 | | Journal (article/letter/editorial) | | bevorzugt. Abstract The high Cordillera of Northern Chile between 18~ and 27 ~ southern latitude is predominated...and NS. Resumen La alta cordillere del norte de Chile est/t formada, entre los 18~ y 27 ~ de latitud sur...der Verfasser einer Einladung der Universidad de Chile und erkundete in Zusammenarbeit mit dem Instituto...Antofagasta und im nfrdliehen Teil der Provinz Atacama zwisehen 18 ~ und 27 ~ siidlieher Breite wird die...fiihrte von Arica--Episeacha-Chapiquifia (8280m) Portezuelo de Chapiquifia (4400m)--Rio Lauca bis in die |  | Mathur, R., Marschik, R., Ruiz, J., Munizaga, F., Leveille, R. A., Martin, W. (2002) Age of Mineralization of the Candelaria Fe Oxide Cu-Au Deposit and the Origin of the Chilean Iron Belt, Based on Re-Os Isotopes. Economic Geology, 97 (1) 59-71 doi:10.2113/gsecongeo.97.1.59 | Journal (article/letter/editorial) | | de GeologĂa y GeofĂsica, Universidad de Chile, Santiago, Chile RICHARD A. LEVEILLE, Phelps Dodge do Brasil...Minera Candelaria, Tierra Amarilla, III Region, Chile Abstract Re-Os isotopes are used to determine the...iron oxide Cu-Au mineralization at Candelaria, Chile, and to explore possible genetic links with the...calculated by Re/Os ratios from hydrothermal magnetite and sulfides constrains an initial 187 Os/188Os...initial 187Os/188Os ratio for sulfide from Bronce mine, a small satellite of the Candelaria orebody, is |  | 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) | | 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...altered rocks are mainly carried by secondary magnetite. In contrast, pervasively altered rocks (i.e....Facultad de IngenierĂa, Universidad de Atacama, Copayapu 485, CopiapĂł, Chile e-mail: karl.riveros@uda.cl K. Riveros...Antofagasta, Chile W. VĂ©liz Minera Escondida Ltd, Avenida de la MinerĂa 501, Antofagasta, Chile magnetite under |  | | Journal (article/letter/editorial) | | the IOCG mineralization at Candelaria, Atacama Region, Chile Robert Marschik & Frank Söllner Received:...major plutons in the vicinity of the Candelaria mine (470 Mt at 0.95% Cu, 0.22 g/t Au, 3.1 g/t Ag) and...110 to 112 Ma) in the CandelariaâPunta del Cobre district. The dated dacite porphyry and hornblende diorite...marschik@lmu.de Keywords CandelariaâPunta del Cobre . Chile . IOCG deposits . UâPb zircon dating Introduction...formed the plutonic rocks south of CopiapĂł, northern Chile (CopiapĂł plutonic complex, e.g., Marschik et al |  | | Journal (article/letter/editorial) | | Cu-Au ores in the Candelaria-Punta del Cobre district, Chile Received: 24 September 2002 / Accepted: 6...igneous rocks of the Candelaria-Punta del Cobre district. Residues of unaltered igneous rocks likely represent...lead of the ores in the CandelariaPunta del Cobre district has the same isotopic composition as the common...Leeds, LS2 9JT UK Keywords Atacama region Ă Candelaria-Punta del Cobre Ă Chile Ă CopiapoÌ Ă Iron oxide Cu-Au...plutons of the Candelaria-Punta del Cobre district near CopiapoÌ, Chile. The rocks in the area experienced hydrothermal |  | | Journal (article/letter/editorial) | | Escondida Porphyry Copper Deposit, Antofagasta Region, Chile RUBEN A. PADILLA GARZA,â BHP Minerals and Department...Antofagasta, Chile Abstract The Escondida porphyry copper deposit, located in northern Chile, was one of...basement of the Precordillera de Domeyko province in northern Chile. We propose that the intrusive stock...of stage one. This early alteration contains magnetite, chalcopyrite, and bornite, with less than 0.5...the Escondida porphyry copper deposit in northern Chile (Fig. 