 | | Journal (article/letter/editorial) | | SupergeneMetal Enrichmentat La Escondida, Atacama Desert, Northern Chile CHARLES 1âą. ALPERS* AND GEORGE...leachedcappingof the porphyrycopperdeposit at La Escondida,Chile, permitsreconstruction of the paleohydrologic...gradesin surfaceexposuresand tops of drill holesat La Escondidaare significantlylower than actual copper...verticalprofilesindicatethat water table descentat La Escondidawasrelatively continuousin space,althoughnot...conclusions froma previousstudyof coppermassbalanceat La Escondida(Brimhall et al., 1985) which showedthat lateral |  | | Journal (article/letter/editorial) | | this type at the porphyrycopperdepositat La Escondida,Chile, indicatesdeeperoxidationandleachingeffectsthan...of leachedcappinghasoccurredthroughoutmuch of the La Escondidadistrict. Geologic domainsdefinedby computedvaluesof...present metal distributionin the supergenesystemat La Escondida. Introduction present understandingof surficial...cm2. Since we are conButte, Montana, and La Escondida, Chile. These cerned with the principle of conservationof...consider the monzonite wall rock. In contrast, La Escondida, a concentrationof that element in each weathering |  | | 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 JosĂ© PerellĂł, Richard H. Sillitoe, Constantino...of the RĂo Blanco-Los Bronces District, Central Chile: Development of Worldâs Greatest Known Concentration...Northern Chile Geologic Overview of the Escondida Porphyry Copper District, Northern Chile Geology of...N. Moreto, AndrĂ© Luiz Silva Pestilho, Mineral Province, Brazil Gustavo Henrique Coelho de Melo, Marco |  | Reich, Martin, Barnes, Jaime D., Breecker, Daniel O., Barra, Fernando, Milojevic, Catalina, Drew, Dana L. (2019) Chlorine isotope fractionation recorded in atacamite during supergene copper oxidation. Chemical Geology, 525. 168-176 doi:10.1016/j.chemgeo.2019.07.023 | Journal (article/letter/editorial) | | FCFM, Universidad 2 US de Chile, Plaza Ercilla 803, Santiago, Chile Millennium Nucleus for Metal...Tracing Along Subduction, FCFM, Universidad de Chile, Santiago, â Department of Geological Sciences...University of Texas, Austin, TX 78712, USA M 3 AN Chile. now at Nuclear and Chemical Sciences Division... ACCEPTED MANUSCRIPT In the Atacama Desert of northern Chile, large amounts of the copper hydroxy-chloride mineral...of Cu deposits in the Atacama Desert of northern Chile, whereas in similar deposits elsewhere, it is rare |  | | Book (volume) | | existence o f a new unconformity-vein style uranium province in the Proterozoic of the Great Sandy Desert....Iran ian P o rp h y ry C u-M o-A u D eposits Brent LA. Mclnnes, Noreen J. Evans, Frank Q, Fut Steve Garwin...lm alyk (K a rm ak y r-D a ln e e ) and S au k b u la k C u-A u P o rp h y ry System s, U zbekistan IgorM...the largest deposits in any established porphyry province. For a discussion of the accepted terminology...localised in the U.S. âSouth-westâïŒ and in northern Chile and southern PeruïŒand were Cu-Mo orebodies (Gilmour |  | 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) | | (PNG) El Abra (Cl) Mocoa (Co) Boyongan (Ph) La Escondida (Cl) 0 FIG. 1. Maximum thickness of the leached...Locality abbreviations: Az = Arizona (USA), Cl = Chile, Co = Colombia, NM = New Mexico (USA), Pe = Peru...Rosa 150 Cuajone 120 Quellaveco 80 Toquepala 150â350 La Granja 200 Rio Blanco 52â189 Philippines Boyongan...neo = neotocite (Cu-Mn oxides), pitch = pitch limonite (copper pitch), rx = roxbyite, ten = tenorite...