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Sierrita was operated by Cyprus Mines (later Cyprus Amax Minerals) from 1986 to 1999. Sierrita was operated by Phelps Dodge from 1999 until 2007 when it was acquired by Freeport-McMoRan . The mine has one of the largest copper reserves in the United States and in the world.
Freeport-McMoRan Inc., often called Freeport, is an American mining company based in the Freeport-McMoRan Center, in Phoenix, Arizona. The company is the world's largest producer of molybdenum , a major copper producer and operates the world's largest gold mine , the Grasberg mine in Papua, Indonesia .
Pages in category "Freeport-McMoRan mines" ... Sierrita mine This page was last edited on 12 August 2017, at 16:17 (UTC). Text is available under the Creative ...
In 1986, Cyprus acquired the Sierrita copper and molybdenum mine near Tucson, Arizona. In July 1988, Cyprus Minerals bought the Inspiration mine and smelting complex in Miami, Arizona . [ 2 ] With the expiry of an agreement to purchase electricity at a favorable rate from the Salt River Project , Cyprus Minerals installed an ISASMELT furnace in ...
In 1986, Cyprus acquired the Sierrita copper and molybdenum mine near Tucson, Arizona. In July 1988, Cyprus Minerals bought the Inspiration mine and smelting complex in Miami, Arizona . [ 10 ] With the expiry of an agreement to purchase electricity at a favorable rate from the Salt River Project , Cyprus Minerals installed an ISASMELT furnace ...
Freeport Indonesia, operator of Grasberg, the world’s second-biggest copper mine, is on track shift to all-underground mining by 2022, its chief executive said on Sunday. Wenas said Freeport had ...
Climax Molybdenum Company (Freeport-McMoRan) Lake: Henderson [3] [4] Climax Molybdenum Company (Freeport-McMoRan) Clear Creek: Idaho: Thompson Creek [3] Thompson Creek Metals Co. Inc. Custer: Montana: Continental Pit [3] Montana Resources LLP: Silver Bow: Nevada: Ashdown mine [3] Win-Eldrich Mines Ltd. Humboldt: Robinson [3] Quadra FNX Mining ...
Morenci mine, Greenlee County, Arizona, owned by Freeport-McMoRan, produced 910 tons of molybdenum in 2013. Pinto Valley mine, Gila County, Arizona, Capstone Mining Corp. Robinson mine, White Pine County, Nevada, KGHM Polska Miedź. Sierrita mine, Pima County, Arizona, owned by Freeport-McMoRan, recovered 9,070 tons of molybdenum in 2013.