 | 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) | | 351–366 Chronology of Exotic Mineralization at El Salvador, Chile, by 40Ar/39Ar Dating of Copper Wad and Supergene...copper deposit. At the El Salvador porphyry copper deposit in northern Chile the majority of the exotic...samples from exotic deposits within the El Salvador district were characterized and dated by 40Ar/39Ar...postcrystallization ground-water interaction in the hyperarid Atacama desert. The 40Ar/39Ar analytical results show that...40Ar/39Ar dating of exotic mineralization at El Salvador indicates that supergene and exotic mineralization |  | | Journal (article/letter/editorial) | | AucusT, 1975 The PorphyryCopperDepositat E1 Salvador,Chile LEWIS B. GUSTAFSON AND JOHN P. HUNT Abstract...copper deposit at E1 Salvador culminated volcanic activity in the Indio Muerto district. Host rocks for the...porphyry series. However, rhyolitic volcanismin the district was clearly more felsic than younger granodioritic...rutile857 No. 5 The PorphyryCopperDepositat E1 Salvador,Chile Fig. 1. Aerial view of Cerro Indio Muerto... Volcanic peaks of the high Cordillera,the Salar de Pedernales,and low hills underlain by folded Mesozoicsedimentsand |  | Mote, T. I., Brimhall, G. H., Tidy-Finch, E., Muller, G., Carrasco, P. (2001) Application of Mass-Balance Modeling of Sources, Pathways, and Sinks of Supergene Enrichment to Exploration and Discovery of the Quebrada Turquesa Exotic Copper Orebody, El Salvador District, Chile. Economic Geology, 96 (2) 367-386 doi:10.2113/gsecongeo.96.2.367 | Journal (article/letter/editorial) | | Quebrada Turquesa Exotic Copper Orebody, El Salvador District, Chile TIMOTHY I. MOTE, GEORGE H BRIMHALL,†...CARRASCO Codelco-Chile, Huerfanos 1270, Santiago Chile Abstract A computerized district-scale copper mass-balance...mass-balance analysis at the El Salvador porphyry copper deposit was completed, using all available assay...corridors leading to undiscovered exotic ores to extend mine life, and providing an estimate of the mass of copper...define volumes of the interrelated subsystems. A district geochemical model was created on the Vulcan three-dimensional |  | Kidder, J.A., Voinot, A., Leybourne, M.I., Layton-Matthews, D., Bowell, R.J. (2021) Using stable isotopes of Cu, Mo, S, and 87Sr/86Sr in hydrogeochemical mineral exploration as tracers of porphyry and exotic copper deposits. Applied Geochemistry, 128. 104935pp. doi:10.1016/j.apgeochem.2021.104935 | Journal (article/letter/editorial) | | Picaron Cu–Mo porphyry and exotic prospect (Atacama region, Chile) were analyzed for major and trace elements...elements Stable isotopes Non-traditional isotopes Chile Atacama 1. Introduction The Picaron Cu–Mo porphyry...100 km north-east of the El Salvador Cu–Mo porphyry and within the Atacama region’s hyper-arid desert...desert climate in northern Chile (Fig. 1). A notable characteristic is thick accumulations of post-mineralization...activities (2014–2019) in the wider Greater Victoria District (GVD) were undertaken by First Quantum Minerals |  | 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...about the 2,800-m elevation in the Atacama Desert of northern Chile, some 240 km northeast of Antofagasta |  | | Journal (article/letter/editorial) | | Tin-Polymetallic Mineralization in the Oruro Mining District, Central Bolivian Tin Belt Asahiko SUGAKI...tin-polymetallic ore deposits of the Oruro mining district in the central part of the Bolivian tin belt...that hypogene mineralization in the Oruro mining district took place during the early to middle Miocene:...in the northernmost tin belt. In the Oruro mining district, just south of the Arica Elbow Line, we carried...minerals from the Oruro mining district, the principal tin-producing district in Bolivia, and discuss |  | 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) | | of Mineralization in the Indio Muerto District, El Salvador, Chile LEWIS B. GUSTAFSON,† 5320 Cross Creek...