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Rio Camu

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Series: GSA Special Papers
Published: 01 January 1991
DOI: 10.1130/SPE262-p115
... synform. The preferred hypothesis is that the El Yujo section is a conformable transitional sequence, reflecting a change from basic volcanism (possibly a seamount) up into a series of arc rocks of acidic composition. The lower part of the upper unit, exposed in the Guaigui-Rio Camu area, shows...
Series: Special Publications of the Society of Economic Geologists, Special Publications of the Society of Economic Geologists
Published: 01 January 2012
DOI: 10.5382/SP.16.05
EISBN: 9781629490410
... American plc (2009b) 5 Camus (2003) This paper presents a current overview of the Río Blanco-Los Bronces district. It is a joint effort of geologists of Anglo American and CODELCO combining geologic and (largely unpublished) geochronological datasets to provide an update of the geology...
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Series: Special Publications of the Society of Economic Geologists, Special Publications of the Society of Economic Geologists
Published: 01 January 1998
DOI: 10.5382/SP.05.09
EISBN: 9781629490298
... Abstract Rio Blanco-Los Bronces, one of three giant late Miocene to early Pliocene copper deposits in the Andes of central Chile, formed as a result of emplacement of both multiple mineralized breccias and porphyry intrusions into early and middle Miocene plutonic rocks and Cenozoic lavas...
Journal Article
Journal: GSA Bulletin
Published: 01 January 2010
GSA Bulletin (2010) 122 (1-2): 292–304.
... mantle peridotites. Hydrated abyssal peridotites are voluminous and occur in ophiolite complexes in the northern terranes (Puerto Plata Complex and the northern part of the Rio San Juan Complex) and in serpentinite mélanges in the central part of the Rio San Juan Complex. The serpentinite mélanges...
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Series: Special Publications of the Society of Economic Geologists, Special Publications of the Society of Economic Geologists
Published: 01 January 2012
DOI: 10.5382/SP.16.17
EISBN: 9781629490410
... Abstract The Carajás mineral province in the southeastern part of the Amazon craton, northern Brazil, represents an Archean block divided into two tectonic domains: (1) the Carajás domain in the north and (2) the Rio Maria domain in the south. The Carajás domain contains one of the world's...
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Series: Special Publications of the Society of Economic Geologists, Special Publications of the Society of Economic Geologists
Published: 01 January 1998
DOI: 10.5382/SP.05.03
EISBN: 9781629490298
... Abstract Large mineralized breccias are prominent features in the three giant late Miocene Andean copper deposits at Los Pelambres, Rio Blanco-Los Bronces and El Teniente in central Chile. The breccias were emplaced into Miocene igneous host rocks by the expansion of high-temperature, metal...
Series: Special Publications of the Society of Economic Geologists, Special Publications of the Society of Economic Geologists
Published: 01 January 2012
DOI: 10.5382/SP.16.04
EISBN: 9781629490410
... with giant porphyry copper formation farther south in the central Chile Miocene to early Pliocene belt, at Río Blanco-Los Bronces and El Teniente (e.g., Howell and Molloy, 1960 ; Warnaars et al., 1985 ). The Miocene to early Pliocene porphyry copper belt...
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Series: Geological Society, London, Geology of Series, Geological Society, London, Geology of Series
Published: 01 January 2007
DOI: 10.1144/GOCH.6
EISBN: 9781862393936
... been discovered (Cuadra & Dunkerley 1991). Thus post-colonial metallic ore mining in Chile became dominated by copper, with 100 000 t of the metal being produced from 1841 to 1850, placing Chile as the second largest copper producer in the world after Great Britain (Camus 2003). The increase...
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Series: Special Publications of the Society of Economic Geologists, Special Publications of the Society of Economic Geologists
Published: 01 January 2012
DOI: 10.5382/SP.16.14
EISBN: 9781629490410
... deposits in the world ( Camus, 2003 ; Cooke et al., 2005 ; Sillitoe and Perelló, 2005 ). The Andes has long been considered as the type example of a noncollisional orogenic system (e.g., Jordan et al., 1983 ), where subduction of Pacific oceanic crust beneath South America has been active for the past...
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Book Chapter

Series: Special Publications of the Society of Economic Geologists, Special Publications of the Society of Economic Geologists
Published: 01 January 2012
DOI: 10.5382/SP.16.01
EISBN: 9781629490410
..., and copper is no exception ( Singer, 1995 ; Laznicka, 1999 ). Indeed, approximately one-third of the world's defined copper resources are contributed by just seven districts (Fig. 1 ), and approximately 2.5% of producing mines currently supply 25% of total copper output (M. Harris, Rio Tinto, unpub. comp...
