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Mining of the Resolution Copper deposit in Pinal County, potentially the largest copper mine in Arizona, is stalled pending a proposed land swap with the federal government. [17] Resolution Copper has proposed to give the federal government 4,500 acres (18 km 2 ) of environmentally sensitive land in Arizona in exchange for the 3,000-acre (12 km ...
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: Freeport-McMoRan: Copper ore, leached 5 (2021) [2] 18 Carlota Gila County, Arizona ...
Mines in Arizona — historic and present day sites of mining ... Cerro Colorado Mine; ... Darling Cinder Pit; G. Growler Mine Area; K. Kayenta Mine; M. Montana mine ...
The Green Tree facility provides and stores, digitally and in microfilm (aperture cards), [4] over 182,000 maps of abandoned mines. This repository contains maps of mine workings from the 1790s to the present day. [5] It serves as a point of reference for mine maps and other information for both surface and underground mines throughout the ...
Bear Run Mine: Peabody Bear Run Mining Surface Indiana: 7,271,178 Falkirk Mine: North American Coal Corporation [7] Surface North Dakota: 7,219,086 Three Oaks Mine: Luminant Mining Surface Texas 7,186,478 Harrison County Mine: CONSOL Energy [9] Underground [11] West Virginia 7,131,341 Tunnel Ridge Mine: Tunnel Ridge Underground
Arizona breccia pipe uranium mineralization; 1983 Arizona copper mine strike; Arizona Department of Mines and Mineral Resources; Arizona Mining and Mineral Museum; Arizona State Mine Inspector; Artillery Mountains
Denison Mines planned to begin mining its Arizona One mine in 2007. [9] The deposit is in a breccia pipe on the Colorado Plateau of northern Arizona. [ 10 ] In March 2011, the State of Arizona issued air and water permits to Denison which would allow uranium mining to resume at three locations north of the Grand Canyon, subject to federal approval.
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 since 1959 and is a copper and molybdenum mining complex, operating on a porphyry copper deposit with oxide, secondary sulfide, and primary sulfide ...