Cannington Silver and Lead Mine, Queensland, Australia
Key Data:
Producer of
Silver, lead and zinc
Location
200km southeast of Mt Isa, Queensland, Australia
Ownership
BHP Billiton (100%)
Geology type
Sulphides hosted in Middle Proterozoic metamorphic rocks
Mineral type
Galena and sphalerite, with silver present as freibergite and native metal
Reserve base
18.0Mt grading 477 g/t silver, 10.7% lead and 3.9% zinc (2005)
Annual production
3.1Mt run-of-mine ore (2005)
Mining method
Long-hole open stoping
Processing method
Crushing, grinding, flotation, with leaching to recover silver from lead and zinc concentrates prior to smelting
Employment
500
Key equipment (underground)
Sandvik (Tamrock) development and production drills
Atlas Copco development and production drills
Caterpillar and Sandvik LHDs
Atlas Copco and Sandvik mine trucks
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