 | | Journal (article/letter/editorial) | | oftheE1AbraPorphyry CopperDeposit, Chile JOZSEF A•IBRUS Abstract The E1 Abra porphyryCOl)per deposit,located42...Corporaci6nNacionaldel Cobrede Chile completedan evaluation programknownas the E1 Abra Project. In common withseveral...strongbiotization. The intrusivecomplex,calledthe E1 Abra diorite,is intrudedby severaldaciticneckswhichproduced...alterationstages,but it can be concludedthat E1 Abra primary mineralizationwas almost synchronicwith...chrysocolla. Alteration and mineralization at E1 Abra has been interpreted as a deep exposureof a porphyry |  | Correa, Karen J., Rabbia, Osvaldo M., Hernández, Laura B., Selby, David, Astengo, Marcelo (2016) The Timing of Magmatism and Ore Formation in the El Abra Porphyry Copper Deposit, Northern Chile: Implications for Long-Lived Multiple-Event Magmatic-Hydrothermal Porphyry Systems. Economic Geology, 111 (1) 1-28 doi:10.2113/econgeo.111.1.1 | Journal (article/letter/editorial) | | Magmatism and Ore Formation in the El Abra Porphyry Copper Deposit, Northern Chile: Implications for Long-Lived...Universidad de Concepción, Concepción CP 4030000, Chile 2 Instituto GEA, Casilla 160-C, Universidad de...de Concepción, Concepción CP 4030000, Chile 3 Department 4 Superintendencia of Earth Sciences, University...Geología, Sociedad Contractual Minera El Abra, Calama CP 1390000, Chile Abstract Zircon LA-ICP-MS and CA-TIMS...molybdenite Re-Os geochronology for the El Abra porphyry copper deposit (Chile) document a ~8.6 Ma protracted |  | Sapiains, Pía, Figueroa, Valentina, Hayashida, Frances, Salazar, Diego, Menzies, Andrew, González, Cristián, Loyola, Rodrigo, Murphy, Beau, González, Juan, Parcero-Oubiña, César, Troncoso, Andrés (2021) Supergene Copper and the Ancient Mining Landscapes of the Atacama Desert: Refining the Protocol for the Study of Archaeological Copper Minerals through the Case Study of Pukara de Turi. Minerals, 11 (12) 1402 doi:10.3390/min11121402 | Journal (article/letter/editorial) | | Geológicas, Universidad Católica del Norte, Antofagasta 1240000, Chile Instituto de Investigaciones Arqueológicas...Católica del Norte, San Pedro de Atacama 1410000, Chile; vfigueroa@ucn.cl Department of Anthropology, University...Departamento de Antropología, Universidad de Chile, Santiago 7800284, Chile; dsalazar@uchile.cl (D.S.); atroncos@uchile...de la Santísima Concepción, Concepción 4090541, Chile; jgonzal@ucsc.cl Instituto de Ciencias del Patrimonio...Correspondence: psg004@ucn.cl Abstract: Northern Chile is home to the world’s largest copper ore deposits |  | 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...potassic type with K-feldspar and hydrothermal biotite. Sericitic alteration is relatively restricted...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 |  | | Journal (article/letter/editorial) | | Plutonic Complex of the Coastal Cordillera, Northern Chile José Zambra1,*, Shoji Kojima1, Sergio Espinoza1...Catholic University, Antofagasta and 2Minera Tocopilla, Barros Arana, Tocopilla, Chile Abstract The Angélica...Cordillera of the Tocopilla district, Northern Chile, and those are classified fundamentally into the...since 1960 by ENAMI (National Mining Company of Chile). Because of recent exploitation of the deposit...del Norte, Av. Angamos 0610, Casilla 1280, Antofagasta, Chile. Email: skojima@ caliche.ucn.cl *Present |  | | Journal (article/letter/editorial) | | application to porphyry copper deposits of northern Chile Received: 22 October 2001 / Accepted: 25 July 2002...intrusions from the ChuquicamataEl Abra porphyry copper belt of northern Chile have been measured in situ by...study is based on the Los Picos-Fortuna/Pajonal-El Abra igneous complex, a suite of spatially and temporally...intrusions within the Chuquicamata-El Abra porphyry copper belt of northern Chile. The complex is cut by a major...strike-slip fault, the West Fault, with the Pajonal-El Abra intrusive suite 348 displaced ca. 35 km to the |  | | Journal (article/letter/editorial) | | in a Porphyry Cu System: the El Abra Porphyry Cu Deposit, Northern Chile Downloaded from http://petrology...undertaken on samples from the El Abra–Pajonal igneous complex, northern Chile, to investigate the magmatic...chalcophile elements and the formation of the El Abra porphyry Cu deposit. The PGE have extreme sulfide...magmatic processes governing the evolution of the El Abra–Pajonal suite. Plagioclase fractionation dominated...fractionating phase, leading to the formation of the El Abra porphyry intrusion and Cu deposit. Abundances of |  | Pizarro, H., Campos, E., Bouzari, F., Rousse, S., Bissig, T., Gregoire, M., Riquelme, R. (2020) Porphyry indicator zircons (PIZs): Application to exploration of porphyry copper deposits. Ore Geology Reviews, 126. 103771pp. doi:10.1016/j.oregeorev.2020.103771 | Journal (article/letter/editorial) | | Católica del Norte, Av. Angamos 0610, 7 Antofagasta, Chile. 8 2 GET, IRD-CNRS-CNES-UPS, 14 avenue...lower Oligocene metallogenic 32 belt of northern Chile, were determined in order to validate the use of...Eocene to Oligocene metallogeny belt, 48 Northern Chile, Porphyry Copper Deposit, non-mineralized intrusive...body. 49 50 1. Introduction 51 In northern Chile and southern Peru, porphyry copper deposits (PCDs)...indicative of high H2O, such as 64 hornblende and biotite (Rutherford and Devine, 1988; Richards et al., |  | | Journal (article/letter/editorial) | | rocks. Deuteric alteration includes replacement of biotite and amphibole by chlorite and epidote, sericitization...alteration. This also holds true for the sample from El Abra, the only pluton associated with mineralization...Cretaceous and Tertiary granitoids in northern Chile. Introduction Emplacement of hot magma into cool...cases, the O-isotopic compositions of feldspar and biotite are more aected by interaction with aqueous ¯uids...diusion. The hydrogen isotopic compositions of biotite and amphibole are even more sensitive towards interaction |  | | Journal (article/letter/editorial) | | central Chile; A.J. Wilson, writ. commun., 2009) and Mo (2.5 Mt: El Teniente, central Chile; Camus, 2003)...Toquepala & Cuajone Los Pelambres Los BroncesRío Blanco El Teniente Mamut Grasberg-Ertsberg Ok Tedi Cerro...Cerro Colorado Collahuasi dist. Bau Batu Hijau El Abra Cabang Kiri Chuquicamata dist. Koloula Frieda...Frieda River dist.(Nena) Wafi-Golpu Gaby El Salvador Potrerillos Marte & Caspiche Taca Taca Bajo Bajo...18° ARICA BOLIVIA Collahuasi Chuquicamata El Abra 22° A AL C M E ALT O Regional- and District-Scale |  | | Book (edition) | | Exploration Team—Target Generation QPX Chile Las Condes, Santiago Chile David I. Groves Department of Geology...new data and references from Argentina, Canada, Chile, China, Iran and the USA, including new maps and...Billiton in Perth, Singapore and Santiago, and QPX Chile in Santiago for encouraging the completion and revision...Zhiming Yang, Andi Zhang and Lin Zhang. Santiago, Chile Perth, Australia Daniel Müller David I. Groves.... . . . . . . . . . . . . . . . . . 4.1 Roman Province (Italy): Example from a Continental Arc Setting |  | | 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...circum-Pacific belt. Among them are the three largest of all, El Teniente, Río Blanco-Los Bronces, and Chuquicamata...