USGS Mineral Resources Data System
Type: Historical mine record
Supports:
- mine identity
- development status
- commodities
- underground eligibility evidence
Nevada · Humboldt County
Mindat Confirmed Copper Underground 1 mapped adit
Mindat locality description
Deposit: Molybdenite (in flakes up to 1 cm diameter), pyrite and chalcopyrite occur in a flat-lying zone of quartz veinlets near the portal of an adit. Oxidized vein matter contains limonite and oxide copper minerals. Quartz veins are 1-5 cm wide; the …
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.
USGS source data documents underground workings for this record.
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: 429659
Supports:
Nevada · Humboldt County
Mindat Confirmed Copper Past Producer Underground
Documented shaft evidence
Nevada · Humboldt County
Mindat Confirmed Copper Occurrence Mixed Underground/Surface
Documented shaft/adit evidence
Nevada · Humboldt County
Unconfirmed Copper Occurrence Underground
Nevada · Humboldt County
Mindat Confirmed Manganese Occurrence Underground
Documented shaft evidence