 | | Journal (article/letter/editorial) | | Cu-AuandAu-AgMineralization in the PotrerillosDistrict, Chile TIMOTHYM. MARSH, • AMT (USA), Inc., 7400 North Oracle...E1 Hueso epithermal golddeposit andhydrothermal sericite(40.25_+0.05Ma) fromgold-bearing quartzveinlets... 4øARfløAR GEOCHRONOLOGYOF CUAU& AUAGDEPOSITS,POTRERILLOS,CHILE 785 hypotheses: (1) the Cobreporphyry copperdeposit...igneous andhydrothermal minerals relatedto / .?-Potrerillos District copperand goldmineralization in sevendistinctintrusive...Location mapof thePotrerillos districtin northern Chile,show- hydrothermally alteredareasin thePotrerillos |  | | Journal (article/letter/editorial) | | mineralization in the Atacama segment of the South American Andes, northern Chile (26°15'-27°25'S) Received:...magmatism and the rich ore deposits of northern Chile have been the focus of numerous studies. Significant...feature of the geology of this part of northern Chile is the existence of n o r t h - south to north-east-...alteration and cama segment - Andes - northern Chile mineralization (Baker and Guilbert, 1987; Colley...metallogenic belts Introduction (Fig. 1): (1) along the Atacama Fault System; (2) along the Inca de Oro Belt; (3) |  | Cornejo, Paula, Tosdal, Richard M., Mpodozis, Constantino, Tomlinson, Andrew J., Rivera, Orlando, Fanning, C. Mark (1997) El Salvador, Chile Porphyry Copper Deposit Revisited: Geologic and Geochronologic Framework. International Geology Review, 39 (1) 22-54 doi:10.1080/00206819709465258 | Journal (article/letter/editorial) | | http://www.tandfonline.com/loi/tigr20 El Salvador, Chile Porphyry Copper Deposit Revisited: Geologic and...Mineria , Avenida Santa Maria, Santiago, 0104, Chile b U.S. Geological Survey , 345 Middlefield Road...Mineria , Avenida Santa Maria, Santiago, 0104, Chile d Australian National University , Canberra, Australia...Orlando Rivera & C. Mark Fanning (1997) El Salvador, Chile Porphyry Copper Deposit Revisited: Geologic and...& Son, Inc. All rights reserved. El Salvador, Chile Porphyry Copper Deposit Revisited: Geologic and |  | | Journal (article/letter/editorial) | | Processes in the El Indio-Pascua Au-Ag-Cu Belt, Chile and Argentina THOMAS BISSIG,* ALAN H. CLARK,† JAMES...the enormous erosion surfaces of the Atacama desert of northern Chile and southern Peru, are considered...on supergene processes in the Andes of northern Chile and southern Peru has long been recognized (e.g...Indio-Pascua gold-silver-copper belt which straddles the Chile-Argentina frontier along the tectonic and physiographic...formed the geochronologic 971 972 BISSIG ET AL. Chile Antofagasta PE R U -C Puna Tucumán La Coipa |  | | Journal (article/letter/editorial) | | Vol. 86, 1991, pp. 1187-1205 Gold Metallogeny of Chile RICHARD an Introduction H. SILLITOE 27 WestHill...sare locatedaboveand low sulfidation(adularia-sericite)epithermaland contactmetasomaticdepositsaroun...poorlymineralized. Paucityof golddepositsin the coastalzoneof Chile, concentration of highsulfidationand porphyry-typedepositsin...copper and silver enrichmentin northernand central Chile which took place during the Oligoceneand early Mioceneand...CHILEhasbeena modestgoldproducerfor the last central Chile (24o-37 ø S; Flores, 1942; Ruiz et al., fivecenturies |  | Gustafson, L. B., Orquera, W., McWilliams, M., Castro, M., Olivares, O., Rojas, G., Maluenda, J., Mendez, M. (2001) Multiple Centers of Mineralization in the Indio Muerto District, El Salvador, Chile. Economic Geology, 96 (2) 325-350 