn deposits in the Lengshuikeng District, east-central China. Mineralium Deposita, 49 (6) 733-749 doi:10.1007/s00126-014-0521-8 | Journal (article/letter/editorial) | | origin of the AgâPbâZn deposits in the Lengshuikeng District, east-central China Changming Wang & Da Zhang...Heidelberg 2014 Abstract The Lengshuikeng ore district in east-central China has an ore reserve of âŒ43...characteristics, the mineralization in the Lengshuikeng ore district can be divided into porphyryhosted and stratabound...are both characterized by earlystage pyriteâchalcopyriteâsphalerite, middle-stage acanthiteâ native ...Introduction The Lengshuikeng ore district, located in the Jiangxi Province of east-central China (Fig. 1a) |  | | Journal (article/letter/editorial) | | by significant erosion. Low sulfidation-state chalcopyrite ± bornite assemblages are characteristic of...in magmatic arc settings. At the regional and district scales, the occurrence of many deposits in belts...Mamut Grasberg-Ertsberg Ok Tedi Cerro de Pasco & Colquijirca Choquelimpie Esperanza Escondida & Chimborazo...the geology of porphyry Cu systems at regional, district, and deposit scales. The resultant geologic model...(Sillitoe, 2005, and references therein). 72° 68° PERU 18° ARICA BOLIVIA Collahuasi Chuquicamata El |  | | Journal (article/letter/editorial) | | amounts of nickel in soils and rocks: Bull. Inst. Mining and Metallurgy, v. 623, p. 9-14. (C. A. 1959, 83...C. STOLL Petroleum.--There are three regionsin Peru that have been productive of petroleum: the Pirin...The CretaceousOyon coal measures,west of Cerro de Pasco at great altitudes,are reportedto be extensive,but...beds are greatly foldedand faulted. In the north of Peru, Tertiary lignite bedscrop out in Tumbesand follow...very likely a great deal of coal in the groundin Peru-âąestimateshave rangedfrom a few to hundredsof billions |  | Catchpole, H., Kouzmanov, K., Putlitz, B., Seo, J. H., Fontbote, L. (2015) Zoned Base Metal Mineralization in a Porphyry System: Origin and Evolution of Mineralizing Fluids in the Morococha District, Peru. Economic Geology, 110 (1) 39-71 doi:10.2113/econgeo.110.1.39 | Journal (article/letter/editorial) | | Evolution of Mineralizing Fluids in the Morococha District, Peru Honza Catchpole,1,â ,* Kalin Kouzmanov,1 Benita...polymetallic mineralization) in the Morococha district, central Peru, is part of a large magmatic-hydrothermal...Toromocho porphyry Cu-Mo deposit in the center of the district and display a typical concentric base metal zonation...conditions and precipitated tennantite-tetrahedrite, chalcopyrite, enargite, sphalerite, and galena. Upon cooling...constitute economically important Zn, Pb, Ag, and Cu mining districts that are centered on porphyry Cu ± Au |  | | Book | | Universidad Nacional de lngenieria, and Newmont Peru Limited Gerente de Exploraciones Av. Jose Galvez...Galvez Barrenechea 218, Urb. Corpac Lima-San Isidro, Peru Prof. Dr. ESTEBAN CEDILW Facultad de Minas, Metalurgia...place in September 1986 in Cusco, Peru, sponsored by Multiciencias (Peru) and UNESCO. During this seminar...Latorre, Director of the Multiciencias courses in Peru strongly supported the whole organization of the...Occurrences in the Paleozoic of the Yauli Dome, Central Peru H. W. Kobe . . . . . . . . . . . . . . . . . . |  | | Journal (article/letter/editorial) | | Earth. In 2017, the Central Andes accounted for the mine production of around 39% of the worldâs copper,...former two occur from Central Chile to southern Peru, whereas the youngest and easternmost extend from...central Chile/Argentina to Bolivia and to northern Peru and beyond. Table 1 summarizes the characteristics...(Chile is the worldâs leading copper producer, with Peru second). 1 Department of Earth Sciences, University...Typical stockwork in a porphyry deposit with chalcopyrite vein cross-cutting earlier âAâBâ veins. Porphyry |  | Rottier, B., Kouzmanov, K., WĂ€lle, M., BendezĂș, R., FontbotĂ©, L. (2016) Sulfide Replacement Processes Revealed by Textural and LA-ICP-MS Trace Element Analyses: Example from the Early Mineralization Stages at Cerro de Pasco, Peru. Economic Geology, 111 (6) 1347-1367 doi:10.2113/econgeo.111.6.1347 | Journal (article/letter/editorial) | | the Early Mineralization Stages at Cerro de Pasco, Peru* B. Rottier,1,â K. Kouzmanov,1 M. WĂ€lle,2 R.... Lima, Peru Abstract The large Cerro de Pasco Cordilleran base metal deposit in central Peru is the...three successive mineralizing stages at Cerro de Pasco. Introduction Ore deposits are typically formed...(Murowchick, 1992; Qian et al., 2011). Cerro de Pasco is a porphyry-related epithermal base metal deposit...range of metalsâZn-Pb-Cu-Ag(Au-Bi-Sb). Cerro de Pasco is the second largest known Cordilleran base metal |
|
