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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 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 management system. Correctly determining whether a waste meets the RCRA definition of hazardous waste is essential to ...
San Manuel copper mine site in 2009, after reclamation. The mine closed in 2003. The dry San Pedro River and part of the town are visible at top right.. The San Manuel Copper Mine was a surface and underground porphyry copper mine located in San Manuel, Pinal County, Arizona.
Resolution Copper Mining, a joint subsidiary of U.K. and Australian mining giants Rio Tinto and BHP, hopes to build one of the world’s largest underground copper mines at the site outside ...
C. S. Fly's image of miner George Warren first appeared in Souvenir of Bisbee published in 1900. Fly's caption was, "Discoverer of the Copper Queen Mine." The presence of copper ore in the Mule Mountains of southeast Arizona may have been known as early as 1876, but the first mining claim was filed on August 2, 1877. [4]
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.
It is an independent, constitutionally-mandated office, elected to a four-year term. Arizona is the only state which fills this position through direct election. [1] Arizona has 600 working mines and an estimated 120,000 abandoned mines. [2] Owing to a lack of funding, the department employed just two abandoned-mine supervisors as of 2019. [3]