 | Romero, BĂĄrbara, Kojima, Shoji, Wong, Chilong, Barra, Fernando, VĂ©liz, Walter, Ruiz, Joaquin (2011) Molybdenite Mineralization and Re-Os Geochronology of the Escondida and Escondida Norte Porphyry Deposits, Northern Chile. Resource Geology, 61 (1) 91-100 doi:10.1111/j.1751-3928.2010.00150.x | Journal (article/letter/editorial) | | Geochronology of the Escondida and Escondida Norte Porphyry Deposits, Northern Chile BĂĄrbara Romero,1,2...University of CatĂłlica del Norte, 2Minera Escondida Ltd, Antofagasta, Chile and Department of Geosciences...the primary Mo-bearing mineral in the Escondida and Escondida Norte deposits were characterized using several...occurrence of molybdenite are observed in the Escondida deposit: aggregates with Cu-Fe-sulïŹde minerals...2 â«Ÿ 0.2 Ma, respectively. Re-Os dating of Escondida Norte molybdenites also show two distinct episodes |  | | Journal (article/letter/editorial) | | 307â324 Geology of the Escondida Porphyry Copper Deposit, Antofagasta Region, Chile RUBEN A. PADILLA GARZA...Minera Escondida Limitada, avenida de la minera 501, Antofagasta, Chile Abstract The Escondida porphyry...porphyry copper deposit, located in northern Chile, was one of the two largest copper producers of the world...basement of the Precordillera de Domeyko province in northern Chile. We propose that the intrusive stock...stock associated with the mineralization at Escondida was emplaced in a tensional gash formed between sinistral |  | | Journal (article/letter/editorial) | | of Northern Chile Preface FRANCISCO CAMUS â Codelco-Chile, HuĂ©rfanos 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...relevant discoveries are the porphyries at La Escondida, Escondida Norte, ZaldĂvar, Rosario and Ujina in the |  | Riveros, K., Veloso, E., Campos, E., Menzies, A., VĂ©liz, W. (2014) Magnetic properties related to hydrothermal alteration processes at the Escondida porphyry copper deposit, northern Chile. Mineralium Deposita, 49 (6) 693-707 doi:10.1007/s00126-014-0514-7 | Journal (article/letter/editorial) | | alteration processes at the Escondida porphyry copper deposit, northern Chile K. Riveros & E. Veloso & E...using magnetic methods. In the Escondida porphyry Cu deposit of northern Chile, each hydrothermally altered...altered rocks are mainly carried by secondary magnetite. In contrast, pervasively altered rocks (i.e....Universidad de Atacama, Copayapu 485, CopiapĂł, Chile e-mail: karl.riveros@uda.cl K. Riveros : E. Veloso...del Norte, Avenida Angamos 0610, Antofagasta, Chile W. VĂ©liz Minera Escondida Ltd, Avenida de la MinerĂa |  | | 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 |  | | Journal (article/letter/editorial) | | 271â305 Geologic Evolution of the Escondida Area, Northern Chile: A Model for Spatial and Temporal Localization...Cu deposits at Escondida, ZaldĂvar, and Chimborazo (Cordillera de Domeyko, northern Chile). The purpose...explain the giant scale of mineralization at Escondida and provide predictive tools for exploration in...intermediate to felsic Permo-Carboniferous volcanism (La Tabla Formation), and these rocks appear to constitute...throughout much of the porphyry belt of northern Chile. Geochemically, they are I-type in character, but |  | | 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 |  | | Journal (article/letter/editorial) | | deposits include those of the Maricunga belt in Chile, formed at a depth of <1 km (Muntean and Einaudi...Utah (Redmond and Einaudi, 2010), El Salvador in Chile (Gustafson and Quiroga, 1995), Pebble in Alaska...(Gregory, 2017), and RĂo Blanco-Los Bronces in Chile (Deckart et al., 2013). The biotite in these veins...2004; Landtwing et al., 2010), Chuquicamata in Chile (Rusk et al., 2011; Bennett et al., 2014), Elatsite...Bulgaria (Stefanova et al., 2014), El Teniente in Chile (Klemm et al., 2007), Nevados de Famatina in Argentina |  | 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 |  | | 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 |  | | Journal (article/letter/editorial) | | waste clay from the Sardes (Salihli) placer gold mine and its utilization in floor-tile manufactureâ lker...Discovery of the Solomon iron deposits, Hamersley Province, Western AustraliaâD. Kepert, D. N. Clarke, C...Creek and Robertson Range Projects, Hamersley Province, Western AustraliaâP. Darvall, R. McCarthy, and...mineralisation at E deposit (East), Area C, Hamersley Province, Western Australiaâ F.M. Bodycoat 49 A synopsis...of the channel iron deposits of the Hamersley Province, Western AustraliaâE.R. Ramanaidou and R.C. Morris |  | Huang, Xiao-Wen, Sappin, Anne-AurĂ©lie, Boutroy, Ămilie, Beaudoin, Georges, Makvandi, Sheida (2019) Trace Element Composition of Igneous and Hydrothermal Magnetite from Porphyry Deposits: Relationship to Deposit Subtypes and Magmatic Affinity. Economic Geology, 114 (5) 917-952 doi:10.5382/econgeo.4648 | Journal (article/letter/editorial) | | Element Composition of Igneous and Hydrothermal Magnetite from Porphyry Deposits: Relationship to Deposit...Survey of Canada, Natural Resources Canada, 490 rue de la