doi:10.2113/gsecongeo.96.2.325 | Journal (article/letter/editorial) | | Mineralization in the Indio Muerto District, El Salvador, Chile LEWIS B. GUSTAFSON,† 5320 Cross Creek Lane, Reno...89511 WALTER ORQUERA, CODELCO-Chile, Division Salvador, El Salvador, Chile MICHAEL MCWILLIAMS, Department...AND MARCELLO MENDEZ CODELCO-Chile, Division Salvador, El Salvador, Chile Abstract The porphyries that...cularite-gold mineralization shows decreasing sericite, pyrite, Cu, and Au contents downward. This strong...outward through chalcopyrite-pyrite to pyrite with sericite-chlorite and then chlorite-epidote-albite alteration |  | | Journal (article/letter/editorial) | | Cumberland, gilbertitc, 6o6. George and Charlotte mine, Tavistock, Devon, 'tavistockite', [ 23. Grassington... INDEX Drakewalls mine, Gunnislake, posnjakite, 740. Hingston Down Consols" mine, arthurite, 52o. Lee...(Espafia) Cabo Ortegal, Galicia, omphacite, 6L CarmeBta mine, Caceres, montcbrasite, 4t4. Santander, blende,...Kazakhstan, calcite, 929. Tetyukhinsky, Maritime Province, calcite, 929. INDEX 969 Azerbaidzhan Dashkesan...alunite, IZ8. Iran Sar Cheshmeh, Kerman province, cuprian sericite, 945. Israel Golani, basalt, 568. Pakistan |  | | Journal (article/letter/editorial) | | dredmetersof the 12 majorporphyrycopperdeposits in Chile was substantiated furtherby Alpersand Brimhall ...supergene alunitefromthe Eseondida porphyry copper province. Indeed,perhaps onlytwoof thesemajordepositsdeposit(Fig...thetimingof oxida1935;Bandy,1938;Jarrell,1944) and Potrerillos(March, tion at severalgolddeposits, includingbreeeia-hosted...Salvador(Gustafsonand Hunt, 1975) in northern Chile Chile,duringthe late Oligocene to earlyMioceneinterval...0361-0128/96/1809/164-1655.00 164 CHILEAN Cu PROVINCE: OXIDATION & ENRICHMENT in controlling anyagedifferences |  | Bissig, Thomas, Lee, James K. W., Clark, Alan H., Heather, Kevin B. (2001) The Cenozoic History of Volcanism and Hydrothermal Alteration in the Central Andean Flat-Slab Region: New 40Ar-39Ar Constraints from the El Indio–Pascua Au (-Ag, Cu) Belt, 29°20′–30°30′ S. International Geology Review, 43 (4) 312-340 doi:10.1080/00206810109465016 | Journal (article/letter/editorial) | | Canada b Barrick Chile Ltda. , Barrio Industrial Late 58, Alto Penuelas, Coquimbo, Chile Published online:...HEATHER Barrick Chile Ltda., Barrio Industrial Late 58, Alto Peñuelas, Coquimbo, Chile Abstract Ninety-three...from carefully documented outcrops or underground mine exposures on the Chilean and Argentinian flanks...29° and 30°30' S, north and south of the El Indio mine. Additional ore bodies, all of epithermal type,...information is largely from Martin et al. (1995) for Chile; no comprehensive regional map at an appropriate |  | Mote, T. I., Becker, T. A., Renne, P., Brimhall, G. H. (2001) Chronology of Exotic Mineralization at El Salvador, Chile, by 40Ar/39Ar Dating of Copper Wad and Supergene Alunite. Economic Geology, 96 (2) 351-366 doi:10.2113/gsecongeo.96.2.351 | Journal (article/letter/editorial) | | Chronology of Exotic Mineralization at El Salvador, Chile, by 40Ar/39Ar Dating of Copper Wad and Supergene...El Salvador porphyry copper deposit in northern Chile the majority of the exotic ore comprised a mixture...postcrystallization ground-water interaction in the hyperarid Atacama desert. The 40Ar/39Ar analytical results show that...to the known supergene ages throughout northern Chile. The dates indicate that supergene exotic mineralization...in the middle Miocene due to