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- Escondida abstract "Escondida is a copper mine in the Atacama Desert in Antofagasta Region, Chile. The Escondida deposit is one of a cluster of porphyry coppers in an elongated area about 18 km north-south and 3 km east-west and is associated with the 600 km long West Fissure (Falla Oeste) system, which is in turn associated with most of the major Chilean porphyry deposits. A barren, leached cap, in places up to 300 metres thick, overlies a thick zone of high grade secondary supergene mineralisation of the main orebody, largely chalcocite and covellite, which in turn overlies the unaltered primary mineralisation of chalcopyrite, bornite and pyrite.At mid 2007, Escondida had total proven and probable reserves of 34.7 million tonnes of copper, of which 22.5 million tonnes is estimated to be recoverable. Total resources (including reserves) were 57.6 million tonnes of copper, of which 33.0 million tonnes should be recovered. Exploration continues.Sulfide ore, which contributes 77% of the recoverable copper reserve, is crushed and milled in one of the two concentrators and the copper concentrate is separated out using froth flotation. Approximately 86% of the copper is recovered. It is piped down to the port of Coloso, where it is dewatered before shipping. Oxide ore, 4% of recoverable copper, is crushed, agglomerated and then acid leached in large heaps, and the copper is recovered from the leach solutions as copper cathode in a solvent extraction/electrowinning (SX/EW) plant. Recovery is 68%. The low grade sulfide ore contributes 19% of recoverable copper. It is also crushed and dumped on large heaps, but here the leaching occurs through oxidation induced by microorganisms . The copper is also recovered by SX/EW.In 2006, 338.6 million tonnes were mined (928,000 tonnes per day), of which 251.5 million tonnes were waste and oxide ore. Sulphide ore totalled 87.1 million tonnes or 239,000 tonnes per day. The two camps, San Lorenzo and 2000, cater to 7,000 people daily.".
- Escondida wikiPageID "39419501".
- Escondida wikiPageRevisionID "603516015".
- Escondida hasPhotoCollection Escondida.
- Escondida subject Category:Copper_mines_in_Chile.
- Escondida subject Category:Mines_in_Antofagasta_Region.
- Escondida subject Category:Surface_mines_in_Chile.
- Escondida point "-24.266666666666666 -69.06666666666666".
- Escondida type Abstraction100002137.
- Escondida type CompaniesOfChile.
- Escondida type Company108058098.
- Escondida type Group100031264.
- Escondida type Institution108053576.
- Escondida type MiningCompaniesOfChile.
- Escondida type MiningCompany108003619.
- Escondida type Organization108008335.
- Escondida type RioTintoSubsidiaries.
- Escondida type SocialGroup107950920.
- Escondida type SubsidiaryCompany108003935.
- Escondida type YagoLegalActor.
- Escondida type YagoLegalActorGeo.
- Escondida type YagoPermanentlyLocatedEntity.
- Escondida type SpatialThing.
- Escondida comment "Escondida is a copper mine in the Atacama Desert in Antofagasta Region, Chile. The Escondida deposit is one of a cluster of porphyry coppers in an elongated area about 18 km north-south and 3 km east-west and is associated with the 600 km long West Fissure (Falla Oeste) system, which is in turn associated with most of the major Chilean porphyry deposits.".
- Escondida label "Escondida".
- Escondida sameAs m.0vpxb9w.
- Escondida sameAs Q14995147.
- Escondida sameAs Q14995147.
- Escondida sameAs Escondida.
- Escondida lat "-24.266666666666666".
- Escondida long "-69.06666666666666".
- Escondida wasDerivedFrom Escondida?oldid=603516015.
- Escondida isPrimaryTopicOf Escondida.