By Ernest Scheyder HOUSTON, March 24 (Reuters) - Rio Tinto aims to open Arizona's Resolution Copper mine by the mid-2030s but ...

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 ...

The U.S. Forest Service has finalized a long-contested land exchange with Resolution Copper, clearing a major hurdle for development of one of the world’s largest undeveloped copper deposits. The ...

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 ...

Resolution Copper Mining, owned by Resolution Copper Company (55%), a subsidiary of Rio Tinto, and BHP Copper (45%), a subsidiary of BHP. Resolution is one of the most significant undeveloped copper ...

The MarketWatch News Department was not involved in the creation of this content. SUPERIOR, Ariz., March 16, 2026 /PRNewswire/ -- The U.S. Forest Service and Resolution Copper, a joint venture owned ...

I was invited to visit the Resolution Copper Mine. I was excited to go that far underground. What I didn’t expect was to meet such great people that are very proud of this project. My guest for the ...

Resolution Copper Mining, owned by Resolution Copper Company (55%), a subsidiary of Rio Tinto, and BHP Copper (45%), a subsidiary of BHP. Funding for the project is proportional among the project ...