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 |  | | Journal (article/letter/editorial) | | mining district (El Salvador-Potrerillos), then on the scale of a singletraverse(El Salvador-Chilean...may provefruitful, providedsuitabletechniquescan mine scale,but their applicabilityon a regionalscale...madeto do thisin other in central and northern Chile; (2) on the scaleof a porphyry belts, with mixed...(ore-forming) and nonproductiveintrusions,have province,the Chilean Andes.The techniquesdevelbeenshownby...whole-rockanalyses. THE Andes of central and northern Chile contain The most comprehensivestudy basedon other |  | | Journal (article/letter/editorial) | | the Escondida Porphyry Copper Deposit, Antofagasta Region, Chile RUBEN A. PADILLA GARZA,† BHP Minerals...501, Antofagasta, Chile Abstract The Escondida porphyry copper deposit, located in northern Chile, was...basement of the Precordillera de Domeyko province in northern Chile. We propose that the intrusive stock...vein-associated orthoclase-quartz ± anhydrite-biotite alteration that mark the end of stage one. This...the Escondida porphyry copper deposit in northern Chile (Fig. 1), which currently is one of the two largest |  | | Journal (article/letter/editorial) | | events in the Chuquicamata porphyry copper system, Chile Peter Reynolds ) , Casey Ravenhurst 1, Marcos Zentilli...there was very rapid cooling through feldspar and biotite closure temperatures, especially if these minerals...substantially higher than the ones normally assumed for biotite Ži.e. about 3008C., they andror the calculated...deposits of the Andes, New Developments’. Concepcion Chile, October 17–18, 1994. Proceedings 2, 1647–1651.x...Porphyry copper; Alteration; K-feldspar; Sericite; Biotite 1. Introduction ) Corresponding author. Tel |  | | Journal (article/letter/editorial) | | example, the Chuquicamata-El Abra porphyry copper belt in northern Chile (Ballard, Palin, & Campbell...formed (Defant Chuquicamata-El Abra porphyry copper belt, northern Chile. et al., 2002). However, recent...al., 2003; Grove, Till, & Krawczynski, 2012; province of southwestern North America, large deposits...Subduction and collision Pulang Xuejiping Lannitang Chile Radomiro Yulong Gangdese Shiyaogou Luobuling...quartz diorite porphyry Granodiorite porphyry Biotite monzogranite, porphyritic monzogranite, K-feldspar |  | | Journal (article/letter/editorial) | | of mineral deposits. Sixteen mining districts in Chile, and 24 in Argentina, were attributed to the seismically...zones roughly parallel to the axis of the Peru-Chile trench (Carachas-Portillo, Choquelimpie, Iquique...fracture zones roughly perpendicular to the trench (El Salvador, Maricunga, Jaroma, Ujina, Tumbaya and Incahuasi-LeoÂn...Ulriksen (1990) for the northern and central part of Chile and from Mapa Minero (1966) for the northwestern...information was obtained from Mapa GeoloÂgico de Chile (1982) and Mapa GeoloÂgico de la RepuÂblica Argentina |  | | Book | | label: Aerial view of the Bingham Canyon copper mine, Kennecott Utah Copper, September 2003. Photo courtesy...and CopperGold Deposits at Los Pelambres, Central Chile José Perelló, Richard H. Sillitoe, Constantino...of the Río Blanco-Los Bronces District, Central Chile: Development of World’s Greatest Known Concentration...Northern Chile Geologic Overview of the Escondida Porphyry Copper District, Northern Chile Geology of...N. Moreto, André Luiz Silva Pestilho, Mineral Province, Brazil Gustavo Henrique Coelho de Melo, Marco |  | 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...replacement of plagioclase, and more widespread