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In Arizona, copper mining has been a major industry since the 19th century. In 2007, Arizona was the leading copper-producing state in the country, producing 750 thousand metric tons of copper, valued at $5.54 billion. Arizona's copper production was 60% of the total for the United States. Copper mining also produces gold and silver as ...
The Ray mine has one of the largest copper reserves in the United States, with proven and probable reserves of 835.7 million tonnes (822,500,000 long tons; 921,200,000 short tons) of ore grading 1.73% copper, as of December 31, 2018. [2] [3] [4] Copper from the Ray mine goes to the Hayden Smelter.
The Bagdad Mine is a large copper mine located in Arizona, in the southwestern part of the United States.Bagdad represents one of the largest copper reserves in the United States and in the world, having estimated reserves of 873.6 million tonnes of ore grading 0.36% copper. [1]
The Carlota Mine is an open pit copper mine located abreast of Pinto Creek about 15 miles (24 km) upstream from its outlet, encompassing both private and Forest Service lands. The mine's copper deposit was discovered in the mid-1990s. [ 3 ]
The mine has one of the largest copper reserves in the United States and in the world. In 2018, the deposit had estimated proven and probable reserves of 3,369 million tonnes of ore grading 0.23% copper and 0.02% molybdenum, along with an additional resource of 1,378 million tonnes of mineralized material at 0.17% copper and 0.02% molybdenum ...
Lisbon Valley Mining Company Copper ore, open pit, heap leached 10–15 (2018) [9] 17 Miami: Gila County, Arizona: Freeport-McMoRan: Copper ore, leached 5 (2021) [2] 18 Carlota Gila County, Arizona: KGHM Polska Miedź: Porphyry copper open pit, producing copper cathode 3.2 (2018) [10] 19 Pumpkin Hollow (see Anaconda) Lyon County, Nevada: Nevada ...
The Morenci Mine is a large copper mine located near Morenci, Arizona, United States.Morenci represents one of the largest copper reserves in the United States and in the world, having estimated reserves of 3.2 billion tonnes (3.5 × 10 9 short tons) of ore grading 0.16% copper.
In 1944, the operation was purchased by John C. Lincoln, the builder of the Camelback Inn, who converted the mine entirely from underground operation to open-pit. In 1979, the operation was purchased by AMOCO Minerals, eventually owned by Cyprus Mines. [4] Cyprus Mines Corporation operated the copper mine until Cyprus merged with Phelps Dodge.