 | 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 |  | 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...Avenida Alfonso Ugarte 304, Casilla 299, Arequipa, Peru Abstract The contiguous Cerro Verde and Santa Rosa...laser-induced incremental-heating 40Ar-39Ar sericite (muscovite-2M1) dates of 61.8 ± 0.7 (2Ï) and 62.0 ± 1.1 Ma...American plate boundary for at least 800 km in southern Peru and northern Chile (Fig. 1a). Centered at latitude |  | | 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 |  | | Journal (article/letter/editorial) | | Oligocene-Miocene Crucero Supergroup of the southern Peru Inner Arc domain provide a previously unavailable...the magmatic and hydrothermal activity of the Toquepala superunit of the Coastal Batholith. Collision...zone separating the sites of anatexis in southern Peru and northern Bolivia. This is inferred to represent...subdivisions of the Andean orogenic belt in southern Peru and contiguous northern Bolivia. The approximate...westerly of these constitutes the 6000- to 8000-m-deep Peru-Chile trench and the forearc slope (Llanuras Costaneras) |  | | Book | | Andes W. S. Pitcher 152 The Coastal Batholith of Peru MP. Atherton 168 Lead isotope systematics in...batholithic rocks of the Western and Coastal Cordilleras, Peru S.B. Mukasa and G.R. Tilton 180 Geochemical characteristics...evolution of the Cordillera Oriental, southeastern Peru D.J Kontak, A.M. Clark and E. Farrar 203 Geochemical...(Northern Volcanic Zone, NVZ: ea. 5°N-2°S), south Peru-north Chile (Central Volcanic Zone, CVZ: ea. 16-28°S)...the Andes may be divided into five segments. In Peru (ea. 2-15°S) and central Chile (ea. 27-33°S), the |  | | Journal (issue) | | copper has arrived at the Portuguese west African province of Angola since exports were suspended. As relations...1-10-64 lump ore (68Âœ%) _ _ _ _ _ _$10.40 run of mine (64%) $8.00 pebble ore (64%) $9.15 fines (64%) $6...US ports: (c) f.o.b. shippin& point: (d) f.o.b. mine or mill: (e) frei&ht equalized to nearest main producer:...reserve covering about 2,500 sq mi in the northern province of Santa Ana and portions of Chalatenango, Cabanas...resupply the stockpile through governmentaided new mine developments have been received. OEP, which must |  | | Report (issue) | | typically contain sericite, which is composed of muscovite that has a strong 2.20-ÎŒm absorption feature....ratios and methods, but different band thresholds, muscovite-rich, phyllic-altered rocks have also been regionally...2003). Alunite, kaolinite, pyrophyllite, and muscovite were mapped at the Red Mountain and Sunnyside...oxide minerals are quartz, K-feldspar, biotite, muscovite (sericite), magnetite, chlorite, anhydrite, and...alteration minerals are K-feldspar, biotite, muscovite (sericite), albite, anhydrite, chlorite, calcite |  | | Journal (article/letter/editorial) | | Geological and Hydrothermal Processes, Northern Peru a b Andrew W. Macfarlane , Rosa-Maria Prol-Ledesma...Geological and Hydrothermal Processes, Northern Peru, International Geology Review, 36:7, 645-677, DOI:...Geological and Hydrothermal Processes, Northern Peru A N D R E W W. MACFARLANE, Department of Geology...Mineralization in the Hualgayoc district of northern Peru occurs in altered Miocene felsic intrusions and...BRAZIL "* \Trujillo J V I \ " v // \ SLima PERU > PACIFIC OCEANV Scale (kms) 0 200 400 ; ^-^-s |  | Lehmann, B., Dietrich, A., Heinhorst, J., MĂ©trich, N., Mosbah, M., Palacios, C., Schneider, H. -J., Wallianos, A., Webster, J., Winkelmann, L. (2000) Boron in the Bolivian tin belt. Mineralium Deposita, 35 (2) 223-232 doi:10.1007/s001260050017 | Journal (article/letter/editorial) | | magmatic-hydrothermal systems of the Bolivian tin province. The average boron content in melt inclusions...the Andean tin belt of Bolivia and southernmost Peru. Both metal provinces represent short episodes of...central Andes The Andean tin belt of Bolivia, SE Peru and northernmost Argentina (Fig. 1), usually known...very strong quartztourmaline alteration (quartz-muscovite-tourmaline-cassiterite greisen, and pelitic rock...world's single largest tin mine (Amlot 1998), is the San Rafael mine in SE Peru which works a vein system |  | | Journal (article/letter/editorial) | | batholith in Nevada, and associated with the Yerington mine and the AnnMason deposit, provide a basis of comparison...calcic alteration, and relatively coarse grained muscovite-quartz (greisen). Quartz veins and potassic alteration...Laramide, mid-Mesozoic) Limit of Basin and Range Province copper deposits post-Laramide cover Laramide...America, showing the limit of the Basin and Range province, the schematic representation of domains