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...that formed copper deposits in the Indio Muerto district include both 44 Ma rhyolitic subvolcanic intrusions...intruding host andesite at the northeast end of the district. Very weak Cu but much stronger Mo mineralization |  | | Report (chapter) | | volcanism: a review R. H. Sillitoe Department of Mining Geology, Royal School of Mines, Imperial College...Manto-type copper deposits are best known from Chile and southern Peru. They consist o f stratiform concentrations...plugs and pyroclastic beds at Cerro de Mercado, Mexico, and El Laco, Chile. The map netite magma separated...northwest it impinges on the Sonoran Basin and Range province and in the southeast, south of the Trans-Mexico...zinc and copper. According to an analysis of the district undertaken by Geyne and co-workers, 9 the volcanic |  | | Journal (article/letter/editorial) | | Zonation at the Surface over the El Salvador Porphyry Copper Deposit, Chile YASUSHI WATANABE† Institute for...alteration minerals exposed at the surface of the El Salvador porphyry copper deposit. A total of 276 samples...minerals from surface alteration assemblages at El Salvador that can be applied to generate clear exploration...assemblages at the surface over the El Salvador porphyry copper orebody, Chile (Fig. 1). Our goal is to better...veins. (2) The distribution of supergene glassy limonite, goethite, hematite and jarosite assemblages reflects |  | | Journal (article/letter/editorial) | | complete porphyry coppersystems. Examples from Chile, Argentina, and elsewhereare used to aid in the...al extensionsas great as 8 km. At Chuquicamata,Chile, a major high-anglefault may have cut the porphyry...porphyry systemis believedto be exposedat Los Loros, Chile. There a zone of molybdenum-rich and copper-poorpotassiumsilicate...erodedstratovolcanoes, as at Cerro Marquez in northern Chile. Such zones are interpreted as the columns of a...exemplifiedby the Los Pelambresdeposit(Fig. 2) in Chile (Sillitoe, 1973). Knowledgeof the characterand |  | | Journal (article/letter/editorial) | | Geologyof the Los PelambresPorphyryCopper Deposit, Chile RICHARD H. SILLITOE Abstract The Los ?elambresporphyry...locatedin the Andean Cordillera of CoquimboProvince, Chile, is related to an Upper Miocene tonalite stock which...except recentlyinvestigated Los Pelambres depositin Chile. for thefinal22 km whichare completed on muleback...Significant mineralization in thisimmediate region Juan Province,Argentina(United Nations,1970) of the Andesis... J..J J J)• SALAMANCA • •CERRO MERCEDARIO EL SALVADOR I 'OTR[ROS > -- / LOSANDES I ' FIG.1 |  | | Journal (article/letter/editorial) | | QuebradaBlancaand Collahuasi,Chile, and in the Future of U.S. Metal Mining* JOHN P. HUNT Hunt Exploration...recording certain practical cationsof geologyin mining and exploration.The megascopic featuressuchasf...Introduction nineteen hundredsin most of our western mining districts provided the broad geologic setting and...indispensableto detailed and specific applicationsfor mining and explorationin thesedistricts. Systematicand...Buttein 1900whenHoraceV. Winchell Bear Creek, Cerro de Pasco,St. Joe,andAnaconda, organizedthe firstresidentminegeological |  | | Journal (article/letter/editorial) | | of Diamonds is an abandoned diamond mine (the only diamond mine in the U. S.) that has been opened up...following the installation. The restrictions are de- item, on some minerals of Middlesex signed to conserve...Mrose, of the uncommon to the United States. The de- U.S. Geological Survey, recently con358 ROCKS AND...studies of the altered triplite from the local Swanson Mine showed that the little tabular crystals which I...come from a strip mine (coal) in Henry County, 111. "They are all from a strip mine, one of many that |  | Escolme, Angela, Cooke, David R., Hunt, Julie, Berry, Ron F., Maas, Roland, Creaser, Robert A. (2020) The Productora Cu-Au-Mo Deposit, Chile: A Mesozoic Magmatic-Hydrothermal Breccia Complex with Both Porphyry and Iron Oxide Cu-Au Affinities. Economic Geology, 115 (3). 