A split, three-judge panel from the very same appeals court allowed the controversial transfer to proceed after tossing out a ...

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 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 ...

Oak Flat in Arizona is at the center of a struggle that's going on three decades. Here's everything that has happened with the proposed copper mine.

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 ...

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 ...

(AZFamily/AP) - A federal land transfer giving Resolution Copper nearly 2,500 acres in eastern Arizona, including a site considered sacred by the Western Apache and other Indigenous people, is ...

An Indigenous coalition filed an updated lawsuit in federal district court in Phoenix on April 22, their latest attempt to block a land transfer including their sacred site at Oak Flat, Arizona, and ...

TUCSON, Ariz.— A new public opinion poll released today by the Center for Biological Diversity shows that 67% of likely Arizona voters oppose the proposed Resolution Copper mine, which would destroy ...

Mining advocates say Twin Metals is expected to move forward with plans for a copper-nickel mine in the Rainy River Watershed ...

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 ...