 | 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...crystal fractionation of hornblende, apatite, and titanite with lesser crustal contamination and mixing with...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; |  | | 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 |  | 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) |  | | 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 |  | Allen, Charlotte M., Bryan, Scott E., Campbell, Ian H., Holcombe, Rodney J., Harris, Anthony C., Palin, J. Michael (2004) ELA-ICP-MS U?Pb zircon geochronology of regional volcanism hosting the Bajo de la Alumbrera Cu?Au deposit: implications for porphyry-related mineralization. Mineralium Deposita, 39 (1) 46-67 doi:10.1007/s00126-003-0381-0 | Journal (article/letter/editorial) | | geochronology of regional volcanism hosting the Bajo de la Alumbrera Cu–Au deposit: implications for porphyry-related...intrusion of the earliest mineralized porphyries at Bajo de la Alumbrera (8.02±0.14 and 7.98±0.14 Ma). Regional...shortly before renewed magmatism occurred at Bajo de la Alumbrera (7.10±0.07 Ma). The latest porphyry...synchronously with the mineralized porphyries at Bajo de la Alumbrera. However, their emplacement continued...to 6.93±0.07 Ma) after the final intrusion at Bajo de al Alumbrera. Regional volcanism had ceased by 6 |  | | Journal (article/letter/editorial) | | including apatite, amphibole, plagioclase, quartz, and titanite. In total, anhydrite inclusions were present in...first observed in products of the 1982 eruption of El Chichon, Mexico (Luhr et al., 1984) and has since...inclusions in several intrusive rocks at Julcani, El Teniente, Santa Rita, Cajon Pass, Bingham, Northparkes...Anhydrite is readily soluble in meteoric water, and at El Chichon it was noted that erupted material was effectively...including amphibole, plagioclase, clinopyroxene, titanite, and apatite. Crystal separates were mounted in |  | | Journal (article/letter/editorial) | | batholith in Nevada, and associated with the Yerington mine and the AnnMason deposit, provide a basis of comparison...(e.g., Yerington and AnnMason in the Yerington district, Nevada: Dilles et al., 2000; Sierrita-Esperanza:...Laramide, mid-Mesozoic) Limit of Basin and Range Province copper deposits post-Laramide cover Laramide...America, showing the limit of the Basin and Range province, the schematic representation of domains that...of porphyry copper deposits, with the Yerington district labeled (modified from Seedorff, 1991; Dickinson |  | 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) | | in a Porphyry Cu System: the El Abra Porphyry Cu Deposit, Northern Chile Downloaded from http://petrology...oxfordjournals.org/ at University of California, San Diego on February 2, 2016 Helen A. Cocker1*, Dianne L...undertaken on samples from the El Abra–Pajonal igneous complex, northern Chile, to investigate the magmatic...the chalcophile elements and the formation of the El Abra porphyry Cu deposit. The PGE have extreme sulfide...magmatic processes governing the evolution of the El Abra–Pajonal suite. Plagioclase fractionation dominated |  | 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 |  | 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...biotite, and hornblende, with accessory magnetite, titanite, ilmenite, apatite, and zircon (Weed, 1912; Sales |  | Khashgerel, B.-E., Rye, R. O., Kavalieris, I., Hayashi, K.