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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.
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 ...
The company has been exploring solutions for the 1.599 billion tonnes or 19.9 billion cubic feet tailings which will be produced. One possibility is using existing mined out open pits as tailing deposits, a brownfield known as the Pinto Valley mine in Gila County, Arizona or a greenfield site on 12 sections of land on the far northern end of ...
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 ...
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 ...
Mining leader BHP (NYSE:BHP) has partnered with Ivanhoe Electric (NYSE:IE, )) to explore copper and other critical minerals in the United States. The collaboration aims to find new sources of ...