 | | Journal (article/letter/editorial) | | THE PYRITE CERRO BODY AND COPPER DE PASCO MINE, HECTOR OREBODIES CENTRAL PERU J. WARD CONTENTS...Formation ................................ Matagente vein system ....................................ABSTRACT The general geology of the Cerro de Pasco Mine in Central Peru is briefly reviewed to acquaint the...and structural factors. CERRO de PascoMine on the westernside of Cerro de Pascotownshipis at 10042'...latitude and 76015' west longitude (Fig. 1) in Central Peru. The collar of the main shaft, Lourdes shaft, is |  | | Journal (article/letter/editorial) | | ENFIRONMENT OF ORE DEPOSITION PER U--.4 DISC _/IT CERRO DE P.4SCO, USSION Sir: Einaudi'scontribution(1977)...) is a fine step the principal lead veins at Matagente (Amstutz and forward in the furtheranceof the...further to standingof the great ore complexat Cerro de Pasco. the northwest strike N 45 ø \V whereas the...28 vein system(as then representedon mine pyrite-quartz body and associatedsediments. The plans) is one...field relations in resolving cer- systelnof Cerro de Pasco. The strike characteristics tain problems relating |  | | Journal (article/letter/editorial) | | Environ.merit of ()re Depositionat Cerro1)ePasco,Peru M•mco T. EINAUDI Abstract The massivesulfidereplacementbodyin...monzoniteand volcanicagglomerateto sericite-pyrite-quartz. Upward and outward zoning relative to central...centrallylocatedpyrrhotitepipesfollowsthe sequence quartz-pyrrhotite-wolframite, pyrrhotite-stannite-chalcopyrite-sphalerite...have been buffered by pyrrhotite-siderite-chlorite-quartz toward increasingoxidation-sulfidationstates, such...may signify brief excursions into the quartz-sideriteor quartz-chloritefieldsdue to influx of oxidized |  | | Journal (article/letter/editorial) | | Polymetallic Zn-Pb-Ag-Cu-Bi Mineralization at Cerro de Pasco, Peru* REGINA BAUMGARTNER†,** LLUÍS FONTBOTÉ,...Abstract The large Cerro de Pasco Cordilleran base metal deposit in central Peru is located on the eastern...stages. The first stage consists of a large pyrite-quartz body replacing Lower Mesozoic Pucará carbonate...composed of pyrite with pyrrhotite inclusions, quartz, and black and red chalcedony (containing hypogene...contact with the pyrite-quartz body, the diatreme breccia is altered to pyrite-quartz-sericite-pyrite. This |  | | Journal (article/letter/editorial) | | mine, Ireland, and the Matagentedeposit,Cerro de Pasco,Peru. The distributionof the alterationassemblages...zoneof oxidation. Thecomplexly zonedassemblages at Matagente mineareproduced by oxidation of primary ore in...BARNES agh,CountyGalway,Ireland, andthe Cerrode Pasco mine (Matagentedeposit),Peru.Studiesof thistype...volcanics [---I Paleozoic sediments Residual ore Oxi de ore Mixed ore MINERALIZATION J• manganese oxides...ground respectto CaCO3.The residualore (zone1) is de- in the mixedore (zone8), only asa minorphase. Table |  | Baumgartner, R., Fontbote, L., Spikings, R., Ovtcharova, M., Schaltegger, U., Schneider, J., Page, L., Gutjahr, M. (2009) Bracketing the Age of Magmatic-Hydrothermal Activity at the Cerro de Pasco Epithermal Polymetallic Deposit, Central Peru: A U-Pb and 40Ar/39Ar Study. Economic Geology, 104 (4) 479-504 doi:10.2113/gsecongeo.104.4.479 | Journal (article/letter/editorial) | | Magmatic-Hydrothermal Activity at the Cerro de Pasco Epithermal Polymetallic Deposit, Central Peru: A U-Pb and 40Ar/39Ar... Abstract The Cerro de Pasco epithermal Cordilleran base metal deposit in central Peru consists of two...duration of the magmatic-hydrothermal system at Cerro de Pasco, U-Pb age determinations and Hf isotope determinations...diatreme, 15.35 ± 0.05 and 15.16 ± 0.04 Ma for two quartz monzonite porphyry dikes emplaced into the diatreme-dome...diatreme-dome complex and on the southern part of the Cerro de Pasco open pit, respectively. 40Ar/39Ar alunite ages |  | | 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) | | 1958 and Amstutz, 1958e). Observations in southern Peru "porphyry copper" (1954b) and observations in the...observed for example in the Cuajone deposit of southern Peru in many details. The same, discussion over similar...(Krivoi Rog and others), in Brazil and Venezuela (Cerro Bolivar), in Labrador and at other places, where...keratophyric lavas are deposited alternately with quartz porphyries according to no apparent pattern - always...made up of limestone or other sediments, e.g. , at Cerro del Mor,o near Arica, Chile. 