biotite replacement of hornblende, with igneous texture |  | | Journal (article/letter/editorial) | | Geologic Evolution of the Escondida Area, Northern Chile: A Model for Spatial and Temporal Localization of...and Chimborazo (Cordillera de Domeyko, northern Chile). The purpose of this study was to examine the regional...throughout much of the porphyry belt of northern Chile. Geochemically, they are I-type in character, but...giant porphyry deposits. Introduction NORTHERN CHILE is the world’s premier porphyry copper district...1-35 $6.00 Chuquicamata, Spence, Escondida, and El Salvador, as well as many smaller and subeconomic |  | 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) | | Granodiorite Intrusions at the El Salvador Porphyry Copper Deposit, Chile, Based on Trace Element Composition...magmatic-hydrothermal porphyry Cu (MoAu) ores in the El Salvador district, Chile. Zircons (n = 240) from 15 Eocene age...Turquoise Gulch were the most strongly oxidized of the El Salvador magmas. The strongly oxidized trend porphyry...and Proffett, 1995) and the El Abra-Fortuna granodiorite complex, Chile (1–2 m.y., Dilles et al., 1997;...Chuquicamata, Chile (2–3 m.y., Reynolds et al., 1998; Ballard et al., 2001), the Potrerillos district, Chile (8 |  | | Journal (article/letter/editorial) | | rocks along an east-west traverse across North Chile at 22 o S. e sr ranges from - 2 5 to + 100 and e...that previous discussions of petrogenesis in North Chile have been hampered because the changes in magma...argued that < 20% of the Sr in the recent northern Chile rocks is derived from the subducted ocean crust...southern Peru and northern Chile (central volcanic zone, CVZ), and southern Chile (SVZ) [9,10]. The CVZ is...Limon Verde pluton at 266 _+ 42 Ma 70 ° "0 ~;o Loa . I '~ • ~" I ~ c~a ~Im • ~ ~ : I_ | oo;0 |  | | Journal (article/letter/editorial) | | in the oxide zone of copper deposits in northern Chile: involvement of deep formation waters? Eion M. Cameron...deposits in northern Chile, whereas in similar deposits elsewhere, it is rare. In Chile, it has generally...Supergene enrichment of copper deposits in northern Chile extended over a long period, 44 to 9 Ma, being terminated...Keywords Atacamite . Copper deposits . Northern Chile Editorial handling: B. Lehmann E. M. Cameron (*)...Department of Geology, Universidad de Chile, P.O. Box 13518-21, Santiago, Chile e-mail: cpalacio@ing.uchile.cl |  | | Journal (article/letter/editorial) | | StructuralSalient Salient E Basin and Range Structural Province Ba CG Lowland Ck Volc W H 107° t Uplif...southwestern Montana in the Basin and Range structural province where normal and a few detachment faults of Cenozoic...Paleocurrent indicator DH-8 Deep drill hole Productive mine shaft Main Stage veins Fig. 3. Geologic map of...stage veins and quartz porphyry dikes.Productive mine shaft abbreviations: A = Anaconda, An = Anselmo...Rock, C = Corra, Co = Colorado, EC = East Colusa, El = Elmorlu, Em = Emma, G = Gray Rock, GF = Goldflint |  | | Journal (article/letter/editorial) | | the Zaldívar porphyry copper deposit, Northern Chile Eduardo Campos & Jan Wijbrans & Paul A. M. Andriessen...the Zaldívar porphyry copper deposit (Northern Chile) by applying a combination of different isotopic...Católica del Norte, Avenida Angamos 0610, Antofagasta, Chile e-mail: edcampos@ucn.cl J. Wijbrans : P....defined by zircon U–Pb ages) to below 300±50°C (biotite 40Ar/39Ar closure temperature) within approximately...Atacama Desert of Northern Chile, approximately 175 km SE of Antofagasta city (Fig. 1). The current proven |
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