543-580 doi:10.5382/econgeo.4718 | Journal (article/letter/editorial) | | pp. 543–580 The Productora Cu-Au-Mo Deposit, Chile: A Mesozoic Magmatic-Hydrothermal Breccia Complex...Creaser4 1ARC Research Hub for Transforming the Mining Value Chain (TMVC) and Centre for Ore Deposit and...breccia complex in the Coastal Cordillera of northern Chile. The current resource, which includes the neighboring...seen throughout the Coastal Cordillera of northern Chile. Introduction Iron-oxide copper gold (IOCG) deposits...In the Mesozoic Coastal Cordillera of northern Chile, IOCG, magnetite-apatite, and porphyry-Cu deposits |  | | Journal (article/letter/editorial) | | Plutonic Complex of the Coastal Cordillera, Northern Chile José Zambra1,*, Shoji Kojima1, Sergio Espinoza1...and 2Minera Tocopilla, Barros Arana, Tocopilla, Chile Abstract The Angélica copper deposit is situated...the Coastal Cordillera of the Tocopilla district, Northern Chile, and those are classified fundamentally...intruding into the formation. In the Tocopilla district there is a peculiar copper deposit named Angélica...exploitation since 1960 by ENAMI (National Mining Company of Chile). Because of recent exploitation of the |  | | Journal (article/letter/editorial) | | ServicioNacionalde Geologfay Minerfa,Casilla10465,Santiago,Chile Abstract Eightygalenasamples fromdifferentmineraldeposits...galenaspecimens from different ore depositsfrom 48 mining districtsin Chile are presentedhere (Fig. 1). The selected...I 76 ø 72 ø _ • . [00 I . I 200 km _ I . DE HORNOS FIG. 1. Locationmap of the Chilean Andesregion...lera Oriental of Bolivia. Radiometric data have de- attributed by someauthorsto variationsin P-T conditions...Jurassicto Pliocene 1973; Grant et al., 1979). Pb IN CHILE,AN GALENAS In more detailed studiesof metallogeniczonesin |  | | Book (volume) | | University with a B.Sc. Honours. He completed his PhD in Mining Geology in 1979 at Imperial College, London. His...contributions to economic geology. Stints with Palabora Mining Company, JCI and Anglovaal added to Ross’ southern...After moving to Australia in 】 979, Ross, as a District Manager with CRA Exploration, led the team that...existence o f a new unconformity-vein style uranium province in the Proterozoic of the Great Sandy Desert............................................ 65 T he El T eniente M egabreccia D eposit，th e W o rld ’s L |  | | Report (volume) | | ____________ ----- _______________ .._______ History of mining ____ --------- _________________________ -----__...Honduras-------------~----------------------------------- El Quetzal mine_______________________________________..._________ Siria mine ________________________ ------------- __ ----Los Hornitos mine ______ ;_______...mine____________________________________ La Uni6n mine ________________ -----------------------(}uatem...Tablas deposit_____________________________________ El Carrizal prospect ___ -------------------------- |  | Braxton, D. P., Cooke, D. R., Ignacio, A. M., Rye, R. O., Waters, P. J. (2009) Ultra-Deep Oxidation and Exotic Copper Formation at the Late Pliocene Boyongan and Bayugo Porphyry Copper-Gold Deposits, Surigao, Philippines: Geology, Mineralogy, Paleoaltimetry, and their Implications for Geologic, Physiographic, and Tectonic Controls. Economic Geology, 104 (3) 333-349 doi:10.2113/gsecongeo.104.3.333 | Journal (article/letter/editorial) | | intrusion-centered gold-rich deposits in the Surigao district of northeast Mindanao, Philippines. Exhumation...