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George Fisher Lead, Zinc and Silver Mine


Near Mount Isa, Queensland, Australia


Xstrata Plc (100%)


Vein mineralisation in Lower Proterozoic silica-dolomite rich sediments

Mineral types

Galena, sphalerite, pyrite


21Mt proved & probable reserves, plus 36Mt in resources. (mid-2005)

Annual production

2.8 Mt/y ore (2007)

Mining method

Bench mining, open stoping

Recovery method

Milling – flotation at the Mt Isa concentrator, crude lead production (with contained silver) at Mt Isa lead smelter


2,150 employees and 531 contractors (including all those working at Mount Isa and at Townsville)

Key equipment

Rock drills, remote controlled LHDs, truck and rail haulage systems

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