| | 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...Collahuasi mining district, Quebrada Blanca, Lomas Bayas, and (in the last 5 years) Spence and Gaby Sur | | | Journal (article/letter/editorial) | between 17 and 27S across the forearc of northern Chile and southern Peru from 44 to 6 Ma, and on the Bolivian...directly dated (southern Peru and south of 26S in Chile) and suggest formation post 14 Ma. Sedimentological...is unlikely to be widely applicable in northern Chile. General models that involve climatic desiccation...Introduction The Central Andes, and in particular northern Chile, host some of the world’s largest porphyry copper...hyperaridity at 14 Ma in the Atacama Desert of northern Chile and southern Peru is not supported by sedimentological | | | 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...presently active Andean subduction (Aconcagua and Sierra del VolcaÂn F.Z.). The occurrences of large mineral...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 | | | Report (issue) | PROSPECTS OF THE I, H, IE, IV, AND V REGIONS, NORTHERN CHILE compiled by William C. Williams Open-File Report...complement to my dissertation work in northern Chile under the auspices of Dr. John Guilbert at the University...prospects in the I, n, IE, IV, and V Regions of Chile (Figure 1). Over 3000 sites were compiled from published...Geologia y Yacimientos Metaliferos de la Region de Antofagasta: Servicio Nacional de Geologia y Mineria, Boletin...well as descriptions of the major mines throughout Chile with insights as to their genesis. Finally, Frutos | | | Journal (article/letter/editorial) | SUPERGENE WEATHERING IN THE EL PEÑÓN DISTRICT, NORTHERN CHILE IAN WARREN,† Yamana Gold, 9670 Gateway Drive, Suite...Peñón epithermal gold-silver deposit, Region II, Chile, comprises multiple epithermal veins, which contain...in the Paleocene metallogenic belt of northern Chile. Quartz-adularia-carbonate veins are hosted in Paleocene...Paleocene and early Eocene magmatic arc of northern Chile. Measured, indicated, and inferred resources for...by, a rhyolite flow-dome complex. Zircons and biotite from the rhyolite domes were dated by U/Pb (54 | | 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) | Deposits,Chile JOHN DAVIDSON Minera ComincoResourcesChile, Ltda., Los Leones234, Santiago,Chile AND CONSTANTINO...Minerfa, Casilla 10465, Santiago,Chile Abstract Epithermal gold depositsin Chile are Cretaceousto Cenozoicin...hydrothermalalterationzones were formed in central Chile. Paleocene-Eocene volcanicrocksconstitutea large...Faride, San Crist6bal,Guanaco,andCachinalde la Sierra).In the late Eocene-earlyOligocene,volcanism d...and 33 ø S. Late Mioceneto Holocenemagmatismin Chile is presentin two segmentsbeneathwhich the dip of | | | 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 | | Arfè, Giuseppe, Boni, Maria, Mondillo, Nicola, Aiello, Roberto, Balassone, Giuseppina, Arseneau, Vernon, Soyk, Dominik (2016) Supergene Alteration In the Capricornio AU-AG Epithermal Vein System, Antofagasta Region, Chile. The Canadian Mineralogist, 54 (3) 681-706 doi:10.3749/canmin.1600012 | Journal (article/letter/editorial) | CAPRICORNIO Au-Ag EPITHERMAL VEIN SYSTEM, ANTOFAGASTA REGION, CHILE GIUSEPPE ARFȧ AND MARIA BONI* Dipartimento...Paleocene–Eocene metallogenic belt, 60 km ENE of Antofagasta in the physiographic Central Depression, between...epithermal, Au-Ag, supergene Au-Ag, aridity, gold, Antofagasta Region, Central Depression. § Corresponding...CANADIAN MINERALOGIST INTRODUCTION The Antofagasta region in northern Chile hosts many of the world’s significant...Capricornio property is located 60 km ENE of Antofagasta (23831 0 S latitude, 69850 0 W longitude), in | | | Journal (article/letter/editorial) | 1062-1085 Geology oftheE1AbraPorphyry CopperDeposit, Chile JOZSEF A•IBRUS Abstract The E1 Abra porphyryCOl)per...1972to 1975,the Corporaci6nNacionaldel Cobrede Chile completedan evaluation programknownas the E1 Abra...located in E1 Loa Province, Chile, 42 kilometers north of the Chuquicamataopen-pit mine (Fig. 1). It is...area stoppedaround 1925, and at that