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 ...

Twenty-one of Arizona's 22 tribes oppose Resolution Copper. Here's why the Oak Flat mine will harm Arizona's water, land and ...

President Donald Trump on Tuesday blasted an appeals court's decision to temporarily block federal officials from completing a land transfer needed for Rio Tinto and BHP to develop Arizona's ...

Add Yahoo as a preferred source to see more of our stories on Google. . Wendsler Nosie has led the fight to protect Oak Flats for almost a decade. (Photo/Apache Stronghold) Guest Opinion. Arizona is ...

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 ...

Resolution Copper Mining, owned by Resolution Copper Company (55%), a subsidiary of Rio Tinto, and BHP Copper (45%), a subsidiary of BHP. Resolution is one of the most significant undeveloped copper ...

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 ...

To continue reading this content, please enable JavaScript in your browser settings and refresh this page. Preview this article 1 min In a guest column, an executive ...

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 ...

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 ...

The Resolution Copper mine in Arizona plans to use a large amount of groundwater, potentially jeopardizing the planned Superstition Vistas development and its water supply. Arizona law allows mining ...