 | Rottier, B., Kouzmanov, K., Wälle, M., BendezĂş, R., FontbotĂŠ, 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) | | from the Early Mineralization Stages at Cerro de Pasco, Peru* B. Rottier,1,â K. Kouzmanov,1 M. Wälle... Lima, Peru Abstract The large Cerro de Pasco Cordilleran base metal deposit in central Peru is the...pyrrhotite by porous marcasite and replacement of arsenopyrite by pyrite. Subsequently, marcasite is partly replaced...pyrrhotite and arsenopyrite and of the newly formed marcasite and pyrite support dissolutionreprecipitation...the elements at a ppm level into the pyrite and marcasite structures cannot be excluded. The obtained As |  | | Journal (article/letter/editorial) | | GEOLOGY AND MAJOR ORE DEPOSITS OF CENTRAL ULRICH PERU PETERSEN CONTENTS PAGE Abstract ........................................................ Cerro de Pasco .............................................century,what is now the Cerro de PascoCorporationstartedoperationsin Cerro de Pascoand later expanded'...observations and ideas. MAJOR ORE DEPOSITS OF CENTRAL PERU 409 General summariesare presentedby McLaughlin...most part as a memberof the geologydepartmentof Cerro de PascoCorporation. This provided an excellent opportunity |  | | Journal (article/letter/editorial) | | Environ.merit of ()re Depositionat Cerro1)ePasco,Peru Mâ˘mco T. EINAUDI Abstract The massivesulfidereplacementbodyin...FeS-rich sphalerite alteredby late fluidsto pyrite-marcasite and FeS-poorsphalerite. Rapidsulfidedeposition...mole percentFeS, accompaniedby galena, pyrite, marcasite,and minor tennantite. Alteration minerals, which...metallogeniclink betweenthe CuZn-Pb-Ag provinceof central Peru and the Sn-W-Ag-Bi provinceof Bolivia. The seco...sulfidelode deposits,suchas Yauricochaand Morococha,Peru; Magma and Bisbee,Arizona; and Butte, Montana. High |  | | Journal (issue) | | and TSKnerals of i'eru ! Indian miner, Cerro de Pasco, Peru, 1869 (Simonin, 1869). J3E(mes and J3E(merals...group, 7 cm, from the Huanzala mine, Dos de Mayo Province, Peru. Marty Zinn collection; Jeff Scovil photo............................... 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 BUENO G r................. Pasto Bueno district, Pallasca province, department of Ancash R a u r a -H u a n z a l |  | | Journal (article/letter/editorial) | | from Cerro de Pasco and Cobriza, Per(, associated with hexagonal pyrrhotite and pyrite-marcasite. A temperature...conversionof pyrrhotite to marcasite' Though this unknown sulfide does indeed resemble marcasite more closely than...throughout the pyrrhotite-bearing portions of both Cerro de Pasco and Cobriza, Peni.l Its greatest development...pyrrhotite. The 1 Cerro de Pasco is located 175 km NE of Lima, in the department of Pasco. Cobriza is located...are voids. Tracing of microphotograph, Cobriza, Peru. Manto outcrop at2840m. lamellae, having a distinct |  | | Report (issue) | | distinctive late-stage botryoidal pyrite and marcasite, with lesser stibnite, sphalerite, and pyrargyrite...photomicrograph of the sample's early stratigraphy shows marcasite, banded pyrite, and stibnite. The field of view...-29%o) are pyrite, the green (band labeled +35%o), marcasite. As shown in the plots of 834S and trace element...right, the heaviest 534S values occur in the marcasite, whereas the lightest 5->4S values occur late...started to wane. The presence of contemporaneous marcasite and pyrite suggests relatively acid pH values |  | | Report (volume) | | Deposits of the Atacocha District ¡Departamento de Pasco Peru By ROBERT F. JOHNSON, RICHARD W. LEWIS, Jr....with the lnstituto N acional de lnvestigacion y Fo¡mento Mineros, Ministerio de Fomento y Obras Publicas...sections of the Atacoeha district, Departamento de Pasco, Peru. Geologic map of the Machcan area. Map of the...location of