HOUSTON, March 24 (Reuters) - 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 ...

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.

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 ...

After over a decade, the path forward for Resolution Copper in Arizona and the benefits it will bring the state are clear. The critics had their say — in federal permitting, in courtrooms, in Congress ...

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 ...

SUPERIOR, Arizona (Reuters) - Rio Tinto's proposed Resolution Copper Mine in Arizona would tunnel 7,000 feet underground, where rocks radiate heat from the earth’s molten core. It would suck up enough ...