2) in ,the sirnultanedus |  | | Book | | P')76m Purser, W I' C 198T- , • Metal-mining in Peru, put and present 1by1 W. F . C. Purser. New York...NIOUro.. Peru. . l. Tltle- TN~9.P8T. . -· ' • 18,50 '18-182'81 Metal-Mining in Peru, Past and...social, and political development. Metal-Mining in Peru, Past and Present -a :'O > m C) m ::D ,, Ch...importance of the mines of Peru. Part~ of the book sketches the background of Peru and its mining history...into five chapters for the five mining areas of Peru. Part III is concerned with the economic significance |  | | Journal (article/letter/editorial) | | bundles of laments encrusted with goethite and quartz showing vertical orientation due to gravity draping...heavily encrusted lament strands, embedded in brous quartz (chalcedony), height 2.0 mm; (e) thin section photomicrograph...Priday Ranch, Oregon, USA Needles, Texas, USA Sierra de Gallego, Chiuahua, Mexico Deccan Trapps, India Arz...France Bleiberg, Carinthia, Austria Matagente, Cerro de Pasco, Peru Tsumeb, Namibia Broken Hill, New South...chalcedony; goe = goethite; hem = hematite; qtz = quartz; zeo = zeolites. Filament morphotypes: A: irregular |  | | Journal (article/letter/editorial) | | Mountains, California Madras area, Oregon, USA Ojo de la Laguna, Chihuahua, Mexico Paranà Basin, Brazil...Chalcedony in Devonian basalt Quartz varieties in Tertiary basalts Quartz varieties in Tertiary basalts...basalts Chalcedony/chert in Tertiary basalts Quartz varieties in Permian volcanics I, I, I, I, I, I I M R...44º21N, 29º29N, Chalcedony in Tertiary volcanics Quartz varieties in Tertiary dacite Chalcedony in Tertiary...India 31º38N, 7º28W Quartz varieties in Late Cretaceous volcanics Quartz varieties in Mesozoic basalts |  | | Book | | appear to have had his attention drawn to the province of Huelva (Kennedy 1886). Various Moorish authors...of mining (Figueroa 1859). A certain Don Francisco de Mendoza was commissioned to visit, examine, and gather...than the Romans. Figueroa (1859), Kennedy (1886) and de Launay (1889) go into the activities of the Phoenicians...and Rio Tinto, he observed in places a very marked de¬ pression in the ground exactly over the deposit...Planes, and North Lode, while the reddish crown of Cerro Colorado represents the oxidised remains of long |  | | Report (issue) | | eoltlelearniaiaiaintaletetelvieiaialata eremeleie Cerro: de) Mercado: -DUrango \siale «+ \eoTarerelaiale ...sieve Gamizgal, (Gane Carahuacra Casapalical Cerro eos eeeee eooeeresr eer oe eeeeeeeoeeeeeeeeeeeeene...eoe eeoeeeereoeseoeeeereeeeeeeeeeseeeeoe Rare de == aq no nocnoo0 ou Gounod do podouomadoooD ....eoeeereoeeeceoecoer eee se eeeeoseerseeseeoeee Pasco Colquijirca ..e.ece ..s.c.ce- eee eeeeeeeeeeoeeee... 1971, p. 215-225 The Bolivian tin-silver province: Econ. Geol., v. 66, ABSTRACT These bibliographies |  | | Book (edition) | | 183 i8g 192 ... . XV 11 I. — (iUA'IEMALA. XIX.— Peru Chile, — A Plata or Buenos XXII.— BkAzii XXIII...progress. YY.x^ZJ^.siyh. Institute International de Statistique. Rome, Svo. In progress. Ac. 2404. Adams...London, 1895. Agricola. De Re Metallica. Basil, 1657. Agieko Escalano (Claspar de). Ciazophilacium regium...Tkxeira. Monnaies d'Or, Sueve-Lusitaniennes, Extrait de la Revue Numismatique, Nouvelle Series, tome X, 1S65...by Pascual de Gayangos. London, 1S40-3, 2 vols, 4to. 452. m. 1-2. real del reyno de Peru). America |  | | Book | | . 11 Apropos du rdle metallogenique de la prkipitation et de I’adsorption skdimentaires .. . . .. ...pr6visionnelles a la recherche4 des gisements stratiformes de plomb P. NIC~LINI (Paris, France) ... . . . . . ... 107 etude sMimentologique du minerai de fer oolithique de Lorraine L. BUBENICEK (Maizitres-les-Metz...Sedimentologie et recherche des gisements ddimentaires marins de phosphate M.SLANSKY(Paris, France). . . .. ... ..... . . . . . . . . . . . . . . . . . 165 Rapport de synthkse P.R~UTHIER (Paris, France). . . . . . |  | | Report (chapter) | | wealth of South America. For example, at the Matagente mine, Peru, argentiferous plumbojarosite in pockets...simultaneously by Norzink AS (Steintveit 1965), Asturiana de Zinc (Sitges and Arregui 1964), and the Electrolytic...Front Range mineral belt, Colorado, and Nicholas and de Rosen (1963) included natrojarosite and gorceixite...crystals encapsulated in quartz, either the two minerals were coeval or the quartz was younger. The formation...alteration product in alunitized volcanic rocks at Casale de Mezzano, Italy, and Nekrasov and Nikishova (1987) |  | | Journal (volume) | | R. was I shown several rich specimens of gold quartz found near the head of the Eist Umpqua by an old...the great mesa and foothills of the *' Cordilleras de los Andes;" but the eyes do not rest here, for yon...Volcanoville. El Dorado Oo Cul will W , Oregon Quartz and Placer Mines. — Editors PRtss Your correspondent...Mr. Gordon shows rich specimens of gold-bearing quartz from Sucker and Johnson's cretka in Oooa county...copper. The Ddvilbias brothers, the discoverers of quartz mines on Johnson's creek, are working their mine |  | | Report (volume) | | of the structural classification suggested by Lima-de-Faria (1994) and recommended by the Subcommittee...Program of the United States Department of Energy grant DE-FG07-97ER14820 to PCB, and by the National Science...41:558-564 Borene J (1970) Structure cristalline de la parabutlerite. Bull Soc franc Minéral Cristallogr... Pulou R, Sempere R (1984) Structure cristalline de la langite, Cu4(SO4(OH)6H2O)H2O. Bull Minéral 107:641-648...Ginderow D, Cesbron F (1979) Structure cristalline de l'aubertite, AlCuCl(SO4)2(H2O)14. Acta Crystallogr |
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