 | | 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...of a given by the homogeneousnature of the Butte quartz chemical element in a rock we must consider the |  | | 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 José Perelló, Richard H. Sillitoe, Constantino...of the Río Blanco-Los Bronces District, Central Chile: Development of World’s Greatest Known Concentration...Northern Chile Geologic Overview of the Escondida Porphyry Copper District, Northern Chile Geology of...N. Moreto, André Luiz Silva Pestilho, Mineral Province, Brazil Gustavo Henrique Coelho de Melo, Marco |  | | 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...Ulriksen (1990) for the northern and central part of Chile and from Mapa Minero (1966) for the northwestern...obtained from Mapa GeoloÂgico de Chile (1982) and Mapa GeoloÂgico de la RepuÂblica Argentina (1982). Morphology...sections) perpendicular to the axis of the Peru±Chile trench, which enabled us to distinguish between |  | | 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. “South-west”， and in northern Chile and southern Peru，and were Cu-Mo orebodies (Gilmour |  | 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) | | in the El Abra Porphyry Copper Deposit, Northern Chile: Implications for Long-Lived Multiple-Event Magmatic-Hydrothermal...Ciencias de La Tierra, Casilla 160-C, Universidad de Concepción, Concepción CP 4030000, Chile 2 Instituto...Universidad de Concepción, Concepción CP 4030000, Chile 3 Department 4 Superintendencia of Earth Sciences...Contractual Minera El Abra, Calama CP 1390000, Chile Abstract Zircon LA-ICP-MS and CA-TIMS and molybdenite Re-Os...geochronology for the El Abra porphyry copper deposit (Chile) document a ~8.6 Ma protracted magmatic-hydrothermal |  | 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 JOSÉ PERELLÓ,† Antofagasta Minerals S.A. Ahumada 11, Oficina 602, Santiago, Chile VÍCTOR CARLOTTO...Universidad Nacional San Antonio Abad del Cuzco. Avenida de la Cultura, Cuzco, Perú ALBERTO ZÁRATE, PEDRO RAMOS...CABALLERO, Minera Anaconda Perú S.A. Avenida Paseo de la República 3245, Piso 3, San Isidro, Lima 27, Perú...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 |  | Cornejo, Paula, Tosdal, Richard M., Mpodozis, Constantino, Tomlinson, Andrew J., Rivera, Orlando, Fanning, C. Mark (1997) El Salvador, Chile Porphyry Copper Deposit Revisited: Geologic and Geochronologic Framework. International Geology Review, 39 (1) 22-54 doi:10.1080/00206819709465258 | Journal (article/letter/editorial) | | http://www.tandfonline.com/loi/tigr20 El Salvador, Chile Porphyry Copper Deposit Revisited: Geologic and...Mineria , Avenida Santa Maria, Santiago, 0104, Chile b U.S. Geological Survey , 345 Middlefield Road...Mineria , Avenida Santa Maria, Santiago, 0104, Chile d Australian National University , Canberra, Australia...Orlando Rivera & C. Mark Fanning (1997) El Salvador, Chile Porphyry Copper Deposit Revisited: Geologic and...& Son, Inc. All rights reserved. El Salvador, Chile Porphyry Copper Deposit Revisited: Geologic and |  | | Report (chapter) | | this study was that it was technically feasible to mine the deposit as an open pit operation at a scale...itself of all its mining assets and in 1986 Anaconda Chile was acquired by the Luksic Group. Montagu Mining...the mining industry, that had been completed in Chile was for $35 M and it was MMF's view that the Chilean...the target for initial mining and at present the mine is being operated as a 5000 tpd underground operation...2015 250 J. O'LEARY drilling. In 1983 Anaconda Chile (then a subsidiary of the American oil company Atlantic |  | Mohebi, Aida, Mirnejad, Hassan, Lentz, David, Behzadi, Mehrdad, Dolati, Asghar, Kani, Anoshiravan, Taghizadeh, Hossain (2015) Controls on porphyry Cu mineralization around Hanza Mountain, south-east of Iran: An analysis of structural evolution from remote sensing, geophysical, geochemical and geological data. Ore Geology Reviews, 69. 