time the Chile ExplorationCompany,a subsidiaryof the AnacondaCompany...mines. In 1971 the Chilean Governmenttook over the Chile Exploration Companyproperties,includingthe E1 Abra | | | Journal (article/letter/editorial) | are made up of abundant plagioclase, quartz, and biotite, plus scattered K-feldspar and hornblende, all...all surrounded by aplitic groundmass. Potassic (biotite-K-feldspar) and sericitic (quartz-sericite) alteration...Mocha Toquepala Cerro Colorado Spence Lomas Bayas ANTOFAGASTA Chile a 330000 325000 24°S 8110000 8107000...porphyry copper belt and its main deposits in northern Chile and southern Peru (adapted from Sillitoe and Perelló...40Ar/39Ar ages of alteration minerals—typically biotite, K-feldspar, sericite, and/or alunite (e.g., 0 | | García, 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 Geología, 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...whereas in northern Chile, the main deposits are Mocha, Cerro Colorado, Spence and Lomas Bayas (Fig. 2). The...130 km in southern Peru to 30-50 km in northern Chile, and includes mainly porphyry Cu deposits, with | | | Journal (article/letter/editorial) | minerals for the El Peñón epithermal deposit, northern Chile. The same techniques are applied to data for rocks...xaxis, rocks containing only K-feldspar and/or biotite will plot directly above this point at a K/Al value...range of feldspar compositions and mixtures with biotite. Fresh felsic rocks plot on or near this line as...Ca or Na. Along this 925 926 WARREN ET AL. Biotite K-feldspar 1 K ga Illite ain ,C ag in K-mica...ratio; K/Al is 1 for K-feldspar (adularia) and/or biotite, 0.33 for K-mica, and <0.33 for illite. The molar | | | Book (edition) | MINE andtheir LOCALITIES JAN H. BERNARD AND JAROSLAV HYRSL INERALS DESCRIBED SINCE 2004 MINERALS...dist., China Fluomatromicrolite, x 25111111, Naipa mine, Mozambique Daliranite, 5111111, Zarshouran Au-As...Czech Rep. Juangodoyite, 60111111, Santa Rosa mine, Chile Back cover photo: Ho/fertile on hematite, 5 111111...Veta Negra, Chile Page 2: Anorpiment on D!piment pseudomo,phs after realga,; 75 mm, Palomo mine, Pen, Page...CCM CM DANR EJM JMPS MM MP NJMA ZRMO Republic province prefecture county departement departamento
| | | 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...parautochthonous shelf and deeper water rocks of Sierra Guaniguanico (Pindell, 1985a). There, nonmarine-transitional...magmatic arc system (of the Santa Marta Massif, Sierra Perija, Central Cordillera, and northern Eastern | | 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 | | | Book | org/details/geologyofchile0000unse The Geology of Chile • 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 | | | 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...Sulfides in the Greenstone Belt of South-Central Chile - An Overview G. Alfaro and S. Callao . . . . ....Formation and Massive Sulfide Orebodies, South-Central Chile: Geologic and Isotopic Aspects S. Callao, G. Alfaro | | | Report (issue) | Mountain (British Columbia, Canada) and El Teniente (Chile) porphyry copper deposits.........................deposits include El Teniente and El Salvador in Chile, Bajo de la Alumbrera in Argentina, Grasberg in...regional faults such as near deposits in northern Chile (Behn and others, 2001; Gow and Walshe, 2005), central...silicate and oxide minerals are quartz, K-feldspar, biotite, muscovite (sericite), magnetite, chlorite, anhydrite...on the form of the phenocryst. Ragged-appearing biotite commonly occurs in this manner. Linear arrays of | | | Journal (issue) | constructed by Urbici Soler in 1939. It is also called “Sierra de Cristo Rey” and “Mount Cristo Rey” (Hook, 2008;...1998). Bergaueria isp. plugs have been found in mine tailings on the northern side of Cerro de Cristo...Ichnology and stratigraphy of the Crescent Valley Mine: Evidence for a Carboniferous megatracksite in Walker...Boston, 220 p. Hook, S.C., 2008, Gallery of geology-Sierra de Cristo Rey: New Mexico Geology, v. 30, p. 93–94...Regional geochemical mapping of the Superior Upland Province; Ichnology of the Cretaceous Mesilla