-i. (2009) The Sericitic to Advanced Argillic Transition: Stable Isotope and Mineralogical Characteristics from the Hugo Dummett Porphyry Cu-Au Deposit, Oyu Tolgoi District, Mongolia. Economic Geology, 104 (8) 1087-1110 doi:10.2113/gsecongeo.104.8.1087 | Journal (article/letter/editorial) | | Hugo Dummett Porphyry Cu-Au Deposit, Oyu Tolgoi District, Mongolia BAT-ERDENE KHASHGEREL,1,† ROBERT O....porphyry Cu-Au deposits within the Oyu Tolgoi mineral district, Mongolia, occur in a northnortheast–trending...deposits (Lowell and Guilbert, 1970), notably at El Salvador, Chile (Gustafson and Hunt, 1975), concluded that...studies—Lepanto-Far Southeast, Philippines; El Salvador and El Teniente, Chile; Panguna, PNG; Endeavour 26, Australia;...on evidence from the wider Oyu Tolgoi mineral district. In the following descriptions the mineralogy |  | | Journal (article/letter/editorial) | | Volatile Phase Separation in Silicic Magmas at Bajo de la Alumbrera Porphyry Cu-Au Deposit, NW Argentina...2003; accepted on June 2, 2004 Abstract: At the Bajo de la Alumbrera porphyry Cu-Au deposit, NW Argentina...2003a, b), from porphyritic intrusions at the Bajo de la Alumbrera deposit, NW Argentina. These textures...hydrothermal systems. 2. The Bajo de la Alumbrera Deposit The Bajo de la Alumbrera deposit occurs in the...magmatic arc of the central Andes. Magmatism in this district occurred ~200 km to the east of the Miocene magmatic |  | | Journal (article/letter/editorial) | | 1397–1424 Structural Geologic Evolution of the Butte District, Montana Robert A. Houston†,* and John H. Dilles..., Corvallis, Oregon 97331 Abstract The Butte district contains two porphyry Cu-Mo deposits and the younger...southwest Montana. New geologic mapping of the Butte district reveals three distinct episodes of deformation:...that are limited to the northwest part of the district and synchronous with the eruption of the Lowland...produced ~20° of gentle NE tilting (episode I) in the district. The exhumation history of the deposit is therefore |  | | 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...of Chile EDITED BY TERESA MORENO Earth Sciences Institute 'J aume Almera', Consejo Superior de I11vestigaciones...Grosjean 13. Field excursion from central Chile to the Atacama De<,crt. W. Gibbons & -1. Moreno 329 Refere |  | | 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 |  | Ahmed, Ayesha D., Fisher, Louise, Pearce, Mark, Escolme, Angela, Cooke, David R., Howard, Daryl, Belousov, Ivan (2020) A Microscale Analysis of Hydrothermal Epidote: Implications for the Use of Laser Ablation-Inductively Coupled Plasma-Mass Spectrometry Mineral Chemistry in Complex Alteration Environments. Economic Geology, 115 (4). 793-811 doi:10.5382/econgeo.4705 | Journal (article/letter/editorial) | | Daryl Howard,3 and Ivan Belousov1 1Transforming the Mining Value Chain, an ARC Industrial Transformation Research...epidote from the Ann Mason fault block, Yerington district, Nevada, using scanning electron microscopy (SEM)...grains. In the Ann Mason fault block, Yerington district, Nevada (Fig. 1), epidote occurs as part of at...mineralization (epidote + albite ± actinolite ± titanite ± chlorite; Carten, 1986; Dilles and Einaudi,...the Yerington Porphyry Cu District The Yerington porphyry Cu and skarn district is located approximately |  | | Journal (article/letter/editorial) | | Geochemistry of the Porphyry Cu-Au Deposit at Bajo de la Alumbrera, Argentina THOMAS ULRICH,†,* ETH Zürich...as well as the ore mineralization history of Bajo de la Alumbrera, a world-class porphyry copper-gold...east of the main Andean porphyry copper belt of Chile. The deposit consists of a composite stock of dacitic...and have a closely overlapping distribution on the mine scale. A well-developed ore shell coincides with... include the porphyry copper deposits of El Salvador, Chile (Gustafson and Hunt, 1975), Ann Mason, Nevada |  | | Journal (article/letter/editorial) | | Geochemistry of the Porphyry Cu-Au Deposit at Bajo de la Alumbrera, Argentina THOMAS ULRICH,†,* ETH Zürich...as well as the ore mineralization history of Bajo de la Alumbrera, a world-class porphyry copper-gold...east of the main Andean porphyry copper belt of Chile. The deposit consists of a composite stock of dacitic...and have a closely overlapping distribution on the mine scale. A well-developed ore shell coincides with... include the