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

WASHINGTON – The U.S. Forest Service transferred Arizona’s Oak Flat to Resolution Copper, advancing a massive mining project ...

Resolution Copper is set to start exploratory drilling at Oak Flat after a long-sought land swap is completed.

Depending on a final appeal to the Supreme Court, the U.S. Forest Service may soon finally move forward with the construction ...

The move facilitates the next stage of work and development planning for the Resolution Copper project.

The transfer of federal forest land in Arizona to a pair of international companies that plan to mine one of the largest ...

By Ernest Scheyder March 16 (Reuters) - Rio Tinto said on Monday it has gained control of acreage in Arizona needed to build ...

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 ...

Rio Tinto's joint venture with BHP has gained ​control of acreage in Arizona needed to build the Resolution Copper mine after ...

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., Oct. 13, 2025 /PRNewswire/ -- Rio Tinto, the majority owner of Resolution Copper, has donated $1 million to support flood relief efforts in the City of Globe and Town of Miami, ...

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.