Project News

Press Releases

Magma Copper Smelter Chimney Stack Safely Demolished

Earlier this summer, the Copper Triangle was devastated by the Telegraph and Mescal wildfires. Many in the local community were personally impacted by this natural disaster and lost their homes and livelihoods as a result.

Rio Tinto Approves an Additional $302 Million Investment in Resolution Copper Project

Earlier this summer, the Copper Triangle was devastated by the Telegraph and Mescal wildfires. Many in the local community were personally impacted by this natural disaster and lost their homes and livelihoods as a result.

Blog Posts

The Legacy of Mining in Arizona: Tim’s Story

In Arizona, mining isn’t just part of the past. It’s the backbone of the present and the promise of the future. For more than 100 years, copper has helped shape this state. Since 1910, Arizona has led the nation in copper production. From the red rock cliffs of the Copper Triangle to the machinery that hums deep underground, the industry has powered homes, built cities, and sparked innovation across generations.

$8.9 Million Strong: Investing in the Copper Triangle’s Future

This Economic Development Week, we’re celebrating the partnerships, investments, and milestones that are helping the Copper Triangle thrive. Since 2019, we’ve invested more than $8.9 million into projects that drive long-term growth — from workforce programs and school upgrades to trail revitalization, tourism boosts, and business development.

$2 Billion Invested for a Smarter, Stronger Copper Future

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. This number tells a bigger story — one of progress, partnerships, and purpose.

Mother. Daughter. Miners. A Legacy Built in Superior.

At Resolution Copper, mining isn’t just about the rock we move, it’s about the people who move it. And this Mother’s Day, we’re proud to spotlight two of those people: Jessica and Sabrina Castillo. A mother-daughter duo with deep roots in Superior, Arizona, these two powerhouse women are proving that mining, family, and community can go hand in hand – hard hats and all.