Specifications - 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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