 | | Journal (article/letter/editorial) | | scaleof a 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) | | 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 |  | | Report (volume) | | -----------------------------------------------Chile------------------------------------------------...---------------------------------------------------------------El Salvador---------------------------------------------...Bol. Geol.; Publicaci6n Especial No.5 Ministerio de Minas e Hidrocarburos, Caracas 1972. Also in University...resources from aircraft and spacecraft (abs.): Geol. Mining and Metall. Soc. Liberia Bull., v. 3, p. 76. Taylor...Shallow ground water in the Zamin Dawr area, Helmand Province, Afghanistan: U.S. Geol. Survey open-file rept |  | | Journal (article/letter/editorial) | | Graduate School of International Resource Sciences, Mining Museum of Akita University, Akita, Japan Abstract...mineralization in two representative porphyry systems (El Salvador, Chile, and Grasberg, Indonesia) was examined to...and host rocks during potassic alteration at El Salvador and Grasberg includes (i) reduction of SO42−...exsolution from the intrusive magmas. Keywords: El Salvador, Grasberg, Japan, porphyry Cu deposit, potassic...International Resource Sciences, Akita University, Mining Musium of Akita University, Osawa, Tegata, Akita |  | 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...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 |  | 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 (issue) | | Copper Mountain (British Columbia, Canada) and El Teniente (Chile) porphyry copper deposits..................porphyry copper deposits include El Teniente and El Salvador in Chile, Bajo de la Alumbrera in Argentina, Grasberg...which will vary with the price of copper and local mining costs. At Dos Pobres, Arizona, from the top of...regional faults such as near deposits in northern Chile (Behn and others, 2001; Gow and Walshe, 2005), central...the date of a study, considering the extent of mining at that date. At Batu Hijau, Indonesia, Arif and |  | | Journal (article/letter/editorial) | | below the Porphyry Copper Orebodyat E1Salvador,Chile LEWIS B. GUSTAFSON 5320 Cross Creek Lane, Reno,...89511 ANDJORGE QUIROGAG.* Codelco-Chile,DivisionE1Teniente,Rancagua,Chile Abstract Three diamonddrill holes...holes,angledbelow the lowesthaulagelevel at E1 Salvador,have doubledthe verticalexposureof the depositand...the mine were proposedto the management DURINGthe developmentandoperationof the E1Salvador mine by the...The drilling * Presentaddress:TVX Minerals Chile, Avenida 11 de Septiembre waspostponedandnevercarriedout |  | 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) | | Gregoire M.2, Riquelme R.1 5 6 1 Departamento de Ciencias Geológicas, Universidad Católica del Norte...Norte, Av. Angamos 0610, 7 Antofagasta, Chile. 8 2 GET, IRD-CNRS-CNES-UPS, 14 avenue E. Belin, Toulouse...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) |  | Riveros, K., Veloso, E., Campos, E., Menzies, A., Véliz, 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) | | the Escondida porphyry copper deposit, northern Chile K. Riveros & E. Veloso & E. Campos & A. Menzies...In the Escondida porphyry Cu deposit of northern Chile, each hydrothermally altered lithology is characterized...Departamento de Geología, Facultad de Ingeniería, Universidad de Atacama, Copayapu 485, Copiapó, Chile e-mail:...Campos : A. Menzies Departamento de Ciencias Geológicas, Facultad de Ingeniería y Ciencias Geológicas...Antofagasta, Chile W. Véliz Minera Escondida Ltd, Avenida de la Minería 501, Antofagasta, Chile magnetite |  | | Journal (article/letter/editorial) | | from La Jolla, Calif. La Jolla, in western San Diego Co., is on the Pacific Ocean in southern California...some reddish). A tiny amount of black ilmenite also present. Ilmenite sand from Del-Ches. Canal, Del. "I...am