 | | Journal (article/letter/editorial) | | Copper and TourmalineBrecciasat Los Bronces-Rio Blanco, Chile FRED W. WARNAARS, EssoPapuaNew GuineaInc....CondesS.A,Casilla16178, Correo9, Providencia,Santiago,Chile Abstract The Los Bronces-RioBlancodepositis...west sideof an earliermajorporphyrycoppersystem.The Rio Blancominecurrentlyexploitsthe north-central part...0361-0128/85/442/1544-22$2.50 15 4 4 LOSBRONCES-RIO BLANCO: Cu& TOURMALINE BRECCIAS Introduction 1545 ...MineralsCompany,islocatedin the highAndesabout 69 km from Santiago(Fig. 1). The presentopen pit isat the northendof |  | | Journal (article/letter/editorial) | | porphyry copperdepositsin the E1 Teniente (Braden), Rio Blanco, and Los Bronces (Disputada) mines. Therefore...conclusions, thoughbasedon the study at E1 Teniente, Rio Blanco, and Los Bronces,may alsobe applicableto other...phyllic alterationzonesis minerals are K-feldspar, biotite, sericite, quartz, typicallysharp,and may be due...of E1 Teniente, Rio Blanco, and Los Bronces mines. Modified from Mapa Geo16gicade Chile, Instituto de ...BRECCIA PIPE I Diamond drill hole. DACITEPORPHYRY Mine workings. QUARTZDIORITE Location of sections |  | | Journal (article/letter/editorial) | | Structural Evolution of the Rio Blanco-Los Bronces District, Andes of Central Chile: Controls on Stratigraphy... de Exploraciones, Codelco Chile, HuĂ©rfanos 1279 piso 8, Santiago, Chile Abstract The late Miocene to...to early Pliocene mineralized centers of the Rio Blanco-Los Bronces porphyry copper cluster constitute...evolution of the Main Cordillera of central Chile in the Rio Blanco-Los Bronces district and its relationship...Farellones Formation and the emplacement of the Rio Blanco-San Francisco batholith, the last pulses of which |  | | Journal (article/letter/editorial) | | Miocene to Pliocene Copper Deposits of Central Chile in the Context of Andean Magmatic and Tectonic Evolution...Miocene to Pliocene Copper Deposits of Central Chile in the Context of Andean Magmatic and Tectonic Evolution...Miocene to Pliocene Copper Deposits of Central Chile in the Context of Andean Magmatic and Tectonic Evolution...Los Bronces-RĂo Blanco, and El Teniente of central Chile. At Los Bronces-RĂo Blanco, over 90% of the...breccias. At both Los Pelambres and Los Bronces-RĂo Blanco, high-grade (>0.5%) Cu occurs in zones of potassic |  | | Journal (article/letter/editorial) | | geochronological data from the Los Bronces cluster of the RĂo Blanco-Los Bronces mega-porphyry Cu-Mo district establish...y MatemĂĄticas, Universidad de Chile, Plaza Ercilla 803, Santiago, Chile e-mail: kdeckart@cec.uchile.cl...Universidad de Chile, Av. Tupper 2007, Santiago, Chile W. Silva Av. Colon 6275, Santiago, Chile e-mail: wsilva67@gmail...Baquedano 902, Iquique, Chile e-mail: cpsprohnle@collahuasi.cl I. Vela Anglo American Chile, Pedro de Valdivia...Valdivia 291, Santiago, Chile e-mail: ivan.vela@angloamerican.com Los Bronces (LB) open-pit area, the present |  | | Journal (article/letter/editorial) | | Cordillera o f Central Chile (33 ~ - 40 ~ S. L.) By MARIOVERGAI~,Santiago de Chile *) With 4 figures and...h6heren Alter land man ira Gebiet yon Bio Blanco (Santiago) und die jiingsten im Gehiet von Cola de Zorro...des Mesozoikums und K~inozoikums. Im Gebiet yon Rio Blanco handelt es sich um Ignimbrite rhyolitiseher und...Cordillera of Central Chile (880--40 ~ S. L.)have shown a widespread distribution around the Chile-Argentina