Porphyry copper-molybdenum mineralization is mined by open-pit methods at Sierrita in Arizona. The wholly owned operation produces copper and molybdenum concentrates.
- Country
- United States
- Commodity
- Cu
- Stage
- Production
Porphyry copper-molybdenum mineralization is mined by open-pit methods at Sierrita in Arizona. The wholly owned operation produces copper and molybdenum concentrates.