USGS Mineral Resources Data System
Type: Historical mine record
Supports:
- mine identity
- development status
- commodities
- underground eligibility evidence
Nevada · Humboldt County
NBMG Sample Site 2418
Unconfirmed Copper Mixed Underground / Surface 1 mapped shaft 3 mapped adits
Key facts
- State
- Nevada
- County
- Humboldt
- Development status
- Occurrence
- Mine type
- Mixed underground / surface
- Primary commodity
- Copper
- Verification
- Unconfirmed
Mine Location
Approximate AreaDocumented underground workings
Mindat locality description
Deposit: Cu oxides observed in small fault zone in dark grey limestone with minor calcite and quartz veinlets. Mineralized zone proper contains minor Fe oxides. Deposit type: Polymetallic veins Development: No activity at time of examination in 1984-w…
Additional documented workings
-
Adit
— documented in 1 source record.
USGS Historical Topographic Mine Features
Historical mapped workings
USGS historical topographic mapping. Features may no longer exist.
- 1 shaft symbol
- 3 adit symbols
- Adit : King Lear Peak , 1966
View individual source records (3)
Every underlying record used to build the summary above, for research/verification use.
-
Adit
Mapped on historical USGS topographic data (Adit). Historical map features may no longer exist in the field.
- USGS MRDS working type: Surface/Underground
- MRDS work_type documents underground workings: Surface/Underground · work_type
Verification
Unconfirmed
Source records support underground workings, but UndergroundMines has not yet independently verified this mine.
Why it's listed
Source records document both underground and surface mining.
History & operations
Historical record
- Development status: Occurrence
Commodities & minerals
Reported minerals
- commodity:Barite (Barytes)
- commodity:Copper
- commodity:Manganese
- Limestone
Access & recent conditions
- Land
- unknown
Community reports
No community field reports yet.
I Visited This MineSources & evidence
USGS Historical Topographic Mine Features
Type: Historical mapped physical features
Dataset: DOI 10.5066/P9TAALR6
Supports:
- mapped shaft symbols (1)
- mapped adit symbols (3)
Historical mapped features may no longer exist.
Mindat
Type: Mineralogical locality database
Record: Mindat Locality: 429974
Supports:
- locality identity
- reported minerals (4)
A Mindat locality match does not by itself establish underground workings.
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