that... 1984; Dilles et al., 2000). Both the Yerington mine and Ann-Mason deposits are exposed continuously |  | | Journal (article/letter/editorial) | | Susceptibility of the Mesozoic-Cenozoic Batholiths in Peru Shunso ISHIHARA, Morio HASHIMOTO* and Minoru MACHIDA**...Abstract: Plutonic rocks of the Coastal Batholith of Peru were evaluated in terms of the granitoid-series...MINDECO Sucursal del Peru, Av. Republica de Panama 3531, Piso 15, San Isidro, Lima, Peru **Mitsui Mining &...Panama 3531, Piso 15, San Isidro, Lima, Peru Keywords: Coastal Peru, Mesozoic-Cenozoic, magnetite series...segments: Piura, Trujillo, Lima, Arequipa and Toquepala by Cobbing et al. (1981) (Fig. 1). The magnetite/ilmenite-series |  | | Journal (article/letter/editorial) | | .................................. 165 165 Muscovite ................................................alteration products are green biotite, chlorite, muscovite,sericite, hydromica,kaolinite, and other clay...(Mexico), Leadville, Miami, Quellaveco and Toquepala,(Peru), Ray, San Manuel, and Santa Rita. A few sections...paleolive-brownor reddish-brown pleochroism. Muscovite.--In discussing the alterationof biotitethe problemof...follows: "sericiteis a fine scalyor fibrouskind of muscovite. The name is usuallyconfinedto whitemicathat is |  | | Book | | Potteriics, Chile . 4 Âą Section Through Arequipa, Peru 5 Âą Section Through Potrerillos, Chile . ; 6...Rego Chile : 7 Âą Michiquillay Regional Geology (Peru) . 8 © Structure at Chuquicamata, Chile . 9 Âą Surface...Morococha, Peru, including Toro Mocho Area . 13 © Structural Outline of Toquepala, Peru . â 14 Âą...Âą Detailed Surface Geologic Map of Toquepala . 15 16 17 18 19 Âą © Âą Âą Âą Index Map (Appalachian Orogen)...Plutonic Belt, ies 27 @ Geology of the Kobuk-Koyukuk Province (Alaska). 28 © Interior Belt (Alaska). 3 ; , |  | | Journal (article/letter/editorial) | | BRECCIA PIPE I Diamond drill hole. DACITEPORPHYRY Mine workings. QUARTZDIORITE Location of sections ...collected on a 40meter interval along all of the mine workings and diamond drill holes shown in this figure...volcanicsequence(Table 2), the intrusive rocks anddioritesat Toquepala,Peru (Richardand Court- showonly a slightdecrease...245 261 267 258 174: Sr ppm 475 445 475 This mine is locatedon a steep northwest-facing slopeat an...overliesoxide and rock type occursonly within the mine area and is supergeneenrichedzonesof variable thickness |  | | Journal (article/letter/editorial) | | porphyry systems in the Cajamarca district, northern Peru Received: 29 September 2004 / Accepted: 29 August...in the auriferous Cajamarca district of northern Peru. The El Galeno deposit (486 Mt at 0.57% Cu, 0.14...spatially and temporally related to weak quartzâmuscovite (phyllic) alteration. High Au grades are associated...well-developed phyllic alteration zone. Keywords Northern Peru Ă Copper Ă Gold Ă Miocene Ă Porphyry Introduction...The Cajamarca mining region, located in northern Peru, has one of the largest gold inventories in South |  | | Journal (article/letter/editorial) | | the Giant, Bonanza San Rafael Lode Tin Deposit, Peru: Origin and Significance of Pervasive Alteration...Carabaya, northern Puno Department, southeastern Peru, yielded 38,182 t of fine tin in 2001 and, with...alkali feldspar and plagioclase to fine-grained muscovite, but there is no significant dispersed cassiterite...lode tin deposit, i.e., San Rafael, southeastern Peru, by far the most important single hard-rock source...during the past decade. Minsur S.A.âs underground mine yielded 37,409 and 38,182 tonnes of fine tin-in-concentrate |  | | Journal (article/letter/editorial) | | deposits and prospects in northern Chile and southern Peru cited in the text. The easterly upper Eocene to...and contiguous northwest Argentina and southern Peru (Fig. 1), exhibit hypogene Cu grades of at least...which dominate the Pacific piedmont in southern Peru and northern Chile, were generated rapidly under...multistage enrichment profile of the Toquepala porphyry deposit, southern Peru (Anderson, 1982; Clark et al....with the erosion surfaces in the wider Atacama province (e.g., Clark et al., 1990a). Subsequently, in |  | Allen, Charlotte M., Bryan, Scott E., Campbell, Ian H., Holcombe, Rodney J., Harris, Anthony C., Palin, J. Michael (2004) ELA-ICP-MS U?Pb zircon geochronology of regional volcanism hosting the Bajo de la Alumbrera Cu?Au deposit: implications for porphyry-related mineralization. Mineralium Deposita, 39 (1) 46-67 doi:10.1007/s00126-003-0381-0 | Journal (article/letter/editorial) | | occur to the southwest of the Bajo de la Alumbrera mine and along the western foothills of Sierra