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


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