border...m. y. K/Ar). The older ages are found in Rio Blanco (Santiago) area and the younger in the Cola de Zorro |  | Davidson, P., Kamenetsky, V., Cooke, D. R., Frikken, P., Hollings, P., Ryan, C., Van Achterbergh, E., Mernagh, T., Skarmeta, J., Serrano, L., Vargas, R. (2005) Magmatic Precursors of Hydrothermal Fluids at the Rio Blanco Cu-Mo Deposit, Chile: Links to Silicate Magmas and Metal Transport. Economic Geology, 100 (5) 963-978 doi:10.2113/gsecongeo.100.5.963 | Journal (article/letter/editorial) | | Precursors of Hydrothermal Fluids at the RĂo Blanco Cu-Mo Deposit, Chile: Links to Silicate Magmas and Metal Transport...CODELCO-Chile, Gerencia Exploraciones, Santiago, Chile LUIS SERRANO, AND RICARDO VARGAS CODELCO-Chile, Division...Division Andina, Saladillo, Chile Abstract In most porphyry systems the obscuring effects of hydrothermal...postmineral rhyolitic units from the RĂo Blanco Cu-Mo deposit, Chile. These inclusions demonstrate the existence...proportions of melt and aqueous fluid found at RĂo Blanco. We demonstrate the sequestering of metals into |  | Frikken, P. H., Cooke, D. R., Walshe, J. L., Archibald, D., Skarmeta, J., Serrano, L., Vargas, R. (2005) Mineralogical and Isotopic Zonation in the Sur-Sur Tourmaline Breccia, Rio Blanco-Los Bronces Cu-Mo Deposit, Chile: Implications for Ore Genesis. Economic Geology, 100 (5) 935-961 doi:10.2113/gsecongeo.100.5.935 | Journal (article/letter/editorial) | | Sur-Sur Tourmaline Breccia, RĂo Blanco-Los Bronces Cu-Mo Deposit, Chile: Implications for Ore Genesis*...CODELCO-Chile, Gerencia Exploraciones, Santiago, Chile LUIS SERRANO, AND RICARDO VARGAS CODELCO-Chile, Division...Division Andina, Saladillo, Chile Abstract The Sur-Sur tourmaline breccia is located in the southeast...part of the RĂo Blanco-Los Bronces porphyry copper-molybdenum deposit, central Chile. The breccia hosts...the total resource of 57 Mt of fine copper at RĂo Blanco. The breccia is hosted within, and contains altered |  | | Book (volume) | | Manager and Chief Geologist for CRA, subsequently Rio Tinto, responsible for project generation and evaluation...sadly missed and fondly remembered. Bruce Harvey Rio Tinto Limited SU PER PORPHYRY C O PPER AND GOLD...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;...papers have been grouped by volume and geographic region, namely those relating to South America (the Andean |  | | Journal (article/letter/editorial) | | FELSIC MELT-FLUID EVOLUTION WITHIN THE RIO BLANCO PORPHYRY SYSTEM, CHILE: EVIDENCE FROM INCLUSIONS IN MAGMATIC...Abstract The 5.2 to 3.9 Ma late porphyries at Rio Blanco are spatially associated with hydrothermal tourmaline-cemented...metals. The occurrence of immiscibility in the Rio Blanco rhyolites may be in some ways comparable to that...postdate mineralized rocks at the Rio Blanco Cu-Mo deposit in Chile. We demonstrate that quartz-hosted...Descriptions The Rio Blanco-Los Bronces Cu-Mo deposit, located in the Andes in central Chile approximately |  | Crespo, Jorge, Reich, Martin, Barra, Fernando, Verdugo, Juan, MartĂnez, Claudio (2018) Critical Metal Particles in Copper Sulfides from the Supergiant RĂo Blanco Porphyry CuâMo Deposit, Chile. Minerals, 8 (11) 519 doi:10.3390/min8110519 | Journal (article/letter/editorial) | | Sulfides from the Supergiant RĂo Blanco Porphyry CuâMo Deposit, Chile Jorge Crespo 1,2, * , Martin Reich...MatemĂĄticas, Universidad de Chile, Plaza Ercilla 803, Santiago 8370450, Chile; mreich@cec.uchile.cl (M.R...FĂsicas y MatemĂĄticas, Universidad de Chile, Santiago 8370450, Chile Codelco DivisiĂłn Andina, Avenida Santa...Santa Teresa, N⊠513 Los Andes, V RegiĂłn 2102660, Chile; jverdugo@codelco.cl (J.J.V.); cmart006@codelco...the world, the supergiant RĂo Blanco-Los Bronces deposit in central Chile. Field emission scanning electron |  | | Journal (article/letter/editorial) | | eastern central Patagonian Cordillera plutons, Chile (45°â48° S) M. SUĂREZ* & R. DE LA CRUZ Servicio...GeologĂa y MinerĂa, Avenida Santa MarĂa 0104, Santiago, Chile (Received 20 January 2000; accepted 14 September...eastern satellite plutons of the AysĂ©n Region, of southern Chile between latitudes 45° and 48° S, combined...activity, followed by intermittent magmatism. Biotite KâAr dates of c. 143â151 and 106â109 Ma, from cataclastic...data on magmatic rocks from the region between 45° and 48° S in Chile shows a gap in Palaeocene ages that |  | Crespo, Jorge, Reich, Martin, Barra, Fernando, Verdugo, Juan JosĂ©, MartĂnez, Claudio, Leisen, Mathieu, Romero, Rurik, Morata, Diego, Marquardt, Carlos (2020) Occurrence and Distribution of Silver in the World-Class RĂo Blanco Porphyry Cu-Mo Deposit, Central Chile. Economic Geology, 115 (8). 1619-1644 doi:10.5382/econgeo.4778 | Journal (article/letter/editorial) | | Silver in the World-Class RĂo Blanco Porphyry Cu-Mo Deposit, Central Chile Jorge Crespo,1,2,â ,* Martin...MatemĂĄticas (FCFM), Universidad de Chile, Plaza Ercilla 803, Santiago 8370450, Chile 2Millennium Nucleus for...MatemĂĄticas (FCFM), Universidad de Chile, Santiago 8370450, Chile 3CODELCO, DivisiĂłn Andina, Avenida...Avenida Santa Teresa, No. 513 Los Andes, V RegiĂłn, Chile 4Department of Mining Engineering and Department...Universidad CatĂłlica de Chile, Av. Vicuña Mackenna 4860, Santiago 7820436, Chile Abstract Porphyry Cu-Mo |  | Piquer, Jose, Hollings, Pete, Rivera, Orlando, Cooke, David R., Baker, Michael, Testa, Francisco (2017) Along-strike segmentation of the Abanico Basin, central Chile: New chronological, geochemical and structural constraints. Lithos, 268. 174-197 doi:10.1016/j.lithos.2016.10.025 | Journal (article/letter/editorial) | | Along-strike segmentation of the Abanico Basin, central Chile: New chronological, geochemical and structural constraints...Along-strike segmentation of the Abanico Basin, central Chile: New chronological, geochemical and structural constraints...Along-strike segmentation of the Abanico Basin, central Chile: PT new chronological, geochemical and structural...Austral de Chile, Edificio PugĂn, Av. Eduardo NU SC a Morales Miranda, Valdivia, Chile Department...Mineras Andinas S.A., Apoquindo 4775 of. 602, Santiago, Chile D d TMVC (Transforming the Mining Value |  | Reich, Martin, Parada, Miguel A., Palacios, Carlos, Dietrich, Andreas, Schultz, Frank, Lehmann, Bernd (2003) Adakite-like signature of Late Miocene intrusions at the Los Pelambres giant porphyry copper deposit in the Andes of central Chile: metallogenic implications. Mineralium Deposita, 38 (7) 876-885 doi:10.1007/s00126-003-0369-9 | Journal (article/letter/editorial) | | porphyry copper deposit in the Andes of central Chile: metallogenic implications Received: 12 November...Pelambres giant porphyry copper deposit, central Chile (32S). Located within the southern portion of the... Universidad de Chile, Plaza Ercilla #803, Correo 21, 13518 Santiago, Casilla, Chile E-mail: maparada@cec...