desiccation of the Atacama desert. A series of 10-cm-thick supergene alunite |  | | Journal (article/letter/editorial) | | Porphyry Cu Magmatism in the EscondidaArea, Northern Chile* JEREMY P.RICHARDS? Department of EarthandAtmospheric...ized centers in theEscondida regionof northern Chile;alldatesarereported with errors.At theChimborazo...z porphyry intrusion.At theZaldfvar porphyry Cu mine,zirconandbiotitehavebeenanalyzed froma similars...magmatism, generated in re- Reynolds al., 1997);Potrerillos,-36 Ma (Marshet al., 1997).Published sponse tosubduction...Zald/vardepositand least,from E1 Salvadorand Potrerillosin Chile (-27 ø S) to from Escondida single-crystal incremental-heating |  | | Journal (article/letter/editorial) | | (S. M.), see QAISER(M. A.), 735. Alaer6n mine, Copiap6, Chile, arsenolamprite, 732. Ala di Stura, Piemonte...distinction from montebrasite, 4r4. Amblygonite mine, Caceres, Spain, montebrasite, 414. Amelia County... d2o T, 489. Arsenolamprite, Chile, anal., X-ray, 732. Arthurite, Chile, 519; Cornwall, anal., 52o. Asahine...from Mull and Morvern, 934. Bala Durga Gourishankar mine, Tummalatalupur, Nellore, India, microcline perthite...Crystallization of anorthite, 78o. Bhavani Sankar mine, Tummalatalupur, Nellore, lndia, muscovite, I4O |  | Ossandon C., G., Freraut C., R., Gustafson, L. B., Lindsay, D. D., Zentilli, M. (2001) Geology of the Chuquicamata Mine: A Progress Report. Economic Geology, 96 (2) 249-270 doi:10.2113/gsecongeo.96.2.249 | Journal (article/letter/editorial) | | of the Chuquicamata Mine: A Progress Report GUILLERMO OSSANDÓN C., CODELCO-Chile, Gerencia Exploraciones...Santiago, Chile ROBERTO FRÉRAUT C., CODELCO-Chile, Superintendencia Geología, Chuquicamata, Chile LEWIS... DARRYL D. LINDSAY, SRK Consultores, Santiago, Chile AND MARCOS ZENTILLI Department of Earth Sciences...Canada B3H 3J5 Abstract Chuquicamata, in northern Chile, is the world’s greatest copper orebody. It was...pyritic main-stage veins with pervasive quartz-sericite. Veins of quartz-molybdenite, up to 5 m wide and |  | Barros, Kayo Santana, Vielmo, Vicente Schaeffer, Moreno, Belén Garrido, Riveros, Gabriel, Cifuentes, Gerardo, Bernardes, Andréa Moura (2022) Chemical Composition Data of the Main Stages of Copper Production from Sulfide Minerals in Chile: A Review to Assist Circular Economy Studies. Minerals, 12 (2) 250 doi:10.3390/min12020250 | Journal (article/letter/editorial) | | Stages of Copper Production from Sulfide Minerals in Chile: A Review to Assist Circular Economy Studies Kayo...Stages of Copper Production from Sulfide Minerals in Chile: A Review to Assist Circular Economy Studies. Minerals...Santiago de Chile, Avenida Libertador Bernardo O’Higgins 3363, Estación Central, Santiago 917022, Chile; gerardo...La Dehesa 1201, Lo Barnechea, Santiago 917021, Chile; griveros@transducto.com Correspondence: kayobarros...This study is focused on production sites from Chile since it is responsible for almost one-third of |  | | Journal (article/letter/editorial) | | (we would add the possible exception of the Naica Mine, if we take into account the small halite grains...halite crystals were or were not found in the Naica mine, the first confident report of halite and sylvite...Sierras Pampeanas (SPO) are outlined within Córdoba province; the Sierra Norte–Ambargasta batholith is in bold...study area. CB: Cerro Baritina aplite, PTR: Potrerillos pluton, PDLC: Puesto de los Caminos pluton, AV:...to 10 km2) of this type have been recognized: Potrerillos, Puesto