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The rich Inspiration copper mine opened in 1911. It was promoted by Boyce Thompson, who owned the nearby Magma Mine in Superior, Arizona. He retained a 15% interest in the Inspiration Consolidated Copper Company when that was founded in 1915. The mine is currently operated by Freeport-McMoran, which renamed it the Miami Mine.
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 .
Underground mine producing nickel and copper concentrates 18 (2018) [8] 15 Phoenix Lander County, Nevada: Newmont Mining Corporation: Gold-copper ore, concentrated and leached 16 (2018) [6] 16 Lisbon Valley San Juan County, Utah: Lisbon Valley Mining Company Copper ore, open pit, heap leached 10–15 (2018) [9] 17 Miami: Gila County, Arizona ...
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Freeport-McMoRan: Copper ore, leached 110 5 Bagdad: Yavapai: Freeport-McMoRan: Copper-molybdenum ore, concentrated and leached 100 6 Miami: Gila: Freeport-McMoRan: Copper ore, leached 90 7 Sierrita: Pima: Freeport-McMoRan: Copper-molybdenum ore, concentrated and leached 80 8 Pinto Valley: Gila: Capstone Mining Copper-molybdenum ore ...
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LME copper has given up 30% since touching a record peak in March, largely holding in a range between $7,200 and $8,000 since end-August, pressured by COVID-19 flare-ups in China, the world's ...