1), which currently is one of the two largest |  | | Journal (article/letter/editorial) | | Candelaria-Punta del Cobre Iron Oxide Copper Gold district, Northern Chile Irene del Real, John F.H. Thompson, Jorge...Candelaria-Punta del Cobre Iron Oxide Copper Gold district, Northern Chile, Ore Geology Reviews (2018), doi: https://doi...Candelaria-Punta del Cobre Iron Oxide Copper Gold district, Northern Chile Irene del Real (1), John F.H. Thompson...Candelaria-Punta del Cobre district is the largest Iron-Oxide Cu and Au (IOCG) district in the Chilean IOCG...Norte, Granate, Alcaparrosa, Atacama Kozan, Las Pintadas). The district, which is characterized by an |  | | Book (volume) | | After moving to Australia in ă 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....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...Cook and Porter;all in this publication) and in Chile, Argentina and Peru in South America (see Camus; |  | | Journal (article/letter/editorial) | | crystal chemistry of micas from the A-type El Portezuelo Granite and related pegmatites, Catamarca (NW...84602, USA Corresponding author The A-type El Portezuelo Pluton (Catamarca, NW Argentina) is parental...compared with the dioctahedral rims. Micas in El Portezuelo are the most important F-bearing species (for...is the epizonal El Portezuelo Pluton, located in BelĂ©n Department (Catamarca Province), slightly east of...Papachacra Granite. Only samples from the El Portezuelo stock were analyzed. Since the early 1990âs, |  | | Journal (article/letter/editorial) | | Geologic Evolution of the Escondida Area, Northern Chile: A Model for Spatial and Temporal Localization of...has been carried out over a 745-km2 area of the Atacama Desert surrounding the porphyry Cu deposits at...and Chimborazo (Cordillera de Domeyko, northern Chile). The purpose of this study was to examine the regional...magmatic setting of this preeminent porphyry Cu district for evidence of features or processes that might...throughout much of the porphyry belt of northern Chile. Geochemically, they are I-type in character, but |  | Ford, A., Hagemann, S.G., Fogliata, A.S., Miller, J.M., Mol, A., Doyle, P.J. (2015) Porphyry, epithermal, and orogenic gold prospectivity of Argentina. Ore Geology Reviews, 71. 655-672 doi:10.1016/j.oregeorev.2015.05.013 | Journal (article/letter/editorial) | | deposits such as those in the El IndioâPascua gold district which hosts the Veladero and Pascua-Lama high...side of the border), and the Deseado Massif gold district which hosts, amongst others, the Cerro Vanguardia...Massif. Below a brief description of the regional district geology and deposit setting is provided. For a...detailed references provided. Note that in each gold province only major deposits or deposits that have been...Hagemann (2011a). 2.1. North-western Argentina gold district in Juyuy, Salta and Catamarca provinces (Orogenic) |  | Salazar, Eduardo, Barra, Fernando, Reich, Martin, Simon, Adam, Leisen, Mathieu, Palma, Gisella, Romero, Rurik, Rojo, Mario (2020) Trace element geochemistry of magnetite from the Cerro Negro Norte iron oxideâapatite deposit, northern Chile. Mineralium Deposita, 55 (3) 409-428 doi:10.1007/s00126-019-00879-3 | Journal (article/letter/editorial) | | geochemistry of magnetite from the Cerro Negro Norte iron oxideâapatite deposit, northern Chile Eduardo Salazar...the Chilean Iron Belt, northern Chile. The Cerro Negro Norte magnetite ore is hosted in andesitic rocks...alteration episodes: an early Feâoxide event with magnetite and actinolite followed by four stages that comprise...comprise the main hydrothermal event (hydrothermal magnetite + actinolite; calcicâsodic alteration + sulfides;...chemical characteristics, four different types of magnetite are recognized at Cerro Negro Norte: type I, represented |  | | Journal (article/letter/editorial) | | Processes in the El Indio-Pascua Au-Ag-Cu Belt, Chile and Argentina THOMAS BISSIG,* ALAN H. CLARK,â JAMES...the enormous erosion surfaces of the Atacama desert of northern Chile and southern Peru, are considered...on supergene processes in the Andes of northern Chile and southern Peru has long been recognized (e.g...Indio-Pascua gold-silver-copper belt which straddles the Chile-Argentina frontier along the tectonic and physiographic...than 90 igneous and alteration minerals from the district. These new ages, documented in detail by Bissig |  | | Journal (article/letter/editorial) | | association at Bajo de la Alumbrera, Catamarca Province, Argentina D. Miiller 1'* and P. Forrestal 2 1pT...coppergold deposit is situated in the Catamarca Province of Northwest-Argentina and belongs to the ten...Central Volcanic Zone of southeast Peru, northeast Chile and northwest Argentina. Potassic igneous rocks...stratovolcanoes along sections of the Argentina-Chile frontier (Sillitoe, 1977). The Bajo de la Alumbrera...SerenaO âą Andl~tcoll0 I q âą Porphyry Cu mine Epithermal Au-Agâą Cu mine [] Miocenevolcanic rocks t,,, 300 |  | | Journal (article/letter/editorial) | | described in the Valle del RĂo de los Patos, San Juan province. Geochemical data suggests subduction-related...in Precordillera (Fig. 1a), whereas in NeuquĂ©n province represents the basement of the JurassicâCretaceous...NeuquĂ©n Basin. In the Cordillera del Viento, NeuquĂ©n province, Groeber (1946, 1951) named the volcanic rocks...al. (1997) divided in several formations. The Portezuelo del Cenizo Formation was considered as an early...(Harrington, 1941) separates Choiyoi Group and Portezuelo del Cenizo Formation. CortĂ©s et al. (1997) included |  | | 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...History of the RĂo Blanco-Los Bronces District, Central Chile: Development of Worldâs Greatest Known...Chuquicamata District, Northern Chile Geologic Overview of the Escondida Porphyry Copper District, Northern...Northern Chile Geology of the Bingham Canyon Porphyry Cu-Mo-Au Deposit, Utah Geology and Exploration Progress |  | | 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...information was obtained from Mapa GeoloĂgico de Chile (1982) and Mapa GeoloĂgico de la RepuĂblica Argentina...sections) perpendicular to the axis of the Peru±Chile trench, which enabled us to distinguish between |  | | Journal (article/letter/editorial) | | Cordillera) extending into southern Bolivia, northeastern Chile, and southwestern Peru. Exposures are much more...with rhyolites in the easternmost sector of this province. The period of convergence ended with a continental...high Andean Cordillera and the Coast Ranges of Chile. INTRODUCTION Lower Paleozoic magmatism in South...Argentina extending into southern Bolivia, northeastern Chile, and coastal areas of southwestern Peru. Igneous...Geochronometry (Ma) Magmatic Cycles L âąSAN RAFAEL E â ATACAMA 290 >GONDWANAN L E âąSOMUNCURA L âąCHANICA |  | | Show/Event (guide) | | 10:30-11:30 NEW MINERALS AND OLD MINES OF ATACAMA, CHILE - Dr. Georg Gebhard Dr. Georg Gebhard spoke...i a n tourmaline occurrences in the Grenville Province byT.S.Ercit andR.A. Gault 5:15 T o u r m a l i...pseudomorphs, minerals from the Second Sovietskiy mine, Dal'negorsk, Russia, and manganoan calcite. About...r a p h y of carrollite from the Kamoya South II mine, Democratic