sending you under separate cover a sample of ilmenite sand which may be of interest because of the locality...and the circumstances of its accumulation. "The ilmenite is disseminated at very low concentration in a...'flotation' methods. The dense black fraction is mainly ilmenite with an appreciable amount of magnetite sand which |  | 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 |  | Oyarzun, Roberto, Oyarzún, Jorge, Ménard, Jean Jacques, Lillo, Javier (2003) The Cretaceous iron belt of northern Chile: role of oceanic plates, a superplume event, and a major shear zone. Mineralium Deposita, 38 (5) 640-646 doi:10.1007/s00126-003-0359-y | Journal (article/letter/editorial) | | Javier Lillo The Cretaceous iron belt of northern Chile: role of oceanic plates, a superplume event, and...tectonic, magmatic, and metallogenic history of Chile. The geological evidence indicates that a major...This completely changed the tectonic setting of Chile ending the Early Cretaceous extensional period (aborted...best possible structural path in northern Chile, i.e., the Atacama Fault Zone, eventually forming a +500-km-long...geological history. Keywords Iron belt Æ Cretaceous Æ Chile Æ Shear zone Æ Superplume Editorial handling: Robert |  | Dilles, J. H., Kent, A. J. R., Wooden, J. L., Tosdal, R. M., Koleszar, A., Lee, R. G., Farmer, L. P. (2015) ZIRCON COMPOSITIONAL EVIDENCE FOR SULFUR-DEGASSING FROM ORE-FORMING ARC MAGMAS. Economic Geology, 110 (1) 241-251 doi:10.2113/econgeo.110.1.241 | Journal (article/letter/editorial) | | 2005; Houston and Dilles, 2013 El Salvador, Chile ? NNO +1.5-2 I >0.02 5 1,000 6 15 Gustafson...anhydrite in ores at Yanacocha and El Salvador from references; Yerington district based on a) alteration volumes...Bt @ 1.5% S, b) same amount of S from Yerington mine, Bear, and MacArthur deposits; and c) 100 Mt of...intrusions directly associated with ores: El Salvador, Chile (Gustafson and Hunt, 1975; Gustafson et al...porphyry deposits at El Abra and Chuquicamata, Chile (Ballard et al., 2002); El Teniente, Chile (Muñoz et al |  | | 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) | | is located in the Coastal Cordillera of northern Chile and southern Peru, where it is part of a volcano-plutonic...Henry in Australia and Candelaria and Mantoverde in Chile. Notwithstanding their modest economic contributions...Position of the central Andean IOCG belt of northern Chile–southern Peru with respect to the Jurassic–Early...Cordillera and immediately adjoining areas of northern Chile and southern Peru (latitudes 13– 3330¢S; Fig. 1)...view of the fact that the central Andean IOCG province is the world’s youngest, is largely unaffected |  | | Journal (article/letter/editorial) | | Rutile produceddomesticallyis a by-productof ilmenite recoveryfrom domesticsandmining operations. Rutile...Biotite 4.0-5.5 Amphibole Sphene 0.8-2.0 $5-40 Ilmenite 44-52 Mexico 5 Babine Lake, British Columbia6...quartz + hematite + anhydrite + rutile. (4) Primary ilmenite or titaniferousmagnetitemay react to form secondary...widely; there is little spheneat Binghamand little ilmenite at Ajo. From an economicpoint of view, it is...documented evidencefor the reactionof spheneto form ilmenite the widespreadoccurrenceof rutile at San Manuel |  | | Report (volume) | | ____________ ----- _______________ .._______ History of mining ____ --------- _________________________ -----__...Honduras-------------~----------------------------------- El Quetzal mine_______________________________________..._________ Siria mine ________________________ ------------- __ ----Los Hornitos mine ______ ;_______...mine____________________________________ La Uni6n mine ________________ -----------------------(}uatem...Tablas deposit_____________________________________ El Carrizal prospect ___ -------------------------- |  | | Journal (issue) | | y Price Avthority