Valley Formation | | | Book (volume) | existence o f a new unconformity-vein style uranium province in the Proterozoic of the Great Sandy Desert....the largest deposits in any established porphyry province. For a discussion of the accepted terminology...localised in the U.S. “South-west”, and in northern Chile and southern Peru,and were Cu-Mo orebodies (Gilmour...Cook and Porter;all in this publication) and in Chile, Argentina and Peru in South America (see Camus;...Chuquicamata, El Abra, La Escondida and El Teniente in Chile, Cerro Colorado in Panama, Grasberg in Indonesia | | Li, GuangMing, Cao, MingJian, Qin, KeZhang, Hollings, Pete, Evans, Noreen J., Seitmuratova, Eleonora Yusupovha (2016) Petrogenesis of ore-forming and pre/post-ore granitoids from the Kounrad, Borly and Sayak porphyry/skarn Cu deposits, Central Kazakhstan. Gondwana Research, 37. 408-425 doi:10.1016/j.gr.2015.10.005 | Journal (article/letter/editorial) | porphyries from the giant Chuquicamata and small Lomas Bayas PCDs, Oyarzun et al. (2001) described the different...imprecise zircon U-Pb age of 1850±60 D Ma and quartz-biotite schists with a whole-rock Pb-Pb isochron age of...with minor diorite, monzodiorite, gabbro, and biotite-hornblende granite (Fig. 2c). These intrusions...granitoids show a wide range of zircon U-Pb and biotite K-Ar ages from 329 Ma to 280 Ma. Recently, Chen...vol.%, 0.2-3 mm), quartz (~5 vol.%, 0.1-1 mm), biotite (~6 vol.%, 0.1-1 mm) ACCEPTED MANUSCRIPT and | | Cunningham, Charles G., Zappettini, Eduardo O., Vivallo S., Waldo, Celada, Carlos Mario, Quispe, Jorge, Singer, Donald A., Briskey, Joseph A., Sutphin, David M., Gajardo M., Mariano, Diaz, Alejandro, Portigliati, Carlos, Berger, Vladimir I., Carrasco, Rodrigo, Schulz, Klaus J. (2008) Quantitative Mineral Resource Assessment of Copper, Molybdenum, Gold, and Silver in Undiscovered Porphyry Copper Deposits in the Andes Mountains of South America. Open-File Report 2008-1253. US Geological Survey doi:10.3133/ofr20081253 | Report (issue) | jointly by the geological surveys of Argentina, Chile, Colombia, Peru, and the United States Quantitative...Zappettini Colombia INGEOMINAS Carlos Mario Celada Chile SERNAGEOMIN Waldo Vivallo S. Mariano Gajardo M....Quispe Jointly publi shed by: Country Argentina Chile Colombia Peru United States Organization Instituto...the geological surveys of Argentina (SEGEMAR), Chile (SERNAGEOMIN), Colombia, (INGEOMINAS), Peru (INGEMMET)...Bronces-Rio Blanco porphyry copper-molybdenum deposit, Chile .............................................. 18 | | Bierlein, Frank P., Potma, Warren, Cernuschi, Federico, Brauhart, Carl, Robinson, Jamie, Bargmann, Chris J., Bullen, Warwick, Henriquez, Jose F., Davies, Ian, Kennedy, Allen (2020) New Insights into the Evolution and Age of the Neoproterozoic Jebel Ohier Porphyry Copper Deposit, Red Sea Hills, Northeastern Sudan. Economic Geology, 115 (1) 1-31 doi:10.5382/econgeo.4691 | Journal (article/letter/editorial) | Tertiary porphyries in the Escondida area in northern Chile. The multiphase intrusion hosting the Jebel Ohier...Sudan highway is via an unpaved road to the Ariab mine and ~150 km of dirt tracks over open ground. An...Figs. 2, 3A) are the most well understood. The Old Mine Jebels area (the name makes reference to ancient...MMSZ = Malachite Mountain shear zone, OMJ = Old Mine Jebels, OW = Ohier West, QK = Quartz Knob. associated...in fine-grained quartz-feldspar-Fe oxide-biotite groundmass FQP Feldspar‐quartz porphyry As for | | | Report (issue) | Mexico ; United States . 8 7 S. America : Bolivia ; Chile ; Colombia ; Peru . 1 2 6 WORLD MAP OF SILVER DEPOSITS...CentralAmerican States • SouthAmerica : Bolivia and Chile . . Argentina • . ...., Brazil . . . Colombia •...produced silver may be mentioned East Huel Rose lead mine (yield from 1852 to 1861 was 260,721 oz.), and West...silver-lead mine (yield from 1851 to 1863 was 332,204 oz.), and the Frank Mills lead mine (yield from...alloy) is present in a pyritic lode at the Hanover mine, Filabusi. I t occurs i n thin scales associated |
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