Mount Isa Mines complex
Mining
Type
Operating
Status
🇦🇺 Australia
Country
Project information
As at 31 December 2025
Aggregation level:
Play or complex
Aggregation level:
Play or complex
Report standard:
Jorc
Report standard:
Jorc
Ownership %:
100
Ownership %:
100
Operator:
Yes
Operator:
Yes
Extraction:
Underground
Extraction:
Underground
Description
As at 31 December 2025
Underground polymetallic Zn-Pb-Ag complex (George Fisher Mine + Lady Loretta) in Queensland, Australia. Mount Isa copper mine closed July 2025 (MICO mine closure caused 13.3 kt Cu reduction in 2025). Lady Loretta reached end of life in December 2025 (contributed ~110 kt Zn 2025). Future Cu smelting and refining will utilise third-party feedstocks.
Mining metrics
As at 31 December 2025 · exclusive
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Reserves & resources — detail
As at 31 December 2025
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