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, 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 ...

Apache Stronghold and its allies allege that federal officials admitted a proposed copper mine would destroy Oak Flat.

Last month, the 9th U.S. Circuit Court of Appeals turned down one of the last surviving legal efforts to challenge the ...

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 ...

SUPERIOR, Ariz., Nov. 5, 2025 /PRNewswire/ -- Resolution Copper has reached a major milestone with the completion of its multi-year, $200 million rehabilitation and deepening of the historic No. 9 ...

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 ...

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 ...

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 ...