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Series: Special Publications of the Society of Economic Geologists, Special Publications of the Society of Economic Geologists
Published: 01 January 2012
DOI: 10.5382/SP.16.20
EISBN: 9781629490410
... mine containing ∼ 17 kt Ni and 11 kt Cu/annum Rio Tinto initial exploration 1990s; discovery hole 2002 (6.3% Ni and 4% Cu over 84 m at 120 m) Rossell and Coombes (2005) Americano do Brazil 5 Mt at 0.65% Cu and 0.62% Ni (METAGO resource in 1978) 0.91 ∼ 4 (S2); ∼ 2 (S1) 4.9% Ni (S2) 2.7% Ni...
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Series: Special Publications of the Society of Economic Geologists, Special Publications of the Society of Economic Geologists
Published: 01 January 2012
DOI: 10.5382/SP.16.07
EISBN: 9781629490410
... the deposit is a rugged plateau at an elevation of 1,200 m located immediately east of a prominent escarpment known as Apache Leap that overlooks the town of Superior (Fig. 2 ). The project is owned by Resolution Copper Mining L.L.C. (RCML), which is jointly controlled by Rio Tinto (55%) and BHP Billiton (45...
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Series: Special Publications of the Society of Economic Geologists, Special Publications of the Society of Economic Geologists
Published: 01 January 2012
DOI: 10.5382/SP.16.02
EISBN: 9781629490410
... in this publication, such as Escondida and Río Blanco-Los Bronces. Fig. 2. History of mine production (data from CODELCO and COCHILCO). Chuquicamata is an excellent example of mining, metallurgical, and geologic improvement over nearly a century of continuous production, exploration, and development. Past...
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Series: Special Publications of the Society of Economic Geologists, Special Publications of the Society of Economic Geologists
Published: 01 January 2012
DOI: 10.5382/SP.16.09
EISBN: 9781629490410
...) are located in the South Gobi Desert, approximately 650 km south of Ulaanbaatar. The average elevation in the area of the deposits is 1,160 m and relief is less than 50 m. The deposits are being developed under a joint venture agreement between the Government of Mongolia (34%) and Ivanhoe Mines Ltd. (66%; Rio...
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Series: Special Publications of the Society of Economic Geologists, Special Publications of the Society of Economic Geologists
Published: 01 January 2012
DOI: 10.5382/SP.16.06
EISBN: 9781629490410
... produced 30 Mt of lead-zinc-silver-gold vein and replacement ore, 13.4 Mt of copper-gold skarn ore, and 20.3 Mt of sediment-hosted gold ore from the Barneys Canyon and Melco deposits ( Krahulec, 2010 ). The Bingham Canyon mine is operated by Kennecott Utah Copper, a wholly owned subsidiary of Rio Tinto...
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Series: Special Publications of the Society of Economic Geologists, Special Publications of the Society of Economic Geologists
Published: 01 January 2012
DOI: 10.5382/SP.16.03
EISBN: 9781629490410
.... The Escondida and Escondida Norte-Zaldívar deposits are mined from two open pits. Escondida and Escondida Norte, owned and operated by Minera Escondida Limitada (BHP Billiton 57.5%, Rio Tinto 30%, JECO Corp. 10%, and JECO 2 Ltd. 2.5%), produce enriched sulfide ore, treated by conventional flotation, and oxide...
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Series: Special Publications of the Society of Economic Geologists, Special Publications of the Society of Economic Geologists
Published: 01 January 2012
DOI: 10.5382/SP.16.15
EISBN: 9781629490410
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Series: Special Publications of the Society of Economic Geologists, Special Publications of the Society of Economic Geologists
Published: 01 January 2010
DOI: 10.5382/SP.15.1.14
EISBN: 9781629490397
... (e.g., Serrano et al., 1996 ; Camus, 2003 ; Cannell et al., 2005 ; Perelló et al., 2009 ). Late- to postmineral diatreme breccias at Los Bronces-Río Blanco and El Teniente appear to have destroyed appreciable volumes of preexisting mineralization. This summary of the geology of Los Bronces-Río...
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Journal Article
Published: 01 February 2013
Mineralogical Magazine (2013) 77 (1): 117–136.
...B. M. Saumur; K. Hattori Abstract Ferritchromite is rarely reported in forearc mantle peridotites. This contribution describes ferritchromite alteration and zoned Cr-spinel in serpentinites from the Rio San Juan Complex in the Dominican Republic. These rocks originated from the forearc mantle...
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Journal Article
Journal: Economic Geology
Published: 01 December 2001
Economic Geology (2001) 96 (8): 1921–1929.
... samples, and to Luis Serrano, Ricardo Vargas, and the geological staff at Rio Blanco for access to the mine site. Francisco Camus and Jorge Skarmeta from Codelco Exploration are acknowledged for assistance. Thanks also to T. Crawford for support and encouragement. We are also grateful to T. Mernagh and E...
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