Rio Tinto aims to open Arizona’s Resolution Copper mine by the mid-2030s but may need to export some of its copper concentrate due to the challenging economics of smelting in the US, a senior ...

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 ...

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 ...

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 ...

To continue reading this content, please enable JavaScript in your browser settings and refresh this page. Preview this article 1 min A proposed copper mine east of ...

Rio Tinto (ASX: RIO) 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 US sources of the critical ...

Resolution Copper, a partnership involving Rio Tinto with a 55% stake and BHP holding 45%, has concluded a significant land exchange with the US Forest Service (USFS), advancing one of the world's ...