Johnson Camp Mine
Mining
Type
Operating
Status
🇺🇸 United States, Arizona
Country
Project information
As at 31 December 2025
Aggregation level:
Asset
Aggregation level:
Asset
Report standard:
Ni 43 101
Report standard:
Ni 43 101
Ownership %:
100
Ownership %:
100
Operator:
Yes
Operator:
Yes
Extraction:
Open Pit
Extraction:
Open Pit
Description
As at 31 December 2025
Operating open-pit copper skarn mine utilizing both conventional heap leaching and proprietary Nuton bioleaching technologies. First copper cathode from run-of-mine oxide production achieved in August 2025, with first Nuton copper produced in December 2025. Existing SX-EW plant has an installed capacity of 25 million pounds of copper cathode per year. Operations are currently ramping up to nameplate capacity.
Mining metrics
As at 31 December 2025 · exclusive
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Reserves & resources — detail
As at 31 December 2025
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