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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]
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]
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
Darling Cinder Pit is a cinder pit mine near Winona, Arizona.It was named in honor of William B. Darling, a local railroad engineer. [1]The mine is located near Cinder Mountain, a Tappan age basaltic cinder cone north east of Winona [2] In 1985 it was noted that the pit was the largest cinder-producing site in Arizona, with Arizona having the highest cinder production of any state in the US. [3]
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 ...
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The Safford Mine is an open-pit copper mine located in Graham County, Arizona, eight miles (13 km) north of the city of Safford. The mine is owned and operated by Freeport-McMoran Copper & Gold. Construction on the Safford mine began in mid-2006. Production began December 26, 2007, with full production starting in 2008. [1]