(m) El Salvador Los Pelambres El Teniente La Escondida Chile El Abra Cerro Colorado Rosario Ujina Chuquicamata |  | | Book | | DISCOVER LARGE COPPER AND GOLD MINES IN ARIZONA, CHILE, AND PERU With an Introduction by John M. Guilbert...Discover Large Copper and Gold Mines in Arizona, Chile, and Peru," an oral history conducted in 1998...Discover Large Copper and Gold Mines in Arizona, Chile, and Peru. 1999, xx, 283 pp. Lowell, Currier pioneer...Depression years; Arizona School of Mines, 1945-1949; mine engineer for ASARCO, 1949-1951; geologist, AEC,...with major mine discoveries: Kalamazoo extension, Vekol Hills, Casa Grande West, AZ Escondida, Zaldivar |  | 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) | | CuâMo porphyry and exotic prospect (Atacama region, Chile) were analyzed for major and trace elements, along...elements Stable isotopes Non-traditional isotopes Chile Atacama 1. Introduction The Picaron CuâMo porphyry...regionâs hyper-arid desert climate in northern Chile (Fig. 1). A notable characteristic is thick accumulations...al., 2017; Riquelme et al., 2017). In northern Chile, the primary host for exotic mineralization is the...(Riquelme et al., 2017). Examples within northern Chile include Damiana, El Sal vador (Diaz Acevedo, 1996; |  | GarcĂa, M., Maksaev, V., Townley, B., Dilles, J. (2017) Metallogeny, structural evolution, post-mineral cover distribution and exploration in concealed areas of the northern Chilean Andes. Ore Geology Reviews, 86. 652-672 doi:10.1016/j.oregeorev.2017.01.025 | Journal (article/letter/editorial) | | Universidad de Chile. Av. Tupper 2007, Santiago, Chile. (2) Departamento de GeologĂa, Universidad de Chile, Plaza...Plaza Ercilla 803, Santiago, Chile. (3) College of Earth, Ocean and Atmospheric Sciences, Oregon State University...known, allowing better criteria for decisions on mine concession acquisitions, plan geophysical and geochemical... Quellaveco and Toquepala, whereas in northern Chile, the main deposits are Mocha, Cerro Colorado, Spence...130 km in southern Peru to 30-50 km in northern Chile, and includes mainly porphyry Cu deposits, with |  | 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) | | Peru JOSĂ PERELLĂ,â Antofagasta Minerals S.A. Ahumada 11, Oficina 602, Santiago, Chile VĂCTOR CARLOTTO...Universidad Nacional San Antonio Abad del Cuzco. Avenida de la Cultura, Cuzco, PerĂș ALBERTO ZĂRATE, PEDRO RAMOS...CABALLERO, Minera Anaconda PerĂș S.A. Avenida Paseo de la RepĂșblica 3245, Piso 3, San Isidro, Lima 27, PerĂș...AND RICARDO MUHR Antofagasta Minerals S.A. Ahumada 11, Oficina 602, Santiago, Chile Abstract Originally...rapidly emerging as an important porphyry copper province. Field work by the authors confirms that mineralization |  | | Journal (article/letter/editorial) | | ServicioNacionalde Geologfay Minerfa,Casilla10465,Santiago,Chile Abstract Eightygalenasamples fromdifferentmineraldeposits...different ore depositsfrom 48 mining districtsin Chile are presentedhere (Fig. 1). The selected depositsrepresent...Jurassicto Pliocene 1973; Grant et al., 1979). Pb IN CHILE,AN GALENAS In more detailed studiesof metallogeniczonesin...strata-boundbodies (see Wellmer et al., 1983, for the El Toqui mine). PreviousWork on Pb Geochemistryin the Central...for âąĂžTpb/2Ăž4Pb, andâąĂžSPb/âąĂž4Pb ratios,reof the Chile ridge (46Ăž S). These Pb data have a âąĂž6Pb/âąĂž4Pb |  | | Book | | Radomiro Tomic Porphyry Copper Deposit, Northern Chile. Patricio Cuadra and Francisco Cam us.............Agua Rica Porphyry Cu-Mo-Au DepositïŒCatamarca Province, Northwestern Argentina. Part 1 : Exploration...Rosario Copper Porphyry Deposits, CoUahuasi District Chile. Claudio Bisso B, Manuel Durdn andAquiles Gonzales...a deposit, but rather the engineering ability to mine on a large scale at low cost, and simultaneously...all within the US "South west" and in northern Chile and neighbouring southern Peru. With the exception |  | Enders, M. S., Knickerbocker, C., Titley, S. R., Southam, G. (2006) The Role of Bacteria in the Supergene Environment of the Morenci Porphyry Copper Deposit, Greenlee County, Arizona. Economic Geology, 101 (1) 59-70 doi:10.2113/gsecongeo.101.1.59 | Journal (article/letter/editorial) | | hydroxides such as goethite and jarosite, similar to acid mine drainage systems. Order