Republic of Congo by V. King andR.L...10:30 T h e Fengjiashan Wollastonite mine, Daye County, Hubei Province, China by B. Opens 10:45 N e w Ontario |  | Lira, R., Galliski, M. A., Bernard, F., Roquet, M. B. (2012) The Intragranitic Potrerillos NYF Pegmatites and Their a-Type Host Granites of the las Chacras - Potrerillos Batholith, Sierra de San Luis, Argentina. The Canadian Mineralogist, 50 (6) 1729-1750 doi:10.3749/canmin.50.6.1729 | Journal (article/letter/editorial) | | in the Sierras Pampeanas Orientales of San Luis Province, Argentina, consist of mediumsized bodies with...mineralogist Introduction The Conlara pegmatite district (Galliski 1994a, 1999) is located in the Sierra...geological province, in the northern zone of San Luis province, central Argentina. The district contains...industry is still provided today by the Conlara district. The intragranitic pegmatites near Potrerillos...comparatively more widespread LCT pegmatites of the district, hosted by metamorphic country-rocks. The Potrerillos |  | | Book (edition) | | relacionados con la faja ultrabĂĄsica y la escama de alto metamorfismo de la Sierra de FiambalĂĄ, provincia...Symposium of Andean and Antartic volcanogenic problems. Chile. (4)- Angelelli, V., Brodtkorb, M.K. de, Gordillo...(3)- Alderete, M., 1999. Distrito FarallĂłn Negro â Alto de la Blenda, Catamarca. . En: Recursos Minerales...Polymetallic Ag-Te bearing paragenesis of the Cerro Negro district, Famatina range, La Rioja, Argenrina. The Canadian...inferior: mina Aguilar, Argentina. Revista GeolĂłgica de Chile, 21 (1): 71-90. SELENIO (SELENIUM) Se Nombre: |  | | Journal (article/letter/editorial) | | Attributes at Chuquicamata CuâMo Porphyry Deposit, Chile HĂ©ctor VĂLIZ, Eduardo CAMPOS, Andrew MENZIES and...Departamento de Ciencias GeolĂłgicas, Antofagasta, Chile Abstract The distribution of mineral zones, hydrothermal...characteristically observed in the south wall of the mine. All of the above events combine to yield the ïŹnal...GeolĂłgicas, Avenida Angamos 0610, Antofagasta, 1270709, Chile. Email: hectorveliz@me.com © 2017 The Society of...2.0 and 233.1 ± 2.2 Ma samples taken outside the mine. Although the ESZ and the WFZ are relevant for the |  | | Journal (article/letter/editorial) | | Cacheuta Vein-Type Se Mineralization, Mendoza Province, Argentina GĂŒnter Grundmann 1 and Hans-JĂŒrgen...Cacheuta vein-type Se mineralization in the Mendoza Province predominantly consists of clausthalite, klockmannite...from Cacheuta from Argentinian Se deposits in the Province of La Rioja: (I) trachytic host rock fragments...selenium mineralization in the Sierra de Cacheuta district, also known as el Cerro de Cacheuta, Minerals... Minerals 2018, 8, 127 2 of 22 in the Mendoza Province. Sierra de Cacheuta is the type locality of achavalite |  | | 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...Grosjean 13. Field excursion from central Chile to the Atacama De<,crt. W. Gibbons & -1. Moreno 329 |  | | Journal (article/letter/editorial) | | Washington, DC 20513 pohwatp@si.edu FLUORITE Elmwood Mine, Carthage, Smith County, Tennessee R egular readers...Fluorite with sphalerite, 8.8 cm high, from the Elmwood mine, Smith County, Tennessee. Note the gemmy corners...cleaved off. The pieces are all from the fluorspar district, Hardin County, Illinois. Cincinnati Museum Center...Ivigtut (modernized to Ivittuut), Frederikshaab district, Kitsa, Greenland, is noted more for the exotic...to describe is difficult. The Burnt Hill tungsten mine, York County, New Brunswick, is located in a metamorphic |
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