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Mount Isa Lead, Zinc and Silver Mine


Mount Isa, Queensland, Australia


Xstrata plc (100%)


Lower Proterozoic shales host stratiform orebodies

Mineral types

Galena, sphalerite


24Mt proven (2005)

Annual production

4.8Mt of ore (Mt Isa and George Fisher combined)

Mining method

Bench stoping, sub-level open stoping

Recovery method

Milling and flotation with regrinding yields three concentrates, lead-silver concentrate smelted on site


2,450+ employed at the Mount Isa lead-zinc and copper operations (including those working at George Fisher)

Key equipment

Tele-remote controlled LHDs, IsaMills, blast furnace

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