(Cathles 1981; Sawkins 1990). The Andes of central Chile host some of the worldâs largest porphyry copper...copper deposits, such as El Teniente, RıÌo Blanco-Los Bronces and Los Pelambres. These deposits were formed |  | | Book | | Bingham Canyon copper mine, Kennecott Utah Copper, September 2003. Photo courtesy of Rio Tinto plc. SPONSOR...of Economic Geologists Publications Board thanks Rio Tinto Exploration for its generous financial support...and CopperGold Deposits at Los Pelambres, Central Chile JosĂ© PerellĂł, Richard H. Sillitoe, Constantino...Magmatic-Hydrothermal History of the RĂo Blanco-Los Bronces District, Central Chile: Development of Worldâs Greatest...Northern Chile Geologic Overview of the Escondida Porphyry Copper District, Northern Chile Geology of |  | | Journal (article/letter/editorial) | | giant Mio-Pliocene RĂo Blanco-Los Bronces porphyry CuâMo cluster, Central Chile: new UâPb (SHRIMP II)...1 % Cu and 0.02 % Mo) porphyry system, the RĂo Blanco-Los Bronces deposit incorporates at least five...the RĂo Blanco and Los Bronces mines in the north, through the Don Luis mine, to the Sur Sur mine, La Americana...GeologĂa, Universidad de Chile, Plaza Ercilla 803, Casilla 12518, Santiago, Chile e-mail: kdeckart@cec.uchile...Nacional del Cobre de Chile, DivisĂon Andina, Sta. Teresa 513, Los Andes, Chile M. Fanning Research School |  | | Report (volume) | | View southwestward up the Rio Moctezuma.__---_-__.____ Canyon of the Rio Ext6rax between Bucareli and... 21. Travertine deposit along the canyon of the Rio Ext6rax___-_ 22. Pena de Bernal_________________...chief mining districts are Final de Amoles and Rio Blanco, which lie along a poorly defined belt of metalliferous...of the poor exposures in the western part of the region, the complexities resulting from repeated folding...made after heavy rains. At San Lorenzo, where the Rio Extorax is crossed, the road is occasionally closed |  | Astudillo, Natalia, Roperch, Pierrick, Townley, Brian, Arriagada, Cesar, Chauvin, Annick (2010) Magnetic polarity zonation within the El Teniente copperâmolybdenum porphyry deposit, central Chile. Mineralium Deposita, 45 (1) 23-41 doi:10.1007/s00126-009-0256-0 | Journal (article/letter/editorial) | | Teniente copperâmolybdenum porphyry deposit, central Chile Natalia Astudillo & Pierrick Roperch & Brian Townley...from oriented samples at four locations within the mine and from two drill cores, 200 and 400 m long, respectively...y MatemĂĄticas, Universidad de Chile, Plaza Ercilla 803, Santiago, Chile N. Astudillo : P. Roperch (*)...multidomain magnetite grains, associated with biotite and chlorite of various different hydrothermal...alternating field or thermal demagnetization. Within the mine, the magnetic polarity is spatially distributed |  | | Journal (article/letter/editorial) | | Estructura y Marco Tect6nico," Revista Geoldgica de Chile, Vol. 17, No. 1, pp. 89-108. The Colanguil Batholith...more mafic. Most of the CB was intruded into the Rio Blanco-Agua Negra sedimentary basin of Upper Caboniferous-Asselian...by a higher content of biotite (5 to 7%) than the other granites in which biotite never exceeds 5%; Los...feldspar; q, quartz; px, pyroxene; hb, hornblende; bi, biotite; mu, muscovite; ap, apatite; sp, sphene; al, allanite;...crystallized (Sato, 1989). The CB is located in a region where the Tertiary tectonics are characterized |  | Barra, Fernando, Alcota, Hugo, Rivera, Sergio, Valencia, Victor, Munizaga, Francisco, Maksaev, Victor (2013) Timing and formation of porphyry CuâMo mineralization in the Chuquicamata district, northern Chile: new constraints from the Toki cluster. Mineralium Deposita, 48 (5) 629-651 doi:10.1007/s00126-012-0452-1 | Journal (article/letter/editorial) | | mineralization in the Chuquicamata district, northern Chile: new constraints from the Toki cluster Fernando...the ChuquicamataâRadomiro Tomic mines in northern Chile. These prospects occur in an area of 5Ă6 km and...potassic type with K-feldspar and hydrothermal biotite. Sericitic alteration is relatively restricted...Departamento de GeologĂa, Universidad de Chile, Santiago, Chile e-mail: fbarrapantoja@ing.uchile.cl F....Universidad de Chile, Santiago, Chile H. Alcota : S. Rivera Exploraciones Mineras Andinas S.A., Santiago, Chile |  | | 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...are the three largest of all, El Teniente, RĂo Blanco-Los Bronces, and Chuquicamata (Fig. 1), all containing...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 |  | DĂaz, Valentina, Muñoz-GĂłmez, Marcia, Deckart, Katja, Townley, Brian, Mathur, Ryan, MartĂnez, Osvaldo (2020) The Miocene Brahma porphyry Cu-Mo prospect in Central Chilean Andes (35°45âČS): Geology, geochronology (U-Pb, Re-Os) and geochemistry. Ore Geology Reviews, 122. 103522pp. doi:10.1016/j.oregeorev.2020.103522 | Journal (article/letter/editorial) | | 1Departamento 8 Chile 9 2Advanced de GeologĂa, Universidad de Chile, Casilla 13518, Correo 21, Santiago, Mining...10 MatemĂĄticas, Universidad de Chile, Av. Tupper 2007, Santiago, Chile, 11 3Escuela 12 Campus RepĂșblica...RepĂșblica, Salvador Sanfuentes 2357, Santiago, Chile 13 4Department 14 *Corresponding 15 marcia.munoz@unab...Mio-Pliocene 20 metallogenic belt of Central Chile. We present the results of a comprehensive study...within the metallogenic background 23 of the region. The prospect is hosted by dioritic and granodioritic |  | | Report (issue) | | Project field party negociating Lhe Rio Parcayacu tributary along the Rio Mulatos traverse (photo: ML). -...Jurassic-Lower Cretaceous rocks 22 Amazonic craton 22 Santiago Formation 22 Chapiza unit 22 Misahualli unit 22...perate with grassland vegetation and rainfall in the region of 700 mm per year (see rainfall for Quito and...tropical. Rainfall is high over this eastern slope region due to rising hot air masses fro1n the Oriente;.... (c) The Cordillera Real range: view from the Rio Salado in the subtropical, sub Andean lowlands, |  | Deckart, K., Clark, A. H., Celso, A. A., Ricardo, V. R., Bertens, A. N., Mortensen, J. K., Fanning, M. (2005) Magmatic and Hydrothermal Chronology of the Giant Rio Blanco Porphyry Copper Deposit, Central Chile: Implications of an Integrated U-Pb and 40Ar/39Ar Database. Economic Geology, 100 (5) 905-934 doi:10.2113/gsecongeo.100.5.905 | Journal (article/letter/editorial) | | Chronology of the Giant RĂo Blanco Porphyry Copper Deposit, Central Chile: Implications of an Integrated...GeologĂa, Universidad de Chile, Plaza Ercilla 803, Casilla 13518, Santiago, Chile ALAN H. CLARK, Department...Nacional del Cobre de Chile, DivisiĂłn Andina, Sta. Teresa 513, Los Andes, Chile ALFREDO BERTENS, N.,...Nacional del Cobre de Chile, Exploraciones y Mineras S.A., Apoquindo 4775, Santiago, Chile JAMES K. MORTENSEN...parts of the behemothian (sensu Clark, 1993) RĂo Blanco-Los Bronces porphyry copper-molybdenum deposit |
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