Add Yahoo as a preferred source to see more of our stories on Google. Mine shafts 10, left, and 9, right, tower over the Resolution Copper Mining Company facility, June 9, 2023, in Miami, Ariz. (AP ...

Rep. Adelita Grijalva has introduced a bill to repeal a 2014 law that authorized a land exchange for the Resolution Copper mine. The proposed mine at Oak Flat, a site sacred to Apache peoples, faces ...

SUPERIOR, Ariz., Aug. 1, 2025 /PRNewswire/ -- Resolution Copper has been awarded the 2025 Safety Award for Small Underground Mine by the Rocky Mountain Mining Institute (RMMI), recognizing the ...

Add Yahoo as a preferred source to see more of our stories on Google. The U.S. Forest Service has released the final environmental review for a huge copper mine proposed 60 miles east of Phoenix, ...

The MarketWatch News Department was not involved in the creation of this content. SUPERIOR, Ariz., Nov. 5, 2025 /PRNewswire/ -- Resolution Copper has reached a major milestone with the completion of ...

A U.S. appeals court has temporarily blocked the transfer of federal forest land in Arizona to a pair of international companies that plan to mine one of the largest copper deposits in North America.