(Cl) Rosario (Cl) Morenci; NW extension (Az) El Salvador (Cl) Chuquicamata (Cl) Inspiration (Az) Toquepala...Toquepala (Pe) Cerro Colorado (Cl) Ok Tedi (PNG) El Abra (Cl) Mocoa (Co) Boyongan (Ph) La Escondida (Cl)...Locality abbreviations: Az = Arizona (USA), Cl = Chile, Co = Colombia, NM = New Mexico (USA), Pe = Peru...neo = neotocite (Cu-Mn oxides), pitch = pitch limonite (copper pitch), rx = roxbyite, ten = tenorite |  | | Journal (article/letter/editorial) | | Cristalografía y Mineralogía, Departamento de Ciencias de la Tierra, Universidad de Zaragoza, C/Pedro Cerbuna 12,...reflect vertical zoning: the lower level (La Estrella mine), contains tetrahedrite isotypic series minerals...sphalerite, whereas the upper level (Majadillas mine), shows an “epithermal association” composed by...gisement de Pardos, un système de veines de minéraux à Cu–Ag, est situé 185 km au sud-ouest de Zaragoza...(Castillienne) de la chaîne ibérique; il est développé dans un des massifs ou des enclaves éparses de roches |  | | Report (volume) | | -------5. Hydrothermal alteration at the Brewer mine, Chesterfield County, South Carolina ----------...from drill hole 8, 13.4-19.5 meters depth, Brewer mine area, South Carolina --------------------------... of hard rock with fresh pyrite from the Brewer mine area, South Carolina --------------------------...samples from U.S. Bureau of Mines drill holes, Brewer mine area, South Carolina --------------------------...~-------.r-' TENNESSEE NORTH CAROLINA Bradshaw mine and Mitchells Mt t \ rn ,:,EXPLANATION """ |  | | Report (issue) | | Figure 5.--Hydrothermal alteration at the Brewer mine, 21 Chesterfield County, South Carolina Figure 6...from drill hole 8, 13.4 — 19.5 meters depth, Brewer mine area, South Carolina Table 2a.--Seimquantitative...analyses from U.S. Bureau of Mines drill holes, Brewer mine area, South Carolina Table 3.--Analyses of hard...hard rock with fresh pyrite from the Brewer mine area, South Carolina Table 4.--Analyses of 12 soil samples...JoEs. x 80*i. NeS RHirE,DE POSIT x NILLSOOROuG. WS( MAJOR HILL ..SRAOSnaw MINE x "AND miTCHELLS 1-1 |  | 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) | | Ahumada 11, Oficina 602, Santiago, Chile VÍCTOR CARLOTTO, Departamento de Geología, Universidad Nacional...Nacional San Antonio Abad del Cuzco. Avenida de la Cultura, Cuzco, Perú ALBERTO ZÁRATE, PEDRO RAMOS, HÉCTOR...CABALLERO, Minera Anaconda Perú S.A. Avenida Paseo de la República 3245, Piso 3, San Isidro, Lima 27, Perú...Minerals S.A. Ahumada 11, Oficina 602, Santiago, Chile Abstract Originally known for its Fe-Cu skarn mineralization...rapidly emerging as an important porphyry copper province. Field work by the authors confirms that mineralization |  | | Journal (article/letter/editorial) | | Porphyry Gold Deposits of the Refugio District, Maricunga Belt, Northern Chile JOHN L. MUNTEAN†,* AND MARCO T...Abstract The porphyry gold deposits of the Refugio district and similar deposits in the Maricunga belt contain...the porphyry gold deposits of the Maricunga belt, Chile (Vila and Sillitoe, 1991). For this reason it is...prospects and deposits in the high Andes of northern Chile (Vila and Sillitoe, 1991; Fig. 1). Zones of hydrothermally...Quaternary alluvium and evaporites El Indio Belt (Miocene) Peru-Chile o Bajo de la Alumbrera (Late Miocene) |  | | Journal (article/letter/editorial) | | Cu-Mo-Au porphyry deposits in the Cobre Panama district, which currently has a global resource of 4.2...faulting and extension that deformed the Cobre Panama district shortly after ore formation at 29 to 28 Ma. Introduction...Botija deposit is located in the Cobre Panama district (previously known as Petaquilla project) approximately...Caribbean coast at 8°84' N and 80°65' W (Fig. 1). The district contains several porphyry copper deposits that...et al., 2015). MPSA is currently constructing a mine and has slated production to begin at the Botija |
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