Morenci Copper Mine, Arizona, USA
Key Data:
Location
Arizona, US
Ownership
Phelps Dodge 85%, Sumitomo 15%
Geology
Porphyry copper
Mineral types
Chalcocite, pyrite, chrysocolla, malachite, molybdenite
Reserves
2,200Mt of leachable ore
Production
Over 380,000t/yr copper
Mining
Large-scale open pit
Processing
Crushing, grinding and agglomeration, leach, solvent extraction / electrowinning
Employment
Approx. 2,000
Key Equipment:
Open-pit mining
Bucyrus drills, P&H shovels, Caterpillar trucks, conveyor system
Copper recovery
Milling-agglomeration circuits, Rahco leach-dump stackers, SX/EW plants