the Atacocha district, Departamento de Pasco, Peru_______________________________ 339 The Mitu...DEPOSITS OF THE ATACOCHA DISTRICT, DEPARTAMENTO DE PASCO, PERU BY RoBERT F. JoHNSON, RICHARD W. LEWIS |  | | Journal (article/letter/editorial) | | types of ores are recognized in the Huanzala mine, Peru. Zinc and lead ore of adularia-sericite type, is...Genesis of the Huanzala Deposits, Peru In the Huanzala deposits, Peru, zinc and lead deposits coexist with...summarized as follows. The mine is situated in central Peru, about 250 km north of Lima. This region is underlain...adularia-sericite type, (B) acid-sulfate type. nite, marcasite, teineite and others (Watanabe, 1936, 1943a, 1943b...wurtzite, calaverite (Hwang and Meyer, 1982) and marcasite. The gangue minerals are quartz, barite, alunite |  | | Journal (article/letter/editorial) | | Polymetallic Zn-Pb-Ag-Cu-Bi Mineralization at Cerro de Pasco, Peru* REGINA BAUMGARTNERâ ,** LLUĂS FONTBOTĂ,...Abstract The large Cerro de Pasco Cordilleran base metal deposit in central Peru is located on the eastern...Rosa areas, located 2.5 km northwest of the Cerro de Pasco open pit and in the southern part of the deposit...Teck Cominco Peru, Psje. los Delfines 159, Las Gardenias, Santiago de Surco Lima 33, Peru. 0361-0128/08/3739/493-45...formed alunite. The hydrothermal system at Cerro de Pasco was emplaced at a shallow depth (~500 m) in |  | | Catalog/List | | has from rece~tly bEen reidcntified Mina Pedro de Valdivia as Chile) Cumengeite. lem f3.60 C261...CHALCOPYRITE good crystals Also Quartz crystals and Peru) lxl f3 lx2 C271 CHLORITE variety RIPIDOLITE ...Okehampton Devon) lxl SOp lx2 fl.00 2x2 f2 2x3 f3 Peru) lx2 E3 Butte,Lane fine C289 (Huaron Mine lxl...4x2ins (Mina 16 8mm on 1/2ins single matrix. (Cerro crystal. lins spots f4.50 Gordo massive xlins...Fluorite Tetrahederite on one side. (Huallapon Mine Peru) lxl.5 f2 grey masses N.Ireland) miner Hematite |  | Rottier, B., Kouzmanov, K., Casanova, V., Wälle, M., FontbotĂŠ, L. (2018) Cyclic Dilution of Magmatic Metal-Rich Hypersaline Fluids by Magmatic Low-Salinity Fluid: A Major Process Generating the Giant Epithermal Polymetallic Deposit of Cerro de Pasco, Peru. Economic Geology, 113 (4) 825-856 doi:10.5382/econgeo.2018.4573 | Journal (article/letter/editorial) | | Giant Epithermal Polymetallic Deposit of Cerro de Pasco, Peru B. Rottier,1,â ,* K. Kouzmanov,1 V. Casanova...mid-Miocene Cerro de Pasco Cordilleran polymetallic (Zn-Pb-Ag-Cu-Bi) deposit in central Peru formed during...the giant epithermal polymetallic deposit of Cerro de Pasco. Such a mechanism may also explain moderate-salinity...online. USA and Cerro de Pasco, Colquijirca, Julcani, Morococha, and Quiruvilca in Peruâthe term âCordilleranâ...epithermal polymetallic orebodies in Butte, Cerro de Pasco, and Morococha are sourced from hydrothermal |  | | Journal (article/letter/editorial) | | Metallogenesisof SulfideOre Deposits in Central and Southern Peru SAMUEL B. MUKASA, Departmentof GeologicalSciences...Cfâ˘SARE. VIDAL C., Perubar,S.A.,Juan de Arona 830--Oficina 901, Lima 27, Peru AND JORGEINJOQUE-ESPINOZA Ch...the Peruvian ear belt. In central and northern Peru, where Pre- Andesconsistof severallithotectonicunitsrangingin...alongthe continentalmarginin central and southern Peru (Fig. 1). Paleozoicgranitoidsof the SanNicolfis...thebatholith(LimaandTrujillo sulfide phases;pyrrhotite, marcasite,covelite, and segments) ismineralizedonlyto a |  | | Journal (article/letter/editorial) | | JUNE--JULY,. 1955 MINE WALDEMAR OF COLQUIJIRCA, No. 4 PERU. LINDGREN. Introduction.