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The Calumet and Arizona Mining Company organized in March, 1901 and operated several large and profitable mines adjacent to the Copper Queen. By 1907, the C&A was the fourth-most productive copper mine in Arizona, and ran its own smelter in Douglas, Arizona. [5] Phelps Dodge started mining the Lavender open pit in the early 1950s. [4]
The New Cornelia mine is a currently inactive open-pit copper mine in Pima County, Arizona, United States. It was the only productive mine in the Ajo mining district, and is located just outside the town of Ajo, which was built as a company town to serve the New Cornelia mines. The roughly circular pit is one and a half miles across at its ...
Mineral Park mine. The Mineral Park mine is a large open pit copper mine located in the Cerbat Mountains 14 miles northwest of Kingman, Arizona, in the southwestern United States. A 2013 report said that Mineral Park has an estimated reserves of 389 million tonnes of ore grading 0.14% copper and 31 million oz of silver. [1]
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. [1][unreliable source?] It is located in Greenlee County, just ...
Safford mine. The Safford Mine is an open-pit copper mine located in Graham County, Arizona, eight miles (13 km) north of the city of Safford. The mine is owned and operated by Freeport-McMoran Copper & Gold. Construction on the Safford mine began in mid-2006. Production began December 26, 2007, with full production starting in 2008. [1]
Rosemont Copper Mine. Rosemont Copper is a proposed large open pit copper mine project by the Canadian mining corporation Hudbay Minerals. The project site is located within the Santa Rita Mountains and Coronado National Forest, in Pima County of southern Arizona. It has undergone a permitting review process under the direction of the United ...
Year of acquisition. 2007. The Sierrita Mine is a large copper mine located in the Sierrita Mountains of Arizona, in southwestern United States. The mine is located in southern Pima County, southwest of Tucson and west of Green Valley - Sahuarita. Originally developed as an underground mine in 1907, the Sierrita open pit has been in operation ...
In the early 1900s, this was the most productive copper mine in Arizona. [3] While copper mining declined in the area in the 1930s and 1940s, the Copper Queen continued to be mined by the open-pit process during the years following World War II. With decreasing returns, Phelps Dodge closed it in 1985.