Batu Hijau Copper-Gold Mine, Indonesia
Key Data:
Producer of
Copper and gold
Location
Sumbawa Island, Indonesia
Ownership
PT Newmont ( 45%), Nusa Tenggara Mining Corp. (35%), PT Pukuafu Indah (20%)
Geology type
Gold-rich porphyry copper
Mineral type
Copper sulphides with gold
Reserve base
1,011Mt at 0.48% Cu and 0.37g/t Au (2004)
Annual production
Annual production 325,500t Cu, 719,000oz Au (2005)
Mining method
Open pit
Processing method
Crushing, grinding and flotation
Employment
4,175
Key equipment
Boart Longyear drilling equipment
P&H mining shovels
Caterpillar haul trucks
Svedala SAG mills
Wemco-Baker Process flotation cells
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