--The Colquijircamine...America, is situated 8 kilometers south of Cerro de Pasco in the foothills of the Junin pampa,at an...I believeall the ores are now smelted.bythe Cerro de Pasco Company. Some of the ores have been describedby...minerais mdtalliques du Perou. Bull. Soc. Franâ˘aise de Min., 52, 9I-â˘O7, I92O. McKinstry, H. E.: Interpretation...Interpretation of Concentric Textures at Colquijirca, Peru. Amer. Miner., â˘4, 43o-433, x929. Lindgren, W.: |  | | Journal (article/letter/editorial) | | MINERALOGIST, VOL. 54, JULY AUGUST, 1969 DE PASCO, PERU: "Tt#3.H3i5NcERRo Dnxlrrs R.q.ocrrlnr AND...significant amounts of copper in pr.rite from Cerro de Pasco,Peru, were reported (up to l.+%). Electron probe...pyrite from EIba. Also the copper-richpyrite from Peru and Fiji are reported to occur with enargite mineralization...bonding with the As atoms (Nickel, 1968), and the de configurationof Cu would not be maintained. A resultant... T. (1968) Copper zoning in pyrite from Cerro de pasco, peru. Amer. Minerol. 53,1748-1752. FnrNznr,, |  | | Journal (article/letter/editorial) | | GEOLOGY OF THE ATACOCHA MINE, DEPARTMENT OF PASCO, PERU ⢠ROBERT F. JOHNSON CONTENTS PAGE Abstract...Atacocha lead-zinc mine, 15 km northeast of Cerro de Pasco in Central'Peril, was the object of a detailed...geologicinvestigationin 1952 by geologistsof the Instituto Nacional de Investigaci6n y Fomento Mineros and the U.S. GeologicalSurvey...resources,undertakenjointly by the Instituto Nacional de Investigaci6ny FomentoMinerosand U.S. GeologicalSurvey...Departmentof Pasco in CentralPeril, 15 km northeastof the greatcopper-lead-zinc depositat Cerro de Pasco(Fig. |  | | Journal (article/letter/editorial) | | which they are stronglyout of equilibrium. At Cerro de Pascoenargite-bearing solutionsencroached upon...aboutthirty mineraldistrictsin the Andesof Central Peru. The resultsof that investigation, describingeight...opportunityto study during my residencein Central Peru for over a decade. I wish to expressmy appreciationto...any shortcomings. Acknowledgement is also due to Cerro de PascoCorporationfor continuing financialand moral...irregularveinswith moderatetonnages(i.e., southof Cerro de Pasco vent, phyllitesectionin San Crist6bal,Cambalache |  | | Journal (article/letter/editorial) | | C. STOLL Petroleum.--There are three regionsin Peru that have been productive of petroleum: the Pirin...outputcomesfrom the Goyllarisquizgamine of the Cerro de PascoCorporation,which usesthe output for makingcokefor...promise. The CretaceousOyon coal measures,west of Cerro de Pasco at great altitudes,are reportedto be extensive...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-â˘estimateshave rangedfrom a few to hundredsof billions |  | | Journal (article/letter/editorial) | | OF THE SILVER COLQUIJIRCA, H. DEPOSIT AT PERU. E. MCKINSTRY. DR. WAâ˘.r)V. MARLâ˘Nâ˘)GRV. N ⢠...Colquijirca Silver mine in the Andes of Central Peru.- The presentarticle is the result of five monthsof...Colquijirca, Peru. 331-346, I935. 618 Ecos. GEoâ˘.., vol. 30, pp. SILVER DEPOSIT .4T COLQUHIRC.4, PERU. 619...to the Cerro Monzonite porphyry whichis heldresponsible for the mineralizationat Cerro de Pasco. Unish...Ahlfeld, F.: Die Silbererzlaggerst//tte Colquijirca, Peru. Zeit. Prâ˘ikt. Geol. vol. 4o, pp. 8x-87, x932, says |  | | Journal (article/letter/editorial) | | MINERALOGIST, VOL. 54, JULY AUGUST, 1969 DE PASCO, PERU: "Tt#3.H3i5NcERRo Dnxlrrs R.q.ocrrlnr AND...significant amounts of copper in pr.rite from Cerro de Pasco,Peru, were reported (up to l.+%). Electron probe...pyrite from EIba. Also the copper-richpyrite from Peru and Fiji are reported to occur with enargite mineralization...bonding with the As atoms (Nickel, 1968), and the de configurationof Cu would not be maintained. A resultant... T. (1968) Copper zoning in pyrite from Cerro de pasco, peru. Amer. Minerol. 