of magnitude estimates of...pyritic mine waste (Edwards et al., 1999), play a fundamental role in the formation of acid mine drainage...carbon dioxide into cell biomass (growth). In acid mine drainage systems, thiobacilli are responsible for...at the top of the enrichment blanket at La Escondida, Chile. Lichtner and Biino (1992) also questioned...of chalcocite from copper deposits in northern Chile. In a related study, Bawden et al. (2003) used sulfur |  | | Book | | org/details/geologyofchile0000unse The Geology of Chile âą The Geologica l Society of London Books Editorial...T. & GIBBO, s, W . (eds) 2007 . The Geology of Chile. The Geological Society, London. CHARRIER, R., PINTO...the Andean Orogeo in Chile. Jn: MORENO, T. & GrnsoNs, W. (eds) The Geology of Chile. The Geological Society...Society, London, 21-114. The Geology of Chile EDITED BY TERESA MORENO Earth Sciences Institute 'J aume...\ii . Grosjean 13. Field excursion from central Chile to the Atacama De<,crt. W. Gibbons & -1. Moreno |  | | Journal (article/letter/editorial) | | formerly known as Catavi, the largest tin-producing mine in Bolivia, numerous veins have developed in the...from the Grande Vein at the â30 m level, San JosĂ© mine. Specimen No. 2 contains 2M 1 sericite with small...drift 20 m above the adit of 190 m level, Morococala mine. The host rock is quartzite of the Cancañiri Formation...rite ore of the Chica Vein, 170 m adit, Bolivar mine, Avicaya area. The X-ray powder diffraction peaks...entrance of the Loa adit, Minchin section, Avicaya mine (see the photograph of Fig. 25-F; Sugaki et al. |  | | Book | | Cretaceous-Early Tertiary and Metallogenic Scheme of Northern Chile, Between 20· and 26· S T. Bogdanic C.I S. Espinoza...Cretaceous geology and metallogenesis in the north of Chile. This is followed by a paper on Cretaceous evolution...the Cretaceous evolution of central Argentina and Chile in the present volume, due to force of circumstances...279 pp. Groeber, P. (1953): Andico in Geografia de la Republica Argentina. Mesozoico, (Groeber, P., Stipanicic...Observations sur un essai de carte geologique de la France, des Pays-Bas et des contrees voisines. Annales |  | | Book | | Universidad de Concepci6n Casilla 4107 Concepci6n, Chile ISBN 978-3-642-88284-5 DOI 10.1007/978-3-642-88282-1.... . . . 37 The Metalliferous Ore Deposits of Chile and Argentina, and Their Geologic Framework J. Oyarzun... . . . . . . . . 147 X Contents El Aguilar Mine: An Ordovician Sediment-Hosted Stratiform Lead-Zinc.... . . . . . . . . . . . . . . . . . . 175 The "La Helvecia" Pb, Zn, and Barite Deposit, Argentina A...Sulfides in the Greenstone Belt of South-Central Chile - An Overview G. Alfaro and S. Callao . . . . . |  | | Journal (article/letter/editorial) | | Rosita, Coahuila 26800, Mexico DivisiĂłn de Ciencias de la Tierra, CICESE, Baja California 22860, Mexico; mperez@cicese...These deposits define a metallogenic province, named the MVT province of northeastern Mexico [2,4]. Geophysical...in MVT deposits. P1 is in the Minerva Mine, P2 in Guadalupe Mine, P3 in El OtomĂmine, P4 in Profiles P2...in the Minerva Mine, P2 in Guadalupe Mine, P3 in El OtomĂ mine, P4 in Juan Valencia mine, and P5 in El...El TapĂłn mine. Juan Valencia mine, and P5 in El TapĂłn mine. 2. Geological Setting 2. Geological Setting |  | | Journal (article/letter/editorial) | | of the Yuchiling deposit (Li et al. 2009b). Later LA-ICPMS zircon UâPb studies (Li et al. 2012a) indicated...Deposita (2013) 48:505â524 507 Fig. 2 Regional and mine geology of the Yuchiling district. a Regional geology...andesites, and dacites, with minor rhyolites. SHRIMP and LA-ICP-MS zircon UâPb ages indicate that eruption of...or interpreting it as part of a large igneous province linked to a mantle plume (Sun et al. 1981; Zhang...biotite. The proportion of biotite is less than 5 vol%. LA-ICP-MS zircon UâPb analyses indicate an intrusion |  | | Report (issue) | | geologicas-mineras sobre cobre en los prospectos de "Los Alisos", "La Caridad" y "El Alacran"- Reconocimiento geologico...L., and Gomez Caballero, A., 1986, Resultados de la evaluacion del deposito de boratos del area Tubutama...hierro de La Perla y La Negra, municipio de Camargo, Chihuahua [Iron deposits of La Perla and La Negra,...Cendejas F., C., and Barcenas R., A., 1978, Geologia de la region cuprifera del Transvaal, municipio de Cumpas... and Ortlieb, L., (eds.), Primero simposio sobre la geologia y potencial minero del estado de Sonora |  | 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) | | 20° La Colorado Rosario-Uyina-Quebrada Blanca Bolivia N Spence trench Chuquicamata eru-Chile Eocene-Oligocene...Eocene-Oligocene porphyry Cu-Mo belt La Escondida Axis of P 25° El Salvador Bajo de la Alumbrera Miocene porphyry...porphyry Cu-Au belt 30° Chile Argentina Miocene porphyry Cu-Mo belt Santiago 0 50 El Teniente 35° ...belts of the central Andes of southernmost Peru and Chile. Modified from Sillitoe and PerellĂł (2005). has...equivalent to the Domeyko fault system in northern Chile, which localized most of the younger Eocene porphyry |  | | Journal (article/letter/editorial) | | Surface over the El Salvador Porphyry Copper Deposit, Chile YASUSHI WATANABEâ Institute for Geo-Resources and...surface over the El Salvador porphyry copper orebody, Chile (Fig. 1). Our goal is to better understand the zonation...veins. (2) The distribution of supergene glassy limonite, goethite, hematite and jarosite assemblages reflects...Cerro Pelado ult System Antofagasta 26 S Domeyko Fa 24 S Old Camp La Escondida(34, 32) 100 km M Gulch-Copper...other porphyry deposits (ages in Ma) in northern Chile (modified from Clark et al., 1998), with a simplified |  | | Report (issue) | | «2. of the eccisemene of the Misima Gold-Silver Mine, Papua New Guinea ........ .G. I. Wilson and R....C. Barwick eae ie Discovery. The McLaughlin Gold Mine, Napa, Yolo, and Lake Counties, California Fre...At the other extreme are the discoveries of Escondida and Neves-Corvo, where sound understanding of...is arbitrary, because concepts have changed in mine was in production until the 1970s. Some indi- cations...with new discoveries, augmented geologic the Los mine (Cronstedt, 1754). The alloy was called knowledge |  | 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) | | Turquesa Exotic Copper Orebody, El Salvador District, Chile TIMOTHY I. MOTE, GEORGE H BRIMHALL,â Department...MULLER, AND PEDRO CARRASCO Codelco-Chile, Huerfanos 1270, Santiago Chile Abstract A computerized district-scale...corridors leading to undiscovered exotic ores to extend mine life, and providing an estimate of the mass of copper...Turquesa Norte in the El Salvador district of northern Chile. Genesis of Exotic Copper Deposits Recent exploration...deposits, which will extend mine life of porphyry copper deposits in northern Chile, offers new opportunities |  | Dejonghe, LĂ©on, Darras, BenoĂźt, Hughes, Guillermo, Muchez, Philippe, Scoates, James S., Weis, Dominique (2002) Isotopic and fluid-inclusion constraints on the formation of polymetallic vein deposits in the central Argentinian Patagonia. Mineralium Deposita, 37 (2) 158-172 doi:10.1007/s00126-001-0225-8 | Journal (article/letter/editorial) | | compositions than similar deposits from Peru and Chile, except for the porphyry copper deposits of central...Santa Cruz and Tierra del Fuego provinces. Chubut province, the focus of this study, is situated between...high mountains â the Andean Cordillera between Chile and Argentina, and to the east, by an extensive...despite their widespread distribution to the west in Chile. Recently (1987â1997), gold- and silver-bearing...Argentinian Patagonia, within a part of Santa Cruz province known as the Deseado Massif (Genini 1988). Schalamuk |
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