Resolution Copper has selected Major Drilling America and Redpath USA Corporation for contracts totalling around $110m as part of efforts to develop its proposed underground copper mine in Arizona.

SUPERIOR, Ariz., Aug. 7, 2026 /PRNewswire/ -- Resolution Copper has awarded approximately $110 million in contracts to Major Drilling America Inc. and Redpath USA Corporation to advance exploration ...

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 decade-long legal saga over Resolution Copper’s planned copper mine in Superior has a new twist with involvement from an Arizona politician. Arizona’s newest member of Congress, Rep. Adelita ...

With the U.S. Supreme Court declining to hear a last-ditch appeal, a long-planned Arizona copper mine could break ground in early 2026 and, once fully operational, supply up to 25 percent of 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 ...

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 ...

SUPERIOR, Ariz., Feb. 6, 2026 /PRNewswire/ -- Resolution Copper has donated $285,000 to Mesa-based United Food Bank to support the nonprofit's mission and work in the Copper Corridor, tribal ...

The young people who will inherit the consequences of the Resolution Copper mine are among the voices least represented in this decision-making process. As a young person in this community, I find it ...