Resolution Copper – Potential to be the largest copper mine in the US.

Resolution Copper is Arizona copper, mined by Americans

The Resolution Copper mine is vital to securing America’s energy future, national security, and infrastructure needs with a domestic supply of copper and other critical minerals.

416

Employees/Contractors

$4,900,000

2024 Donations

37%

Budget Spent Locally

Why Our Project Matters

Our Work

Resolution Copper’s Funding of Globe High School Robotics Lab Prepares Students for Competitive Careers

May 20, 2026

In the small town of Globe, Arizona, with a population of just over 7,000 people, big ideas for the future are brewing among high school students.

Copper Strong: April Community Impact Across Arizona

May 13, 2026

Across Arizona, students explored future careers, volunteers served neighbors in need, families gathered at community events, and local partnerships continued creating real impact.

Resolution Copper employee Bryan Seppala awarded 2026 AAED Member of the Year

April 27, 2026

The Arizona Association for Economic Development (AAED) honored Resolution Copper employee Bryan Seppala, AZED Pro, with the prestigious Member of the Year award.

New Water Recycling System Reduces Annual Use by One Million Gallons

April 8, 2026

A new Potable Water Recycling System is now operating on site, reducing water use by an estimated one million gallons per year. The system captures clean analyzer water and returns it to the plant for reuse, replacing water that was previously discharged onto the ground.

Reflecting on His Past, Bryan Mines a New Future

April 2, 2026

Bryan’s family is no stranger to mining. Born and raised in Globe, Bryan grew up watching his father and uncles work at the Magma Copper Mine. The industry was volatile at the time, and Bryan’s father was laid off three different times. Wanting a more stable path for his son, Bryan’s father encouraged him to do anything else for a living. Bryan followed that advice and decided to enroll at the University of Arizona, where he earned his Bachelor of Science degree in economic development.

Apache Owned Business to Manage Oak Flat Campground

March 23, 2026

Resolution Copper reaffirms that public access to the Oak Flat Campground, as well as to recreational roads and climbing areas on private land in the Oak Flat area, will remain open for the foreseeable future following completion of a federal land exchange this month.

United States Forest Service and Resolution Copper Complete Land Exchange

March 16, 2026

The U.S. Forest Service and Resolution Copper, a joint venture owned by Rio Tinto and BHP that represents one of the world's most significant untapped copper deposits, have completed a Federal land exchange required to unlock the full potential of the project.

Eight Years of Emory Oak Restoration and Cultural Stewardship

March 11, 2026

Across Arizona’s National Forests, Emory oak trees and the restoration of their groves support far more than wildlife and shade. For Western Apache communities, these trees provide acorns that are central to food traditions, ceremonies, and cultural practices that stretch back generations.

Resolution Copper in the Community: 2025 Recap

March 10, 2026

If there’s one thing 2025 proved, it’s this: engaging with the community isn’t a side project for us. Across the Copper Triangle and surrounding communities, Resolution Copper showed up in hundreds of ways, big and small. Some days it looked like volunteers packing food bags. Other days it looked like robotics kits in classrooms, filling sandbags, or youth baseball teams taking the field.