Couronne, QuĂ©bec, QuĂ©bec G1K 9A9, Canada 5 Agnico...element composition of igneous and hydrothermal magnetite from 19 well-studied porphyry Cu ± Au ± Mo, Mo...ablation-inductively coupled plasma-mass spectrometry (LA-ICP-MS) and then classified by partial least squares-discriminant...composition of magnetite and the magmatic affinity and porphyry deposit subtypes. Igneous magnetite can be discriminated |  | | Journal (article/letter/editorial) | | characteristics of the Siberian Trap Large Igneous Province (LIP) and associated ore deposits in the Norilâsk...calderas, diatremes with pyrrhotite and magnetite ore, magnetite lava flows, and bitumen in flood basalts...parallelogram) and are proven tools for mine evaluation, resource estimation, and mine planningâincluding pit or stope...stope optimizationâand mine scheduling. The book consists of 15 chapters and is very well organized....risk in downstream investigations, such as mine design, mine planning, or operational optimization studies |  | | Journal (article/letter/editorial) | | characteristics of the Siberian Trap Large Igneous Province (LIP) and associated ore deposits in the Norilâsk...calderas, diatremes with pyrrhotite and magnetite ore, magnetite lava flows, and bitumen in flood basalts...parallelogram) and are proven tools for mine evaluation, resource estimation, and mine planningâincluding pit or stope...stope optimizationâand mine scheduling. The book consists of 15 chapters and is very well organized....risk in downstream investigations, such as mine design, mine planning, or operational optimization studies |  | | Journal (article/letter/editorial) | | copper-iron sulphide minerals in the Escondida Norte porphyry copper deposit, ChileâRichard K. Preece, Martin J...deposits in the ~260 Ma Emeishan large igneous province, SW China and northern VietnamâChristina Yan Wang...and Liang Qi 162 The giant upper Yangtze Pb-Zn province in SW China: Reviews, new advances, and a new...Origin of native copper in the ParanĂĄ volcanic province, Brazil, integrating Cu stable isotopes in a multianalytical...Feieâshan W-Sn deposit in the eastern Guangdong Province, SE China: Implications for W-Sn mineralization |  | | Journal (article/letter/editorial) | | February 2011 # Springer-Verlag 2011 Abstract Magnetite and hematite are common minerals in a range of...form partial to complete solid solutions with magnetite, chromite, and spinel series, and ulvospinel as...microprobe analyses of minor and trace elements in magnetite and hematite from a range of mineral deposit types...(iron oxide-copper-gold (IOCG), Kiruna apatiteâ magnetite, banded iron formation (BIF), porphyry Cu, FeCu... BIF, skarn, Fe-Ti, and V deposits. Keywords Magnetite . Hematite . Mineral deposit . Electron microprobe |  | | 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) | | intergranular orthoclase, along with opaque minerals (magnetite, chalcopyrite, and pyrite). Secondary biotite...Jinduichengâ Huanglongpu region of the Shaanxi province, China. This sample is used internationally as...Pelambres (Bertens et al. 2003), and Escondida and Escondida Norte (Romero et al. 2011), and the general...y 40Arâ39Ar del porïŹdo de CuâMo Los Pelambres, Chile Central, in 10th Congreso GeolĂłgico Chileno, ConcepciĂłn...and albite 40Ar/39Ar dating of CuâAuâ Mo and magnetite porphyry systems in the Yangtze River valley and |  | | Book | | . . . . . . . . . . . . . . 3.6 Kiruna-Type Magnetite Apatite Iron Ore . . . . . . . . . . . . . . ...themselves such as chalcopyrite, sphalerite, and magnetite, but also the respective rocks that contain more...is the minimum grade at which it is worthwhile to mine a certain deposit. Everything below it (low-grade...chalcopyrite (brass) from the Friedrich-Christian Mine in Wildschapbach, Black Forest (Germany) (photo...black Fig. 1.2 Chalcopyrite on quartz. Silberwiese Mine, Oberlahr, Westerwald (Germany) (photo © Monika |  | | Report (issue) | | Our operations span the globe, from Mongolia to Chile to the US, and occupy various stages of the mining...in the Juukan Gorge, at the Brockman 4 iron ore mine in Western Australia, in May 2020, which should...implications of this material new information for the mine development plans. Such a review did not take place...progressively lost. Further opportunities to revise the mine plan were missed in 2018, when the final archaeological...exceptional cultural significance within our existing mine plans. We are currently completing the first phase |  | | Report (issue) | | .B3 Graph showing dates associated with all the mine sites on the U.S. Environmental Protection Agencyâs...production, U.S. apparent consumption, and U.S. mine production of antimony from 1900 to 2012............................F2 Graph showing world cobalt mine and refinery production and apparent consumption.....................F2 Graph showing world cobalt mine production from 1950 to 2011......................F4. Pie chart showing percentage of world cobalt mine production in 2011, by country................. |
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