Ray mine

The Ray mine is a large copper mine in Pinal County, Arizona, near the town of Kearny, in the southwestern United States. ASARCO, a subsidiary of Grupo México, currently owns the mine, which it acquired from Kennecott Copper in 1986.^[1]

Ray Copper Mine

Teapot mesa, above Ray Mine
Location
Ray copper mine Location in Arizona
Location	Kearny
County	Pinal County, Arizona
Country	United States
Coordinates	33°08′58″N 110°59′14″W
Production
Products	Copper, sulfuric acid
Production	62.0 million lbs copper
Financial year	2016
History
Opened	1880
Owner
Company	Asarco
Website	Ray mine website
Year of acquisition	1999

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^[update].^[2][3][4] Copper from the Ray mine goes to the Hayden Smelter.

Old specimen of native copper (2.2 cm × 2.2 cm × 1.2 cm (0.87 in × 0.87 in × 0.47 in)) from Ray mine. Large "sail" at left is a spinel twin.

See also

• Ray, Arizona