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

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 is complete, but a group of Apache women is ...

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

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

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 ...

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

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 ...

A joint venture of the world's two most valuable miners has gained control of former federal land in Arizona needed to build a mine that they say could meet up to a quarter of U.S. copper demand for ...

Commenting on the development, Rio Tinto's Copper chief executive, Katie Jackson, said: ...

Resolution Copper, a joint venture between Rio Tinto (55%) and BHP (45%), and the United States Forest Service (USFS) have completed a historic land exchange, unlocking the next phase of one of the ...

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