At Resolution Copper, our mission is to responsibly develop one of the world’s largest copper resources while creating lasting benefits for the communities around us.

The Resolution Copper project is a proposed underground copper mine in the Copper Triangle, approximately 60 miles east of Phoenix, Arizona, in the western United States.

Resolution Copper (RCM) is a joint venture owned by Rio Tinto and BHP formed to develop and operate an underground copper mine near Superior, Arizona, USA. The project targets a deep-seated …

Resolution Copper is one of the largest undeveloped copper projects in the world and has the potential to become the largest copper producer in North America. The Resolution Copper Project is located in …

Aug 8, 2025 · More than two decades and $2 billion later, not a single ounce of copper has been mined at the Resolution project.

Apr 22, 2025 · The United States Forest Service hereby provides the final environmental impact statement and draft record of decision documents regarding the proposed Resolution Copper Mining …

Sep 17, 2025 · ES-3.5 Transportation and Access This section discusses how the proposed Resolution Copper Mine would increase traffic on local roads and highways and likely alter local and regional …

The Resolution ore deposit is approximately 64 million years old and is a porphyry copper-molybdenum deposit. It lies approximately 4,500 to 7,000 feet below Oak Flat.

Jun 16, 2025 · The Resolution Copper’s proposed underground copper mine aligns with President Trump’s Executive Orders on unleashing American energy, increasing domestic mineral production, …

3 days ago · At Resolution Copper, research focuses on hydrothermal behavior. Engineers are watching how groundwater flows into the mine, how pumping alters those flows and how heat is transferred …