53,1748-1752. FnrNznr,, |  | | Journal (article/letter/editorial) | | crystal classes. A familiar example is pyrite and marcasite. Both are iron sulfide in composition, but pyrite...pyrite crystals are isometric whereas marcasite crystals are orthorhombic.) Enargite and luzonite are ores...specimen, Jeff Scovil photo. The Laurani mine, Aroma Province, La Paz Department, Bolivia, has produced large...edge. The Amolinas mine, Sierra JardĂn, CopiapĂł Province, Atacama Region, Chile, a silver-copper mine,...been collected from Sierra Famatina, La Rioja Province, Argentina. These crystals are associated with |  | | Journal (article/letter/editorial) | | with As:S approximately 3:5 is reportedfrom Cerro de Pasco (61. p. 822). TERNARY SYSTEM Cu-As-S Apart...out while luzonite remains. Elsewhere, as at Cerro de Pasco(42) and Luzon (35), enargiteand luzoniteare...Covelliteoccurswithin grainsof enargite(and alsoof pyrite) at Cerro de Pasco(28, p. 669) and at Kennecott (7). In the sameoresat...luzonite-enargite intergrowthis replacedby tennantite at Cerro de Pasco (42) and by tennantiteand chalcopyriteat Luzon...the \Vest Catas ore body of the Yauricocha Mine, Peru. Dorneykite-Chalcocite and â˘11godonitc-Chalcocite |  | Benites, Diego, TorrĂł, Lisard, Vallance, Jean, Laurent, Oscar, Valverde, Pablo E., Kouzmanov, Kalin, Chelle-Michou, Cyril, FontbotĂŠ, LluĂs (2021) Distribution of indium, germanium, gallium and other minor and trace elements in polymetallic ores from a porphyry system: The Morococha district, Peru. Ore Geology Reviews, 136. 104236pp. doi:10.1016/j.oregeorev.2021.104236 | Journal (article/letter/editorial) | | from a Porphyry System: the Morococha District, Peru Diego Benites, Lisard TorrĂł, Jean Vallance, Oscar...from a Porphyry System: the Morococha District, Peru, Ore Geology Reviews (2021), doi: https://doi.org/10...from a Porphyry System: the Morococha District, Peru 3 Diego Benitesa, Lisard TorrĂła,*, Jean Vallancea...Catholic University of Peru (PUCP), Av. Universitaria 1801, San Miguel, Lima 15088, 7 Peru 8 b Department...porphyry- 20 related Morococha District, Central Peru. Among the investigated minerals, LA-ICP-MS 21 |  | | Journal (article/letter/editorial) | | pp. 247-256 The Geology of the CarahuacraMine, Peru WILFRED ALEXANDER LYONS Abstract The CarahuacraMine...tetrahedrite, jamesoniteand severalstagesof pyrite and marcasite. Oxidation and supergene enrichmenthave formed...by Steinmann(1930), The GeologicalStaff of Cerro de Pasco Corporation (1948) and most re- centlyPetersen(1965)...ore fragments by sphalerite-galenaand/or pyrite-marcasite. These crossveinsare representedin the hangingwall...fracture of chiefly of sphalerite,galena, pyrite, marcasite,and 1920 vein has displacedthe tuffs 12 to 13 |  | | Journal (article/letter/editorial) | | and Cerro de Barton,1970). Assemblages deposits, such as Quiruvilca and Julcani, suggest a Pasco,Peru...example, deposittype. in the earlypipesat Cerrode Pasco,Fe-richsphalerite The zonations of alteration and...observationsin somebasemetal lodes placedby pyrite + marcasite;and early pyrrhotite thathighfs2phases replacelowfs2phases...to exist at an⢠Barton an⢠Sâ˘inner (1979). Cerro de Pasco(GratonandBowditch,1936, p. 671) FIG. 1. Ore...progradingparagenesis(Meyer et al., 1968). Other deposits,suchas Cerro de Pascoor Moroeoeha,exhibit a very late prograd |  | | Journal (article/letter/editorial) | | I936 No. 7 ACID SOLUTIONS IN HYPOGENE AT CERRO DE PASCO. ⢠AND SAMUEL I. BOWDITCH. OUTLINE. Introduction........................... Interpretat{on at Cerro de Pasco ........................... Alkaline Solutions...meeting,Dec., â˘935. Publishedwith permissionof the Cerro de PascoCopperCorporation. 651 652 L. C. GRATON...sulphidedepositsand the associated wall rock alterationat Cerro de Pasco,Peru, as now developed,shed clearand unequivocal...carriedon systematically and continuously by the Cerro de PascoCopperCorporationfor more than t 5 years |
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