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

The company has now begun a $500 million drilling campaign to explore the 30% of the deposit it previously could not access.

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

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 ...

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

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 ...

The Resolution project is set to produce more than 18mt of copper throughout its lifespan.

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

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

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 ...