This voice experience is generated by AI. Learn more. This voice experience is generated by AI. Learn more. A worker at the Resolution Copper mine inspects an underground tunnel. As artificial ...

SUPERIOR, Ariz., March 16, 2026 /PRNewswire/ -- The U.S. Forest Service and Resolution Copper, a joint venture owned by Rio Tinto and BHP that represents one of the world's most significant untapped ...

SUPERIOR, Ariz., July 29, 2026 /PRNewswire/ -- Resolution Copper has provided $54 million to establish the Resolution Copper Tribal Trust, a perpetual endowment that will deliver annual funding to ...

Resolution Copper told the U.S. Supreme Court it would begin exploratory drilling in the Oak Flat area on March 16 after the 9th U.S. Circuit Court of Appeals turned down a bid from a coalition of ...

Resolution Copper has selected Major Drilling America and Redpath USA Corporation for contracts totalling around $110m as part of efforts to develop its proposed underground copper mine in Arizona.

HOUSTON, March 24 (Reuters) - Rio Tinto aims to open Arizona's Resolution Copper mine ⁠by ⁠the mid-2030s but may need to export some of ⁠its copper concentrate due to the challenging economics of ...

March 16 (Reuters) - Rio Tinto said on Monday it has ⁠gained ⁠control of acreage in Arizona needed ⁠to build the Resolution Copper mine, a project slated to become one of the largest U.S. sources of ...

In a news release issued March 16, the U.S. Department of Agriculture’s Forest Service says it has completed the Southeast Arizona Land Exchange and issued the final record of decision for the ...