187-198 doi:10.1016/j.oregeorev.2015.02.016 | Journal (article/letter/editorial) | | continuous, calc-alkaline, Eocene–Miocene igneous province (Fig. 1), locally associated with and dissected...transitions into granodiorite porphyries, diorite porphyries, and quartz diorite porphyries, are cut by numerous...intermediate in composition, such as granodiorite, diorite or andesite; (2) genesis occurs from multiple igneous...pyrite within fracture fillings, disseminations and quartz veins. Zoning patterns can differ slightly between...Sarmeshk at 57°08′E & 29°24′N. A porphyritic quartz diorite intrusion, covering an area of about 2 km2 |  | | Book | | Radomiro Tomic Porphyry Copper Deposit, Northern Chile. Patricio Cuadra and Francisco Cam us.............Agua Rica Porphyry Cu-Mo-Au Deposit，Catamarca 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 |  | | 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 Indonesia...regional faults such as near deposits in northern Chile (Behn and others, 2001; Gow and Walshe, 2005), central...others, 2007). In the thermal infrared region, quartz and hydrous silica contain emission minima near...abundant gangue silicate and oxide minerals are quartz, K-feldspar, biotite, muscovite (sericite), magnetite |  | | Journal (article/letter/editorial) | | ppm, Yb ≤1.9 ppm, Ni ≥20 ppm, Cr ≥30 ppm, Sr/Y ≥20, La/Yb ≥20, and 87Sr/86Sr ≤0.7045. Rocks with such compositions...as low Y and Yb concentrations and high Sr/Y and La/Yb ratios, can be generated in normal asthenosphere-derived...Kay (1978), these rocks were characterized by high La/Yb ratios (i.e., high ratios of light rare earth...Rapp and Watson (1995); the HREE depletions (high La/Yb ratios) indicated residual garnet in the source...(1986), Drummond and Defant (1990) also used a plot of La/Yb versus Yb (Fig. 1b) to emphasize the strong HREE |  | Valencia, V. A., Ruiz, J., Barra, F., Geherls, G., Ducea, M., Titley, S. R., Ochoa-Landin, L. (2005) U–Pb zircon and Re–Os molybdenite geochronology from La Caridad porphyry copper deposit: insights for the duration of magmatism and mineralization in the Nacozari District, Sonora, Mexico. Mineralium Deposita, 40 (2) 175-191 doi:10.1007/s00126-005-0480-1 | Journal (article/letter/editorial) | | U–Pb zircon and Re–Os molybdenite geochronology from La Caridad porphyry copper deposit: insights for the...ablation multicollector ICP-MS spot analysis) ages from La Caridad porphyry copper deposit in the Nacozari District...and 52.6 Ma. Two U–Pb ages from the mineralized quartz monzonite unit, showing different textural characteristics...Jurassic-Mid Cretaceous age found in the intrusive rocks of La Caridad deposit, can be explained considering two...Mesozoic (Jurassic–Cretaceous) units present beneath the La Caridad deposit. The second scenario suggests that |  | | 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 |  | | Report (issue) | | sodium compounds BRI brine P phosphates C coal QTZ quartz F fluorite TLC talc GRF graphite VRM vermiculite...Evaporite Na Trona Salt Fluorite Vein Limestone Quartz USGS MODEL NUMBER The number corresponding to...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, |  | | 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 . . . . . |  | Simón, Valeria, Arnosio, Marcelo, Trumbull, Robert B., Caffe, Pablo, Rocholl, Alexander, Sudo, Masafumi, Lucassen, Friedrich, Huidobro, Facundo (2021) Geology, geochemistry and geochronology of Lindero porphyry gold deposit in the Southern Puna plateau, Argentina. Journal of South American Earth Sciences, 105. 103047pp. doi:10.1016/j.jsames.2020.103047 | Journal (article/letter/editorial) | | K-feldspar + quartz + 37 calcite ± plagioclase), (ii) K-silicate (K-feldspar + quartz + magnetite ±...and scarce quartz 56 phenocrysts (40 to 55 vol. % of phenocrysts) in a K-feldspar ± quartz microcrystalline...porphyry gold deposits in the 69 Maricunga belt, Chile, and with the porphyry copper deposits of Argentina...porphyry copper deposits in the frontal-arc setting of Chile, notably by the lack 71 of an adakite-like signature...uncommon. They were defined in the Maricunga belt of Chile in the early 79 1980s (Vila et al., 1991; Vila |  | | Journal (article/letter/editorial) | | Peru–north-central Chile (12) Southeastern Peru-eastern Chile (13) Eastern Chile-easternmost Argentina (14) Chile-western...Peru) as well as broad volcanic arcs (e.g., eastern Chile and western Argentina), and at more locations than...Philippines, 1963; Sillitoe and Gappe, 1984). In Chile, deposits formed at the volcanic front (e.g., El...formed in a second volcanic chain (e.g., Bajo de la Alumbrera; cf. Sasso and Clark, 1998), approximately...manner of fans or horsetails (e.g., Chuquicamata, Chile; Lopez, 1942; Lindsay, 1997). Broad volcanic arcs |  | | Journal (article/letter/editorial) | | mineralisation zones) from 33 porphyry copper deposits in Chile, Peru, Argentina, USA, Canada, Serbia, Greece, Bulgaria...1 Chuquicamata; 2 La Escondida; 3 E1 Salvador; 4 Andina; 5 E1 Teniente (Chile); 6 La Granja (Peru); 7...Deposit/sample CHILE Chuquicamata* La Escondida* E1 Salvador* Andina* E1 Teniente* PERU La Granja* ARGENTINA... Platinum-group elements in porphyry copper deposits CHILE: Chuquicamata La E s c o n d i d a g:gg:;:vm ~TTTTTT~ ...Salvador Andina 167 NN N~N El Teniente PERU: La Granja ARGENTINA: A l u m b r e r a USA: ' JJ' |  | | 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 |  | | Report (issue) | | literature. An example was with the Osamu Utsumi mine in Brazil. This deposit has been reported in the...The given name for the occurrence or deposit. PROVINCE The major region political subdivision of the...producer. Mine A mine is a deposit from which ore is currently being recovered. Depleted Mine A depleted...depleted mine is, a mine-out or depleted ore deposit with insufficient Reasonably Assured Resources recoverable...support further production. Inactive Mine An inactive mine is a closed mine with remaining Reasonably Assured |  | | Journal (article/letter/editorial) | | sulfate in the magma source. The δ18OSMOW values for quartz veins in the phyllic assemblage define a narrow...2). It is cut by several dikes of tonalite to diorite composition in the Takht area. Pliocene volcanic...been transformed into an assemblage dominated by quartz, epidote, tremolite and chlorite (Fig. 4d). The...phenocrysts of quartz, plagioclase, biotite and minor hornblende, 0.5–1 mm in size, in a fine quartz-feldspar...altered and fractured, and is distinguished by dense quartz-sulfide stockworks (Fig. 4b). The Ogd2 occurs as |  | | Journal (article/letter/editorial) | | of focused fluid flow, as evidenced by abundant quartz veins, widespread wall-rock alteration, or porphyry...batholith in Nevada, and associated with the Yerington mine and the AnnMason deposit, provide a basis of comparison...of the following hydrothermal characteristics: quartz veins and potassic alteration, sodic-calcic and...and relatively coarse grained muscovite-quartz (greisen). Quartz veins and potassic alteration are focused...Laramide, mid-Mesozoic) Limit of Basin and Range Province copper deposits post-Laramide cover Laramide |  | | Book (volume) | | 80301 Cover Photo: Chapter 20. 10 La Caridad Copper Mine, I. Salas, Guillermo P. 90-28579 ■ ...geothermal field, Puebla F. Romero R. . 77 8. La Primavera geothermal field, Jalisco . Saul Vengas...173 15. Baja California Peninsula Metallogenic Province . 177 16. Summary of structural and stratigraphic...Geology and mineral deposits of the El Boleo copper mine, Santa Rosalia district, Baja California Sur . Ivan...195 18. Sierra Madre Occidental Metallogenic Province . Guillermo P. Salas 197 19. Cananea copper |  | | Book | | Associated with Volcanogenic Massive Sulfides, Fukazawa Mine, Hokuroku District, Japan St.1. KALOGEROPOULOS and...evidence they find in the barite zone at the Fukazawa mine as indicating the mixing of a circulating barium-rich...diagenesis, but before induration and formation of quartz overgrowth. The copper has been redistributed,...Hornfels D Ma jor Cu-Ni 47" o I 50KM , Fig. lA, B. Index (A) and generalized geologic map (B) of...contamination. Earth Planet Sci Lett 61 :97 -111 Kovach LA, Marsh BD (1981) Magma flow rate and partial fusion |
|
