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Location: 98 km W from Calama, Chile
Av. Apoquindo 4001 – piso 18SantiagoChile7550162
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Mining scale, mining and mill throughput capaciites.Full profiles of select mines and projects.
Shaft depth, mining scale, backfill type and mill throughput data.Full profiles of select mines and projects.
Equipment type, model, size and quantity.Full profiles of select mines and projects.
Camp size, mine location and contacts.Full profiles of select mines and projects.
ceous metallogenic belt of the Coastal Cordillera. The mineralized system is related to granodioritic porphyry (Antucoya porphyry) and dacite porphyry (Buey Muerto porphyry). Late dacitic dikes intrude the former ore-related intrusions and Jurassic andesitic host rocks in a tectonic environment dominated by splays of the Atacama Fault System. The principal mineralization constitutes a column 350 m thick, composed of atacamite, brochantite, Fe-Cu sulfates, Cubearing limonite, chrysocolla and black oxides, with rare chalcocite and covellite in a thin supergene enrichment blanket.In the underlying hypogene zone, the mineralization is dominated by chalcopyrite>pyrite>bornite hosted by A- and B veins in potassic alteration, and in C-veins on the periphery of the porphyry intrusions. The pyrite/chalcopyrite ratio is greater in D-veins within a shallow phyllic zone. The Mo distribution is erratic and poorly characterized.
ore.There are electric shovels and front-end loaders used for extraction-and-loading.
electrowinning (“SX-EW”) plant to produce copper cathodes, which are sold to fabricators around the world.Solvent Extraction And ElectrowinningA process for extracting metal from an ore and producing pure metal. First the metal is leached into solution, the resulting solution is then purified in the solvent-extraction process before being treated in an electrochemical process (electrowinning) to recover cathode copper.
erse osmosis plant to produce drinking water for the camp. All the water used in camps and offices is collected for treatment in the wastewater treatment plant and is used to moisten our internal roads and the open pit loading area. Antofagasta already only uses sea water for Antucoya operation. By 2025, Antofagasta expects 90% of mining operations’ water consumption will be recirculated or sea water.The shared pipeline between Antucoya and Centinela is a major synergy.
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