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  2. New Cornelia mine - Wikipedia

    en.wikipedia.org/wiki/New_Cornelia_mine

    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 ...

  3. ASARCO - Wikipedia

    en.wikipedia.org/wiki/Asarco

    ASARCO (American Smelting and Refining Company) is a mining, smelting, and refining company based in Tucson, Arizona, which mines and processes primarily copper. The company has been a subsidiary of Grupo México since 1999. Its three largest open-pit mines are the Mission, Silver Bell and Ray mines in Arizona. Its mines produce 350,000,000 to ...

  4. Copper mining in Arizona - Wikipedia

    en.wikipedia.org/wiki/Copper_mining_in_Arizona

    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 ...

  5. Resolution Copper - Wikipedia

    en.wikipedia.org/wiki/Resolution_copper

    Resolution Copper (RCM) is a joint venture owned by Rio Tinto and BHP formed to develop and operate an underground copper mine near Superior, Arizona, U.S. The project targets a deep-seated porphyry copper deposit located under the now inactive Magma Mine .

  6. Freeport-McMoRan - Wikipedia

    en.wikipedia.org/wiki/Freeport-McMoRan

    In 1981, the company formed a 70/30 joint venture with an affiliate of FMC Corporation to operate the Jerritt Canyon gold mine near Elko, Nevada. [24] In 1985, the company headquarters moved to New Orleans, Louisiana. [12] The company also sold a 25% interest in oil and gas assets primarily in the western United States to Britoil for $73.5 million.

  7. List of Arizona companies - Wikipedia

    en.wikipedia.org/wiki/List_of_Arizona_companies

    Arizona's economy historically relied on the "five C's": copper, cotton, cattle, citrus, and climate. [3] While Arizona's copper mining is still the nation's primary source of the metal, services and manufacturing are now the drivers of the state's economy.

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