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- Resolution Copper – Potential to be the largest copper mine in the US.
Mining is deeply rooted in Arizona’s Copper Triangle—and it’s driving the region’s next chapter Local leaders across Superior, Miami, and Kearny are voicing their strong support for the Resolution Copper project
- Project Overview – Resolution Copper
The Magma Mine, located in the Town of Superior, started production in 1910 and operated until 1996 The potential to develop a rich new copper deposit near Superior and reuse the already disturbed historic Magma Mine kept the site active and alive after closure
- About Us – Resolution Copper
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 companies, Rio Tinto (55%) and BHP (45%)
- RTRC Project Profile Fact Sheet 600x800 FINAL V1 - Resolution Copper
The Resolution deposit, located 60 miles east of Phoenix, near the town of Superior, lies between 5,000 and 7,000 feet below the earth’s surface The deposit’s average grade is estimated at 1 5% copper
- Myths and Facts – Resolution Copper
Myth: Resolution Copper Mine would take billions of gallons of groundwater while Arizona faces unprecedented drought Fact: Resolution Copper’s focus is on reducing water usage across our operations, minimizing evaporation, and reusing and recycling water whenever possible
- Careers – Resolution Copper
Resolution Copper has been awarded the 2025 Safety Award for Small Underground Mine by the Rocky Mountain Mining Institute (RMMI), recognizing the operation’s outstanding and ongoing safety performance during the 2024 calendar year
- Arizona Copper - Resolution Copper
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 nearly a mile beneath the surface of the original Magma Mine
- Contact Us - Resolution Copper
Resolution Copper Mailing Address P O Box 1944, Superior, Arizona 85173 Physical Address 102 W Magma Heights Dr, Superior, AZ 85173 Main contact: +1 520 689 9374 Project Information Line: +1 520 689 3409 | info@resolutioncopper com Community Complaint Line: +1 520 689 3955 | community-complaint@resolutioncopper com | Question or Concern Form
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