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  2. Cerro Verde mine - Wikipedia

    en.wikipedia.org/wiki/Cerro_Verde_mine

    The Cerro Verde mine is a very large copper mine located about 20 miles southwest of Arequipa, in southwestern Peru.Cerro Verde represents one of the largest copper reserves in Peru and in the world, having estimated reserves of 4.63 billion tonnes of ore grading 0.4% copper and 113.2 million oz of silver.

  3. Cerro Verde - Wikipedia

    en.wikipedia.org/wiki/Cerro_Verde

    Cerro Verde is a Peru-based mining company founded in 1970. Its activities include the extraction, exploitation and production of copper from the porphyry copper deposit located southeast of the city of Arequipa .

  4. Copper tubing - Wikipedia

    en.wikipedia.org/wiki/Copper_tubing

    While pipe sizes in Australia are inch-based, they are classified by outside rather than inside diameter (e.g., a nominal 3 ⁄ 4 inch copper pipe in Australia has measured diameters of 0.750 inches outside and 0.638 inches inside, whereas a nominal 3 ⁄ 4 inch copper pipe in the U.S. and Canada has measured diameters of 0.875 inch outside and ...

  5. Copper mining in the United States - Wikipedia

    en.wikipedia.org/wiki/Copper_mining_in_the...

    The Copper Queen Mine and neighboring Atlanta Claim became the Warren District. With the great contribution of the Warren District, Arizona led the nation and still leads it in copper production. The United Verde copper mine at Jerome, Arizona, was financed by eastern capitalists. However, the rich surface ore soon played out. W. A. Clark, who ...

  6. Freeport-McMoRan - Wikipedia

    en.wikipedia.org/wiki/Freeport-McMoRan

    Freeport-McMoRan Inc., often called Freeport, is an American mining company based in the Freeport-McMoRan Center, in Phoenix, Arizona.The company is the world's largest producer of molybdenum, a major copper producer and operates the world's largest gold mine, the Grasberg mine in Papua, Indonesia.

  7. Southern Copper Corporation - Wikipedia

    en.wikipedia.org/wiki/Southern_Copper_Corporation

    Toquepala Mine in 2003, viewed from ISS.The open pit was then 2.5 kilometers across.. Southern Copper Corporation is a mining company that was founded in 1952. The current incarnation of Southern Copper can be traced to the 2005 acquisition of Southern Peru Copper Corporation by the Mexican copper producer Minera México.