Resolution Copper has reached a major milestone with the completion of its multi-year, $200 million rehabilitation and deepening of the historic No. 9 Shaft, a critical step in paving the way …

The proposed underground mine is expected to become the largest copper mine in North America, supplying copper that’s critical to everyday life. Our aim is that the mine will produce …

The Resolution Copper project is a proposed underground mine 60 miles east of Phoenix, Arizona, near the town of Superior. The Arizona project is a joint venture owned by two global …

The Resolution Copper project can only move forward and eventually begin producing copper once the Final ROD is issued and all required federal, state, and local permits are obtained. As …

Resolution Copper has been working with our communities for over a decade, as we safely and responsibly develop one of the largest copper mines in North America.

Today, the Resolution Copper team is cleaning up this historic mining site and developing a plan in consultation with the community and other stakeholders to safely develop copper that lies …

Resolution Copper is more than a mine in its planning, permitting and development stage. It’s a team of dedicated people working toward the goal of supporting nearly 25% of U.S. copper …

When the concentrate leaves our facility, it will complete the smelting and refining phases to separate the copper from other metals. The final result is a 99.999% pure copper cathode, …

Dec 4, 2025 · Resolution Copper welcomes the republication of the Final Environmental Impact Statement (FEIS) June 16, 2025

Resolution Copper has reached a major milestone with the completion of its multi-year, $200 million rehabilitation and deepening of the historic No. 9 Shaft, a critical step in paving the way …