BHP owns 57.5 per cent of, and operates, the Escondida mine which is a leading producer of copper. Escondida, located in the Atacama Desert in northern Chile, is a copper porphyry deposit that also produces gold and silver. Escondida’s two pits feed three concentrator plants, as well as two leaching operations (oxide and sulphide).
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Pampa Norte (Chile)
Pampa Norte consists of two wholly owned operations in the Atacama Desert in northern Chile – Spence and Cerro Colorado. Spence and Cerro Colorado produce high-quality copper cathodes through leaching, solvent extraction and electrowinning processes.
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BHP owns 33.75 per cent of Antamina, a large, low-cost copper and zinc mine in north central Peru. Antamina is a joint venture between BHP (33.75 per cent), Glencore (33.75 per cent), Teck Resources (22.5 per cent) and Mitsubishi Corporation (10 per cent), and is operated independently by Compañía Minera Antamina S.A. Antamina by-products include molybdenum and silver.