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Candelaria and Ojo del Salado Mines

Candelaria

Description: Candelaria consists of an open-pit copper mine and a 6,000 metric ton-per-day (mtd) underground copper mine, which is mined by sublevel stoping.

Did you know? Candelaria mine is now a leader in water conservation, recovery and recycling in all of its processes. It became the first mining operation in the world to certify all of its facilities under ISO 14001 standards. As part of the overall strategy to supply water to the Candelaria mine, we completed construction of a pipeline to bring water from a nearby water treatment facility. We have also substantially completed the construction of a desalination plant and pipeline that will supply the Candelaria mine's longer term water needs.

Location: Approximately 12 miles south of Copiapó, in northern Chile's Atacama province, Region III. It also has a port facility, Punta Padrones, located in Caldera, approximately 50 miles northwest of the mine.

Ores: The Candelaria mine is an iron oxide, copper and gold deposit. Primary sulfide mineralization consists of chalcopyrite.

Facilities: The Candelaria operation includes a 75,000 mtd concentrator and a mill.

Background: Discovered as a copper deposit in 1987, the open-pit copper mine has been in operation since 1993.

Ownership: 80% FCX; 20% affiliates of Sumitomo Corporation.

Ojos del Salado

Description: Ojos del Salado consists of two underground copper mines, Santos and Alcaparrosa, both of which are near Candelaria.

Location: Approximately 10 miles east of Copiapó, in northern Chile's Atacama province, Region III.

Ores: The Ojos del Salado mines are iron oxide and copper and gold deposits. Primary sulfide mineralization consists of chalcopyrite.

Facilities: The Ojos del Salado operation includes a 3,800 mtd concentrator and a mill. Ore from the Santos mine is hauled directly to the Ojos del Salado mill for processing, and the ore from the Alcaparrosa mine is reloaded and hauled to the Candelaria mine for processing.

Background: Ojos del Salado began commercial production in 1929 under the name Planta Punta de Cobre. Freeport-McMoRan Corporation acquired 10% of Ojos del Salado in 1983 and became the sole owner in 1985. Sumitomo Corporation joined as a 20% partner in 2005.

Ownership: 80% FCX; 20% affiliates of Sumitomo Corporation.

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