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 mine is vital to securing America’s energy future and infrastructure needs with a domestic supply of copper and other critical minerals. The project is advancing through …

Fact: Resolution Copper is Arizona copper. Resolution Copper will be a significant addition to Rio Tinto’s flagship United States project, Kennecott, which employs over 2,000 people outside of …

Dec 4, 2025 · Sturgeon Electric Recognized for Outstanding Electrical Work at Resolution Copper October 6, 2025

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 …

“Completing the No. 9 Shaft is a huge milestone and a testament to the dedication and expertise of our underground team and contracting partners,” said Vicky Peacey, President and General …

At Resolution Copper, we’ve reached a major milestone: over $2 billion invested in developing and permitting one of the most important copper projects in the United States.

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 …

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 …