 | | Journal (article/letter/editorial) | | magma-crust interaction, Central Andes, southern Peru Barbara A. Barreiro 1,, and Alan H. Clark 2 I Department...Jurassic to Recent age in Moquegua and Tacna Departments, southernmost Peru, to clarify the petrogenesis of...granodiorites from the Ilo and Toquepala intrusive complexes, and seven samples of Toquepala Group subaerial volcanics...inliers of Precambrian rocks occur in the Moquegua-Tacna transect (Fig. 1). TABLE 1 2. General geological...geological and geomorphological history of Moquegua and Tacna Departments (modified after references 22, 23, 25 |  | Clark, Alan H., Tosdal, Richard M., Farrar, Edward, Plazolles V., Armando (1990) Geomorphologic environment and age of supergene enrichment of the Cuajone, Quellaveco, and Toquepala porphyry copper deposits, southeastern Peru. Economic Geology, 85 (7) 1604-1628 doi:10.2113/gsecongeo.85.7.1604 | Journal (article/letter/editorial) | | of the Cuajone,Quellaveco,andToquepalaPorphyry Copper Deposits, SoutheasternPeru ALAN H. CLARK, Departmentof... SouthernPeru CopperCorporation,Casilla 303, Tacna,Peru* Abstract Copperoregradesof theCuajone,Quellaveco...enrichmentcontinuedat Quellavecoand, particularly,Toquepala,where there is no record of laterMioceneash-flow...enet316, Umacollo,Arequipa,Peru. 1604 CUAJONE,QUELLAVECO,AND TOQUEPALA DEPOSITS,SEPERU 1605 upgradingof...by K-Ar geochronologyof in the central Andes of Peru and Chile, as in other overlyingignimbrite flows |  | | Book | | P')76m Purser, W I' C 198T- , âą Metal-mining in Peru, put and present 1by1 W. F . C. Purser. New York...NIOUro.. Peru. . l. Tltle- TN~9.P8T. . -· ' âą 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 |  | Quang, C. X., Clark, A. H., W. Lee, J. K., Hawkes, N. (2005) Response of Supergene Processes to Episodic Cenozoic Uplift, PedimentErosion, and Ignimbrite Eruption in the Porphyry Copper Province of Southern Peru. Economic Geology, 100 (1) 87-114 doi:10.2113/100.1.0087 | Journal (article/letter/editorial) | | Erosion, and Ignimbrite Eruption in the Porphyry Copper Province of Southern PerĂș CHAN X. QUANG, ALAN H. CLARK...Abstract The Jurassic to middle Eocene porphyry copper deposits and prospects exposed on the Pacific slopes...area surrounding the Cuajone, Quellaveco, and Toquepala deposits (ca. 17° S) is revised and extended northwestward...were probably active in the Cuajone-Quellaveco-Toquepala district. Slow erosion and the accumulation of...for much of the upgrading of the Cuajone and Toquepala deposits and thr Quellaveco prospect, which are |  | | Book | | Dependency: Mining, Class, and Power in "Revolutionary" Peru David G. Becker Princeton University Press · Princeton...1. 2. 3. 4. Development, Class, and Dependency Peru: Un Pais Minero Mining Policy and Policymaking after...Transnationals and the Peruvian State 5. Southern Peru Copper versus an Assertive State: The Cuajone Project...of the Toquepala and Cuajone Basic Agreements D. Statutory Rights and Privileges of Peruvian Mine Workers... List of Tables 2.1 Indicators of Development for Peru 2.2 Peruvian Exports by Product, 1960 and 1980 2 |  | Clark, Alan H., Farrar, Edward, Kontak, Daniel J., Langridge, Robert J., Arenas F., Mario J., France, Lynne J., McBride, Sandra L., Woodman, Priscilla L., Wasteneys, Hardolph A., Sandeman, Hamish A., Archibald, Douglas A. (1990) Geologic and geochronologic constraints on the metallogenic evolution of the Andes of southeastern Peru. Economic Geology, 85 (7) 1520-1583 doi:10.2113/gsecongeo.85.7.1520 | Journal (article/letter/editorial) | | MetallogenicEvolution of the Andes of Southeastern Peru ALANH. CLARK,EDWARDFARlIAR,DANIELJ. KONTAK,*ROBERT... GedlogoConsultor,Caminosdel Inca 698, Lima 33, Peru LYNNEJ. FRANCE,**SANDRA L. MCBRIDE,PRISCILLA L...post-Paleozoic metallogenicevolutionof southeastern Peru is clarifiedon the basisof the stratigraphic an...Arc in the interval 52.15 (Cuajone)to 57.1 Ma (Toquepala)asthe terminalstagein the evolutionof the subaerial...contiguous centralAndeantransects, southeastern Peru differsmarkedlyfrom other