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The Arizona Department of Mines and Mineral Resources (ADMMR) is a state government agency in the U.S. state of Arizona that has the purpose of promoting and developing the state's mineral resources. The department was established in 1939 as the Arizona Department of Mineral Resources. [1]
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 ...
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
401 Certification certifies that discharges associated with the project will meet all water quality standards. [41] Arizona Mined Land Reclamation Plan Approval [42] is a plan for post-mining operations to correct the disturbed land used for mining. [43] Hazardous Waste Identification Number [44] is the first step in the hazardous waste ...
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 ...
The mines operated successfully and in late March 1881 water was found in the Sulphuret shaft at 520 ft below the surface. [14]: 91 Other mines in the area encountered water within a year. At first, the water was looked upon as a Godsend. The mines could pump it to the surface, store it in tanks and use it in the recovery process of the ores.
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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.