de Los Caminos, Aguada Vieja, and other |  | Barra, Fernando, Alcota, Hugo, Rivera, Sergio, Valencia, Victor, Munizaga, Francisco, Maksaev, Victor (2013) Timing and formation of porphyry Cu–Mo mineralization in the Chuquicamata district, northern Chile: new constraints from the Toki cluster. Mineralium Deposita, 48 (5) 629-651 doi:10.1007/s00126-012-0452-1 | Journal (article/letter/editorial) | | mineralization in the Chuquicamata district, northern Chile: new constraints from the Toki cluster Fernando...the Chuquicamata–Radomiro Tomic mines in northern Chile. These prospects occur in an area of 5×6 km and...Departamento de Geología, Universidad de Chile, Santiago, Chile e-mail: fbarrapantoja@ing.uchile.cl F....Center of Excellence (CEGA), Universidad de Chile, Santiago, Chile H. Alcota : S. Rivera Exploraciones Mineras...Mineras Andinas S.A., Santiago, Chile V. Valencia School of Environment, Washington State University, Pullman |  | | Journal (article/letter/editorial) | | Earth. In 2017, the Central Andes accounted for the mine production of around 39% of the world’s copper,...Central Chile to southern Peru, whereas the youngest and easternmost extend from central Chile/Argentina...includes some of the world largest copper deposits (Chile is the world’s leading copper producer, with Peru...Paleocene-Early Oligocene porphyry copper belt (Chile). Figure 3 Typical stockwork in a porphyry deposit...“A–B” veins. Porphyry copper deposit of Atlántida (Chile). Photo width: 5 cm. Figure 2 A–B vein Panoramic |  | | Journal (article/letter/editorial) | | 1975 The PorphyryCopperDepositat E1 Salvador,Chile LEWIS B. GUSTAFSON AND JOHN P. HUNT Abstract The...No. 5 The PorphyryCopperDepositat E1 Salvador,Chile Fig. 1. Aerial view of Cerro Indio Muerto, lookingwest...closelyassociatedwith sericiteor sericite-chlorite, and pyrite-sericite-chlorite veining is clearly yo...propyliticassemblages. The major fringezoneof pyrite-sericite appears to bea relatively latefeaturesuperimposed...thesepyrite veinletsare principallysericiteor sericite-chlorite. Theseveinsoccupy a radial-concentric |  | Rice, C. M., Steele, G. B., Barfod, D. N., Boyce, A. J., Pringle, M. S. (2005) DURATION OF MAGMATIC, HYDROTHERMAL, AND SUPERGENE ACTIVITY AT CERRO RICO DE POTOSI, BOLIVIA. Economic Geology, 100 (8) 1647-1656 doi:10.2113/gsecongeo.100.8.1647 | Journal (article/letter/editorial) | | existing fission-track data and a hydrothermal sericite age, suggests that the world-class Ag deposit...typically, but not always, pervasively altered to sericite. The dome is unconformably overlain on the southwest...El Bosque Sur 130, Piso 7, Las Condes, Santiago, Chile. FIG. 1. Location of Cerro Rico within the central...flanks of the dome contains in the “25 de Mayo” mine working partially oxidized clasts of altered and...section of Cerro Rico, showing vein systems and mine levels sampled in this and previous studies. Line |  | | Journal (article/letter/editorial) | | the central part of the Bolivian tin belt. The sericite from vein selvedges and an altered host rock provides...times. Keywords: K-Ar, age, alunite, jarosite, sericite, sulfur isotope, Oruro, Bolivia mineralization...altered porphyry NG6 sericite 24.8 ± 0.44 San Pablo stock altered porphyry NG27 sericite 20.2 ± 0.35 quartz-latite...formerly known as Catavi, the largest tin-producing mine in Bolivia, numerous veins have developed in the...yield more than 20 g of pure material. Sericite, the term sericite is used here as refer to clay-sized