porphyry copper deposits of El Salvador, Chile (Gustafson and Hunt, 1975), Ann Mason, Nevada |  | | Journal (article/letter/editorial) | | massive sulfide deposits in the Tongling district, Anhui Province—Xu Wenyi, Hou Zengqian, Yang Zhusen, Shi...disseminated gold deposits in southwestern Guizhou province, China—Bao Zhiwei, Zhao Zhenhua, and Jayanta Guha...the waste rocks of the abandoned Seobo tungsten mine, Korea—Pyeong-koo Lee, Min-Ju Kang, Sang-Hoon Choi...and J. Brendan Murphy 17 31 BULLETIN DE LA SOCIETE GEOLOGIQUE DE FRANCE Vol. 176, No. 4, 2005 Microbially...tectonothermal domains in the southeast Slave Province: Evidence from the Walmsley Lake area—S. Cairns |  | Correa, Karen J., Rabbia, Osvaldo M., Hernández, Laura B., Selby, David, Astengo, Marcelo (2016) The Timing of Magmatism and Ore Formation in the El Abra Porphyry Copper Deposit, Northern Chile: Implications for Long-Lived Multiple-Event Magmatic-Hydrothermal Porphyry Systems. Economic Geology, 111 (1) 1-28 doi:10.2113/econgeo.111.1.1 | Journal (article/letter/editorial) | | Magmatism and Ore Formation in the El Abra Porphyry Copper Deposit, Northern Chile: Implications for Long-Lived...Astengo4 1 Departamento de Ciencias de La Tierra, Casilla 160-C, Universidad de Concepción, Concepción...Concepción CP 4030000, Chile 2 Instituto GEA, Casilla 160-C, Universidad de Concepción, Concepción CP 4030000...4030000, Chile 3 Department 4 Superintendencia of Earth Sciences, University of Durham, Durham DH1 3LE, UK...UK de Geología, Sociedad Contractual Minera El Abra, Calama CP 1390000, Chile Abstract Zircon LA-ICP-MS |  | Runyon, Simone E., Nickerson, Phillip A., Seedorff, Eric, Barton, Mark D., Mazdab, Frank K., Lecumberri-Sánchez, Pilar, Steele-MacInnis, Matthew (2019) Sodic-Calcic Family of Alteration in Porphyry Systems of Arizona and Adjacent New Mexico. Economic Geology, 114 (4) 745-770 doi:10.5382/econgeo.4661 | Journal (article/letter/editorial) | | Ninetysix Hills in Arizona and the Central mining district in New Mexico. These new occurrences are compared...deposit (Pima district), the Ajo mining district, the Tea Cup pluton (Kelvin-Riverside district), and the...Ninetysix Hills in Arizona and in the Central mining district in New Mexico. These results are used to assess...average elevation of the southern Basin and Range province dropped, the climate became more arid, and in...Kelvin-Riverside district, Arizona The Tea Cup system is located in the Kelvin-Riverside district ~96 km north-northwest |  | | Journal (article/letter/editorial) | | compositionally unique (Al-, Fe-, Nb-, and Zr-rich) titanite from Afrikanda, Russia— Anton R. Chakhmouradian...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, |  | | Book (edition) | | Exploration Team—Target Generation QPX Chile Las Condes, Santiago Chile David I. Groves Department of Geology...new data and references from Argentina, Canada, Chile, China, Iran and the USA, including new maps and...suggestions for the target generation teams of mining v vi companies exploring for world-class gold...Kanowna Belle Gold Mines in Kalgoorlie, PT North Mining Indonesia in Jakarta, TU Bergakademie Freiberg...Billiton in Perth, Singapore and Santiago, and QPX Chile in Santiago for encouraging the completion and revision |  | | Journal (article/letter/editorial) | | Miduk porphyry copper deposit is located in Kerman province, 85 km northwest of the Sar Cheshmeh porphyry...volcanoplutonic belt (Kerman belt) in the Kerman Province is one of the major copper-producing regions in...Belt (modified after Institute for Geological and Mining Exploration and Institution of Nuclear and Other...deposit is located in the Shahr-Babak area in Kerman province, Iran. This deposit is located 85 km NW of the...of the Iranian volcano-plutonic belt in Kerman province. The thickness of this complex is estimated to |
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