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 ...

U.S. appeals court clears the way for a land transfer tied to Rio Tinto’s Resolution Copper project in Arizona, supporting ...

BHP Group (ASX:BHP) is pushing ahead with the Jansen potash project in Canada as a key growth pillar. The company is scaling ...

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 ...

Add Yahoo as a preferred source to see more of our stories on Google. See 30-year history of the proposed copper mine at Arizona's Oak Flat Although copper has been mined in the area surrounding Oak ...

Rio Tinto (ASX:RIO,NYSE:RIO,LSE:RIO) has cleared a key legal hurdle at its Resolution Copper project in Arizona, allowing the ...

PHOENIX — Resolution Copper donated $1 million to help with flood relief efforts in the Globe-Miami area, the underground copper mine joint venture owned by Rio Tinto and BHP announced on Thursday.

Multi-year agreement comes at a critical time when there is a record demand for food in the Copper Triangle, among Tribal Communities, and in the East Valley SUPERIOR, Ariz., Feb. 6, 2026 /PRNewswire/ ...

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 ...