USGS Mineral Resources Data System
Type: Historical mine record
Supports:
- mine identity
- development status
- commodities
- underground eligibility evidence
Nevada · Humboldt County
Mindat Confirmed Gold Mixed Underground / Surface 4 mapped shafts 4 mapped adits
Mindat locality description
Sec 20 T34N R40E Structure: Ne Trending Folds Faults Alteration: Oxidation Deposit: Sulfide replacement of marble and calcareous siltstone. The irregular replacement observed in the trench above the adit appears to follow 'transposed bedding,' (rock…
USGS historical topographic mapping. Features may no longer exist.
Every underlying record used to build the summary above, for research/verification use.
Mindat Confirmed
Mindat locality corroborates underground workings.
Mindat locality corroborates underground workings.
Source records document both underground and surface mining.
No community field reports yet.
I Visited This MineType: Historical mine record
Supports:
Type: Historical mapped physical features
Dataset: DOI 10.5066/P9TAALR6
Supports:
Historical mapped features may no longer exist.
Type: Mineralogical locality database
Record: Mindat Locality: 59702
Supports:
Nevada · Humboldt County
Unconfirmed Gold Past Producer Underground
Historical mapped workings available
Nevada · Humboldt County
Unconfirmed Gold Past Producer
Documented adit evidence
Nevada · Humboldt County
Unconfirmed Nickel Past Producer
Historical mapped workings available