dioctahedral |  | Lee, Robert G., Dilles, John H., Tosdal, Richard M., Wooden, Joseph L., Mazdab, Frank K. (2017) Magmatic Evolution of Granodiorite Intrusions at the El Salvador Porphyry Copper Deposit, Chile, Based on Trace Element Composition and U/Pb Age of Zircons. Economic Geology, 112 (2) 245-273 doi:10.2113/econgeo.112.2.245 | Journal (article/letter/editorial) | | Intrusions at the El Salvador Porphyry Copper Deposit, Chile, Based on Trace Element Composition and U/Pb Age...porphyry Cu (MoAu) ores in the El Salvador district, Chile. Zircons (n = 240) from 15 Eocene age diorite, granodiorite...1995) and the El Abra-Fortuna granodiorite complex, Chile (1–2 m.y., Dilles et al., 1997; Campbell et al....Chuquicamata, Chile (2–3 m.y., Reynolds et al., 1998; Ballard et al., 2001), the Potrerillos district, Chile (8...Indio Muerto (El Salvador) district of northern Chile is characterized by a series of late Eocene porphyry |  | | Journal (article/letter/editorial) | | of Northern Chile Preface FRANCISCO CAMUS † Codelco-Chile, Huérfanos 1270, Santiago, Chile AND JOHN H...University, Corvallis, Oregon 97331 Introduction Chile is known worldwide as the site of one of the largest...production of more than 50 Mt of fine copper. Currently, Chile annually produces about 4.6 Mt of fine copper that...exploration efforts in the Central Andes with emphasis in Chile. During the past 25 years, exploration expenditures...subject of research by numerous individuals in Chile and elsewhere. The support of mining companies has |  | | Journal (article/letter/editorial) | | Potassic (biotite-K-feldspar) and sericitic (quartz-sericite) alteration, the former generally overprinted...Cerro Colorado Spence Lomas Bayas ANTOFAGASTA Chile a 330000 325000 24°S 8110000 8107000 N 0 ...porphyry copper belt and its main deposits in northern Chile and southern Peru (adapted from Sillitoe and Perelló...previous K-Ar age of 54.1 ± 2.1 Ma for alteration sericite (Estrada, 1975) and, in general terms, with a...irrespective of Rosario Central Andean deposits Potrerillos Acknowledgments This report is an outgrowth |  | | Journal (article/letter/editorial) | | batholith in Nevada, and associated with the Yerington mine and the AnnMason deposit, provide a basis of comparison...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...00 940 ROOT ZONES OF PORPHYRY SYSTEMS Potrerillos, Chile (Olson, 1989), were dismembered in contractional... 1984; Dilles et al., 2000). Both the Yerington mine and Ann-Mason deposits are exposed continuously |  | Zimmerman, Aaron, Stein, Holly J., Morgan, John W., Markey, Richard J., Watanabe, Yasushi (2014) Re–Os geochronology of the El Salvador porphyry Cu–Mo deposit, Chile: Tracking analytical improvements in accuracy and precision over the past decade. Geochimica et Cosmochimica Acta, 131. 13-32 doi:10.1016/j.gca.2014.01.016 | Journal (article/letter/editorial) | | geochronology of the El Salvador porphyry Cu–Mo deposit, Chile: Tracking analytical improvements in accuracy and...minerals from the El Salvador porphyry Cu–Mo deposit, Chile, were dated by Re–Os geochronology to clarify the...El Salvador porphyry Cu–Mo deposit in northern Chile is one of the best studied porphyry deposits in...Sericitic alteration, characterized by abundant sericite, pyrite, and quartz overprints K-silicate and...Salvador, Chile: distribution of porphyry Cu–Mo deposits with mineralization age (Ma) in northern Chile (after |
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