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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 ...
The Copper Basin, located in the extreme southeastern corner of Tennessee in Polk County, was the center of a major copper-mining district from 1847 until 1987. The district also produced iron, sulfur and zinc as byproducts. [ 56 ]
Flintsteel mine (formerly known as the Nassau mine, Old Flintsteel mine, and the Superior-Nassau Superior mine) - Mass City, Ontonagon County Florida mine - Florida location, Houghton County Franklin mine - Franklin; bought by the Quincy Mining Company in 1908
This list of copper mines includes operating, closed and planned mines that have substantial copper output. Africa/Middle East. Democratic Republic of the Congo
The most productive conglomerate and amygdaloid mines were located along a strip about two miles (3.2 km) wide and 24 miles (39 km) long, from the Champion mine on the southwest to the Ahmeek mine on the northeast, passing through the towns of Houghton, Hancock, and Calumet.
The Mineral Park mine is a large open-pit copper mine located in the Cerbat Mountains, 14 mi (23 km) northwest of Kingman, Arizona (in the southwestern United States). A 2013 report said that Mineral Park has an estimated reserves of 389 million t (383 million long tons; 429 million short tons) of ore grading 0.14% copper and 31 million oz (1.9 ...
The copper operations at Bingham Canyon Mine are managed through Kennecott Utah Copper Corporation which operates the mine, a concentrator plant, a smelter, and a refinery. The mine has been in production since 1906, and has resulted in the creation of a pit over 0.75 miles (1,210 m) deep, [ 5 ] 2.5 miles (4 km) wide, and covering 1,900 acres ...
Arizona's copper production was 60% of the total for the United States. Copper mining also produces gold and silver as byproducts. [2] Byproduct molybdenum from copper mining makes Arizona the nation's second-largest producer of that metal. Although copper mineralization was found by the earliest Spanish explorers of Arizona, the territory was ...