Durazno...indurated and baked. Close to the Bajo de la Alumbrera mine there are thick (<75 m) hornblende (±clinopyroxene)-phyric...in the southern wall of the Bajo de la Alumbrera mine, where vesiculated coherent basaltic andesite is...altered core, outwards through phyllic (quartzâmuscoviteâillite ± pyrite), intermediate argillic (chloriteâillite)...occurrence is centered on pervasive phyllic (muscoviteâillite) and argillic (kaolinite) alteration. The |  | | Journal (article/letter/editorial) | | the Silver Plume Granite, a Proterozoic biotite-muscovite granite. The Urad orebody is cut off by a cylindrical...this paper, compositions of topaz and sericite-muscovite are used in conjunction with geologic reconstructions...bottom and labels at bottom show bends in section, mine coordinates, and location of the 480 H cross section...Topaz Wolframite Brown biotite Green biotite Muscovite Sericite Clay Garnet Sphalerite Galena Chalcopyrite...Topaz Wolframite Brown biotite Green biotite Muscovite Sericite Clay Garnet Sphalerite Galena Chalcopyrite |  | | Journal (article/letter/editorial) | | rocks containing hydrous minerals, especially muscovite (Clemens and Mawer, 1992; Vigneresse et al., 1996;...Guanaco CH IB AR CA Taltal CU 26°S LA M Peruâ El Salvador JĂ Potrerillos FarallĂłn Negro La...episodes from 22â17 Ma, 16â8 Ma, 7â0 Ma 75â59 Toquepala volcanics 15â7 Ma Teniente volcanic complex;...magmatic belts, defined by intersecting fault sets Toquepala PCD located at intersection of major NW-SE Incapuquio...Incapuquio fault system and NNE-trending faults of the Toquepala lineament Orogen-parallel alignment of intrusions |  | Pichavant, Michel, Kontak, Daniel J., Briqueu, Louis, Herrera, Jacinto Valencia, Clark, Alan H. (1988) The Miocene-Pliocene Macusani Volcanics, SE Peru. Contributions to Mineralogy and Petrology, 100 (3) 325-338 doi:10.1007/bf00379742 | Journal (article/letter/editorial) | | 1988 The Miocene-Piiocene Macusani Volcanics, SE Peru II. Geochemistry and origin of a felsic peraluminous...1470, Lima 13, Peru Abstract. The Miocene-Pliocene Macusani ash-flow tufts from SE Peru, containing magmatic...magmatic andalusite and muscovite, have homogeneous major element compositions, with a narrow range of...resulted essentially from fluid-absent melting of F-muscovite combined with incipient biotite dehydration. Fluid-absent...Fluid-absent melting o f F-rich muscovite occurs at higher temperatures than for * Present address: Nova |  | Perello, J., Carlotto, V., Zarate, A., Ramos, P., Posso, H., Neyra, C., Caballero, A., Fuster, N., Muhr, R. (2003) Porphyry-Style Alteration and Mineralization of the Middle Eocene to Early Oligocene Andahuaylas-Yauri Belt, Cuzco Region, Peru. Economic Geology, 98 (8) 1575-1605 doi:10.2113/gsecongeo.98.8.1575 | Journal (article/letter/editorial) | | Oligocene Andahuaylas-Yauri Belt, Cuzco Region, Peru JOSĂ PERELLĂ,â Antofagasta Minerals S.A. Ahumada...belt of southeastern Peru is rapidly emerging as an important porphyry copper province. Field work by the...deflection. Similarly, evidence from southeastern Peru suggests that the Andahuaylas-Yauri belt may be...the process of subduction flattening in southern Peru also may have taken place in northern Chile between...an area of approximately 25,000 km2 in southern Peru and extends for about 300 km between the localities |  | | Journal (article/letter/editorial) | | Guinaoang (Mankayan dist.) Reko Diq Cotabambas Toquepala & Cuajone Los Pelambres Los BroncesRĂo Blanco...(Sillitoe, 2005, and references therein). 72° 68° PERU 18° ARICA BOLIVIA Collahuasi Chuquicamata El...northern Chile-southern Peru, southwestern North America) or Au (northern Peru; Sillitoe, 2008). Notwithstanding...the latest Cretaceous to Paleocene (Laramide) province of southwestern North America, middle Eocene to...m.y. at Cerro de Pasco and Colquijirca, central Peru (BendezĂș et al., 2008; Baumgartner et al., 2009) |  | | Journal (article/letter/editorial) | | Ta/Hf-Verh~ilmisse. Abstract The Cordillera Blanca Batholith, Peru is emplaced axially over the thickened crustal keel...Porphyries and aplites are common plus rare garnet, muscovite pegmatites and quartz tourmaline veins associated...conclude the different magmas Fig. 1. Map of north west Peru, showing the relation of the Cordillera Blanca Batholith...I tr tr tr Quartz K-Feldspar Hornblende Muscovite Opaque Chlorite Accessories 0.4 O.l 0.8 0.6...zircon, epidote with allanite cores and magnetite. Muscovite is a very minor phase, in the K-rich rocks, and |  | | 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 . . . . . . . . . . . . . . . . . . |
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