USGS Mineral Resources Data System
Type: Historical mine record
Supports:
- mine identity
- development status
- commodities
- underground eligibility evidence
Nevada · Pershing County
J and B Group
Mindat Confirmed Gold Underground 2 mapped shafts 1 mapped adit
Key facts
- State
- Nevada
- County
- Pershing
- Mining district
- Seven Troughs District
- Development status
- Past Producer
- Mine type
- Underground
- Primary commodity
- Gold
- Verification
- Mindat Confirmed
Also known as
- NBMG Sample Site 1493
Mine Location
Approximate AreaDocumented underground workings
Mindat locality description
Sec 7 T30N R29E Alteration: Silicification Deposit: Lower (sw) shaft collared in greenish and purple andesite mud flow. Upper (ne) shaft collared in thin-bedded rhyolite flow. A fine-grained dark greenish-brown dike follows shear zone trend, and mine…
Additional documented workings
-
Shaft
— documented in 3 source records.
USGS Historical Topographic Mine Features · Mindat
Historical mapped workings
USGS historical topographic mapping. Features may no longer exist.
- 2 shaft symbols
- 1 adit symbol
- Shaft : Seven Troughs , 1981
- Shaft : Seven Troughs , 1981
View individual source records (5)
Every underlying record used to build the summary above, for research/verification use.
-
Shaft
Mapped on historical USGS topographic data (Mine Shaft). Historical map features may no longer exist in the field. -
Shaft
Mapped on historical USGS topographic data (Mine Shaft). Historical map features may no longer exist in the field. -
Shaft
Documented in Mindat locality data. Evidence: Sec 7 T30N R29E Alteration: Silicification Deposit: Lower (sw) shaft collared in greenish and purple andesite mud flow. Upper (ne) sh…
- Derived from MRDS oper_type (existing operation): Underground
- MRDS oper_type documents existing underground operation (dev_stat=Past Producer): Underground · oper_type
Verification
Mindat Confirmed
Mindat locality corroborates underground workings.
Why confirmed?
Mindat locality corroborates underground workings.
Why it's listed
USGS source data documents underground workings for this record.
History & operations
Historical record
- Development status: Past Producer
Commodities & minerals
Reported minerals
- Andesite
- Basalt
- Calcite
- commodity:Gold
- commodity:Silver
- Native Gold
- Native Silver
- Pyrite
View all 10 reported minerals
- Andesite
- Basalt
- Calcite
- commodity:Gold
- commodity:Silver
- Native Gold
- Native Silver
- Pyrite
- Quartz
- Rhyolite
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 (2)
- mapped adit symbols (1)
Historical mapped features may no longer exist.
Mindat
Type: Mineralogical locality database
Record: Mindat Locality: 58698
Supports:
- locality identity
- reported minerals (10)
- underground workings
Related underground mines
Sage Hen Property
Nevada · Pershing County
Unconfirmed Tungsten Past Producer Mixed Underground/Surface
Vernon and Snowstrom Claims
Nevada · Pershing County
Unconfirmed Tungsten Past Producer Mixed Underground/Surface
Documented adit evidence
Vernon and Snowstorm
Nevada · Pershing County
Unconfirmed Tungsten Past Producer
Documented adit evidence
Abe Lincoln Mine
Nevada · Pershing County
Mindat Confirmed Gold Past Producer
Documented adit evidence