Published b y Engineering and Mining Journal Since 1930 VoL. 35, No. 52 Secor,d clon...upgrading other stockpile 1netals and ores. Mining companies and mining state Congressmen can be counted on to...Goldsfields of Australia, Utah Construction and Mining, and Cyprus Mines - \vhich will s upply 16.5-million...This opens the door for Hanna Mining- through its St. John d'el Rey Mining - to start immediate development...Bethlehem Steel is also cnvolvcd through the Antunes Mining group. Hanna has already presented plans to develop |  | | Journal (article/letter/editorial) | | locations) can belong to one and the same ore district, massif, and formation, or can be located very...localities Abbreviations: (Dst.) district, area; (Co.) county; (m.) mine; (Mf.) massif; (Q.) quarry; (N)...\\1973quetzalcoatlite;…1979tlapallite 9 – Barberton district \(25°48`S, 31°03`E), Transvaal, South Africa \\1921trevorite...\(22°18`S, 68°55`W), 15 km N of Calama, Antofagasta, Chile \\1908natrochalcite;…1986obradovicite 14 – Clara...pacajake) 7 – Copiapo (mining disrict) \(27°21`S, 70°20 `W) = (area), Atacama, Chile \\1833copiapite;…1933amarillite |  | | Journal (article/letter/editorial) | | monzogranite. Felsic intrusive rocks of the Climax mine are A-type and are exceptionally high in trace elements...as the Chuquicamata, Rio Blanco and El Teniente deposits, Chile. The anorogenic environments are represented...Paleozoic orogenic belt Chuqicamata Rio Blanco El Salvador Precambrian shield Fig. 1 Major molybdenum...in Figure 1. 2. Discrimination of magnetite/ ilmenite-series granitoids All the granitoids related to...W-Sn deposits are related to a reduced type of ilmenite-series rocks along the fore-arc side of the island |  | Field, C.W., Zhang, L., Dilles, J.H., Rye, R.O., Reed, M.H. (2005) Sulfur and oxygen isotopic record in sulfate and sulfide minerals of early, deep, pre-Main Stage porphyry Cu–Mo and late Main Stage base-metal mineral deposits, Butte district, Montana. Chemical Geology, 215 (1) 61-93 doi:10.1016/j.chemgeo.2004.06.049 | Journal (article/letter/editorial) | | Main Stage base-metal mineral deposits, Butte district, Montana C.W. Fielda,*, L. Zhanga, J.H. Dillesa...isotopes; Contamination 1. Introduction The Butte mining district in southwestern Montana is preeminent not only...Century. In addition, for 90 years or more, the district has been the location of numerous industry, government...Geological setting Mineral deposits of the Butte district are located near the southern end of the Late...hornblende, with accessory magnetite, titanite, ilmenite, apatite, and zircon (Weed, 1912; Sales, 1914; |  | | 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 |  | | Journal (article/letter/editorial) | | products and framboidal pyrite oxidation in acid mine drainage prediction techniques—P.A. Weber, W.A....M. Reddy 497 549 563 591 BULLETIN DE LA SOCIÉTÉ GÉOLOGIQUE DE FRANCE Vol. 175, No. 5, 2004 Subduction-related...data, Muskoka and Shawanaga domains, Grenville province, Ontario—Trond Slagstad, Michael A. Hamilton,...Sudbury impact structure at the Thayer Lindsley mine, Ontario—J. Bailey, B. Lafrance, A.M. McDonald,...141 157 175 La mine médiévale d’argent du Pontet, une fente alpine contemporaine de la surrection des |  | | Report (issue) | | three years. Special working groups were set up in Chile, Peru, and Ecuador. The Chilean group includes mainly...representatives from the National Geologic and Mining Survey. In Peru the group includes representatives...representatives from the Institute of Geology and Mining, the petroleum industry, the Geological Society of Peru...Office for Evaluation of Natural Resources, and the mining industry. In Ecuador both the Division of Mines...May 12-14, 1987 meeting of the panel in Santiago, Chile (table 10, figure 7). He reported a deep interest |
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