Osborne Copper-Gold Mine, Queensland, Australia
Key Data:
Producer of
Copper and gold
Location
195km southeast of Mt Isa, Queensland, Australia
Ownership
Barrick Gold Corp. (100%)
Geology type
Ironstone-hosted, replacement-type deposit
Mineral type
Chalcopyrite with associated gold and silver
Reserve base
5.9Mt proven and probable ore grading 2.2% Cu and 0.8g/t Au (2005)
Annual production
39,475t Cu and 43,000oz Au (2005)
Mining method
Underground open stoping
Processing method
Crushing, milling, gravity gold recovery, flotation
Employment
180
Key Equipment:
Underground
Caterpillar LHDs and mine trucks
Sandvik (Tamrock) drilling jumbos
Concentrator
Knelson gravity concentrator
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