HM
Mason
Mining
Type
Exploration
Status
🇺🇸 United States, Nevada
Country
Project information
As at 1 January 2026
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 1 January 2026
Large greenfield copper porphyry deposit located in the historic Yerington District. Consolidated a prospective package of patented and unpatented mining claims contiguous to the project. April 2021 PEA contemplates a 27-year mine life with average annual copper production of approximately 140,000 tonnes over the first ten years. Plans to initiate a pre-feasibility study in 2026.
Mining metrics
As at 1 January 2026 · exclusive
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Reserves & resources — detail
As at 1 January 2026
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