areasof the countryin |  | Simmons, A. T., Tosdal, R. M., Wooden, J. L., Mattos, R., Concha, O., McCracken, S., Beale, T. (2013) Punctuated Magmatism Associated with Porphyry Cu-Mo Formation in the Paleocene to Eocene of Southern Peru. Economic Geology, 108 (4) 625-639 doi:10.2113/econgeo.108.4.625 | Journal (article/letter/editorial) | | Formation in the Paleocene to Eocene of Southern Peru* ADAM T. SIMMONS,1,** RICHARD M. TOSDAL,1,â JOSEPH...California 94305 Peru Copper Corporation, Casilla 303, Toquepala, Peru 4 Southern Peru Copper Corporation...Cuajone, Peru 5 AngloAmerican Exploration, Lima, Peru Abstract The Paleocene to Eocene southern Peru porphyry...porphyry Cu-Mo deposits at Cuajone, Quellaveco, and Toquepala. Ten new zircon U-Pb Sensitive High Resolution...MicroprobeReverse Geometry (SHRIMP-RG) ages for Cuajone and Toquepala, together with published ages for Quellaveco, |  | | Journal (issue) | | El rol clave de las empresas de ingenierĂa Peru: Copper production begins at Antapaccay The key role... summary 08 Xstrata Peru: Copper production begins at Antapaccay The mine will produce an average...average of 160,000 tons a year of copper in concentrates as well as gold and silver as byproducts during the...The key role of engineering companies Estimates of mine investments through 2020 suggest a busy time for...EIS for El Morro will be finishedâ 50 Pirquitas Mine progresses in the completion of its production plan |  | | Journal (article/letter/editorial) | | 1677-1685 THE SLUMP BRECCIASOF THE TOQUEPALA PORPHYRYCU(-MO) DEPOSIT, PERU: IMPLICATIONS FOR FRAGMENT ROUNDING...porphyry copper (-molybdenum)deposit of typesof oredeposits.In porphyrycoppercenterssuch Peru are int...fiuidizationprocessesin Hydrothermal Brecciasat Toquepala, Peru the emplacementof the fragmentalmaterials....erRichardandCourtright (1958) and SouthernPeru Copper Corp. Eng. Dept.). Locationsof brecciaexposuresdescribedhere...n a stockworkin which face geologicmappingat Toquepala(Richardet al., 1951).Two outcrops of"slumpbreccia |  | | Journal (article/letter/editorial) | | Potassium-Argon Dates from Toquepalaand Michiquillay, Peru A. W. LAUGHLIN, P. E. DAMON, AND B. N. WATSON Abstract...coppermineralization in Peru. A maximumage of 58.7----1.8 m.y. (Laramide) is assignedto the Toquepala depositand at...Michiquillay is thus the youngestdated porphyry copper. The relative youth of this mineralization probably...THREEsamplesspatiallyrelatedto porphyrycopper depositsin Peru have recentlybeen dated by the K-Ar method(Fig....catea predetermineif sucha relationshipexistsin Peru. cisionof 0.74% s.d. âą ContributionNo. 147, Program |  | Quang, C. X., Clark, A. H., Lee, J. K. W., Guillen B., J. (2003) 40Ar-39Ar AGES OF HYPOGENE AND SUPERGENE MINERALIZATION IN THE CERRO VERDE-SANTA ROSA PORPHYRY Cu-Mo CLUSTER, AREQUIPA, PERU. Economic Geology, 98 (8) 1683-1696 doi:10.2113/gsecongeo.98.8.1683 | Journal (article/letter/editorial) | | VERDE-SANTA ROSA PORPHYRY Cu-Mo CLUSTER, AREQUIPA, PERU CHAN X. QUANG,â ALAN H. CLARK, JAMES K.W. LEE, Department...Queenâs University, Kingston, ON K7L 3N6, Canada AND JORGE GUILLĂN B. Sociedad Minera Cerro Verde S.A., Asiento...299, Arequipa, Peru Abstract The contiguous Cerro Verde and Santa Rosa porphyry copper deposits are hosted...American plate boundary for at least 800 km in southern Peru and northern Chile (Fig. 1a). Centered at latitude...Cyprus Amax and now a subsidiary of Phelps Dodge Copper Corporation (82.5%) and CompañĂa de Minas Buenaventura |  | | Journal (article/letter/editorial) | | , 1962, Notes on a non-geneticclassificationof copper deposits: Ecoâąr. Gv.ot.., v. 57, p. 450-455. ... p. 321-345. Central Balabac Island, Palawan Province, Philippines: Ecoa. Gâą.oâą..,v. 58, p. 107-130...INTERMINER,4L INTRUSIONS ,4ND THEIR OF PORPHYRY COPPER ,4ND MOLYBDENUM ON THE DEPOSITS ORIGIN âą if...involvedthe meaningof and breccias from the Granisle Mine in centr British Columbia. These figuresserveto...obscurein many of the extensively studied porphyry copper deposits, especiallyin parts that havebeensubjectedto |  | | Journal (article/letter/editorial) | | minerals Article Porphyry Copper: Revisiting Mineral Resource Assessment Predictions for the Andes Jane...Abstract: A mineral resource assessment of porphyry copper deposits in the Andes Mountains of South America...study identified 590 million metric tons (Mt) of copper in identified resources. Continued exploration...undiscovered deposits could contain a mean of 750 Mt of copper. The actual number of deposits increased (2005...2020) from 69 to 120 and the amount of identified copper resources increased from 590 Mt to 1600 Mt. Although |  | | Book | | Rents Chapter3 BCLâs Selebi-Phikwe Nickel-Copper Mine in Botswana Early History of Bamangwato Concessions...Implications for the Future Chapter 4 SPCCâs Cuajone Copper Mine Historical Background Political Background Early...5 A Case Study of Freeport Indonesiaâs Ertsberg Mine Introduction Harly History Major Provisions of...Investment Committee St. Joe Mineralsâ El Indio Mine Status of Other Foreign Investment Mining Projects...and 1973 Modifications of the 1968 Agreement The Mine and Metallurgical Plant Financing of the Project |  | | Journal (issue) | | most attractive region for mine investment today, attracting 33% of global mine investment and 27% of expenditure...Flavia Seva (Argentina) · Pablo ChĂĄvez (Mexico) · Jorge Castillo (Canada) âą English Edition: Tom Azzopardi...Flavia Seva (Argentina) · Pablo ChĂĄvez (MĂ©xico) · Jorge Castillo (CanadĂĄ) âą VersiĂłn en inglĂ©s: Tom Azzopardi...conseguir que las cosas funcionen adecuadamenteâ, dice Jorge Neher, socio de la firma legal Norton Rose Fulbright...in order to get things to function well,â said Jorge Neher, partner at Norton Rose Fulbright. An important |  | | Journal (article/letter/editorial) | | COMMUNICATIONS LONGEVITY OF PORPHYRY COPPER FORMATION AT QUELLAVECO, PERU RICHARD H. SILLITOE,1,â AND JAMES...early Eocene Quellaveco porphyry copper-molybdenum deposit in southern Peru spans several phases of quartz...late-mineral porphyry body that postdates essentially all copper introduction. Together, the U-Pb ages of zircons...0.82 m.y.); and at least three-quarters of the copper inventory was deposited in a maximum of 3.12 m...of several other major central Andean porphyry copper deposits, in combination with other isotopic techniques |  | | Journal (issue) | | The South American country has a huge portfolio of mine projects waiting to be developed. However, it also...structural projects, the mine will produce an average of 200,000 metric tons of fine copper and 300 tons of silver...harvests first copper cathodes 19 Latin News 23 Cesco Week 2013, the summit for copper mining 27 PDAC...PDAC 2013 breaks records 33 Copper, fundamental to the development of Argentina 37 Cobre Panama progresses...Capstone: Adapting to Changing Circumstances 47 Copper in Peru: investments and mineral potential 51 President |  | | Journal (article/letter/editorial) | | Ventures in Peru ALBERTOBENAVIDESQ. Cia. de Minas Buenaventura S.A., Carlos Villaran 790, Lima 13, Peru Abstract...significantexplorationand mining developmentsin Peru in this century occurredbetween were madeby a numberof...mineralresourceswaslikely withinthe nextdecade, mining in Peru began a period of growth. Eulogio set off an intensesearchfor...Corporation,for exploitationof the polymepenedin Peru before 1940. Figure i showsthe lo- tallic ores of...Mining before 1940 During Colonial times (1535-1821) Peru was an importantproducerof goldandsilver.The goldcame |  | | Journal (article/letter/editorial) | | ALLEN V. HEYL THOMAS E. MULLENS general outline the mine workings in the two areas alsoare similar. (CompareFig...S. E., 1971, Bedded-ore structures,JeffersonCity Mine, JeffersonCity, Tennessee: EcoN. GEOmGŸ, V. 66,...Publication authorized by the Director, U.S. OF COPPER-BEARING BRECCIA Geological PIPES In their ...but most have cores of the world, for example, Copper Basin, Arizona quartz; some have been mined for...some for (Anderson, Scholz, and Strobell, 1955); Copper cassiterite. Vugs are absent from the tin-bearing |  | | Journal (article/letter/editorial) | | geology suggestthat it is exemplary of the porphyry copper depositgroup. To test that idea and to evolve three-dimensional...the table indicatesthat the "typical" porphyry copper deposit is eraplaced in late Cretaceous sediments...data from 27 A porphyrydepositis here definedas a copper major porphyrycopperand molybdenum depositsin and/or...produceporphyritic-aphanitic crystallizedrocks. Volatiles phyry copper depositscontain at least traces of texturesin subsequently... Genetic Models of Porphyry Deposits porphyry copper melt was unsaturatedwith water at one to three |  | Cunningham, Charles G., Zappettini, Eduardo O., Vivallo S., Waldo, Celada, Carlos Mario, Quispe, Jorge, Singer, Donald A., Briskey, Joseph A., Sutphin, David M., Gajardo M., Mariano, Diaz, Alejandro, Portigliati, Carlos, Berger, Vladimir I., Carrasco, Rodrigo, Schulz, Klaus J. (2008) Quantitative Mineral Resource Assessment of Copper, Molybdenum, Gold, and Silver in Undiscovered Porphyry Copper Deposits in the Andes Mountains of South America. Open-File Report 2008-1253. US Geological Survey doi:10.3133/ofr20081253 | Report (issue) | | Colombia, Peru, and the United States Quantitative Mineral Resource Assessment of Copper, Molybdenum...Molybdenum, Gold, and Silver in Undiscovered Porphyry Copper Deposits in the Andes Mountains of South America...E.O., Vivallo S., Waldo, Celada, C.M., Quispe, Jorge, Singer, D.A., Briskey, J.A, Sutphin, D.M., Gajardo...resource assessment of copper, molybdenum, gold, and silver in undiscovered porphyry copper deposits in the...Resource Assessment of Copper, Molybdenum, Gold, and Silver in Undiscovered Porphyry Copper Deposits in the |  | | Journal (article/letter/editorial) | | Andes accounted for the mine production of around 39% of the worldâs copper, 23% of its silver, 20% of...Central Andes, it has been recognized that porphyry copper deposits occur mainly in accretionary orogens formed...richest porphyry copper deposits occur in the central segment, with smaller copper endowments in the...setting that coincides with the richest porphyry copper provinces worldwide (Sillitoe 2012 and references...been key to the formation of the richest porphyry copper arc segment on Earth. In this compressional environment |  | | Journal (article/letter/editorial) | | hydrothermal pebble dikes, and probably most porphyry copper depositscome under the heading of co-hydrothermal...the porphyrycopperdepositsof the Basin and Range Province,lead-zincdepositsin Yugoslavia,the Oruro silver-tin..."breccia". In describing the intrusivet2reccias at Toquepala,Peru, Richardand Courtright(44, p. 264) state:"restrictthe...conduits." Regarding the pebble-brecciabody at Toquepala, Richard and Court- right (44, p. 265) say: "It...metallizationsuggests a commonorigin." At the Plutus Mine in Tintic (15, p. 362) pebbledikes and bodiesof |  | | Journal (issue) | | proyectos en cobre, oro y plata: El gran salto de PerĂș Copper, gold and silver new projects: Peru's great leap... summary Copper, gold and silver new projects: Peruâs great leap forward The portfolio of mine projects...Pampa Camarones in Chile, Sun-powered mining The copper project, whose main shareholder is Samsung C&T...Inmaculada 18 Latin News 27 Jorge LeĂłn, of Digamma Group: âExpomina Peru 2014 expects to formalize trade...Minera is a springboard for southern countriesâ 35 Mine Supervisors Union in Argentina, the voice of the |  | | Journal (issue) | | proyectos en cobre, oro y plata: El gran salto de PerĂș Copper, gold and silver new projects: Peru's great leap... summary Copper, gold and silver new projects: Peruâs great leap forward The portfolio of mine projects...Pampa Camarones in Chile, Sun-powered mining The copper project, whose main shareholder is Samsung C&T...Inmaculada 18 Latin News 27 Jorge LeĂłn, of Digamma Group: âExpomina Peru 2014 expects to formalize trade...Minera is a springboard for southern countriesâ 35 Mine Supervisors Union in Argentina, the voice of the |
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