USGS Mineral Resources Data System
Type: Historical mine record
Supports:
- mine identity
- development status
- commodities
- underground eligibility evidence
Nevada · Lyon County
Hercules Mine
Source Corroborated Gold Underground 2 mapped shafts 5 mapped adits
Key facts
- State
- Nevada
- County
- Lyon
- Development status
- Past Producer
- Mine type
- Underground
- Primary commodity
- Gold
- Verification
- Source Corroborated
Also known as
- Hydra-Hercules
Mine Location
Approximate AreaDocumented underground workings
Mindat locality description
Structure: shear zone, dipping 80-85E, vein 5-10E and greater than or equal to 20 feet thickK. The mine is located at the northern end of the Walker Lane Trend. Alteration: Hydrothermal alteration along brecciated zones Commodity: Ore Materials: gold…
Additional documented workings
-
Adit
— documented in 5 source records.
USGS Historical Topographic Mine Features -
Shaft
— documented in 1 source record.
USGS Historical Topographic Mine Features
Historical mapped workings
USGS historical topographic mapping. Features may no longer exist.
- 2 shaft symbols
- 5 adit symbols
- Shaft : Como , 1987
- Adit : Como , 1957
- Adit : Como , 1987
- Adit : Como , 1987
- Adit : Como , 1987
- Adit : Como , 1957
View individual source records (8)
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. -
Adit
Mapped on historical USGS topographic data (Adit). Historical map features may no longer exist in the field. -
Adit
Mapped on historical USGS topographic data (Adit). Historical map features may no longer exist in the field. -
Adit
Mapped on historical USGS topographic data (Adit). Historical map features may no longer exist in the field. -
Adit
Mapped on historical USGS topographic data (Adit). 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.
- Derived from MRDS oper_type (existing operation): Underground
- MRDS oper_type documents existing underground operation (dev_stat=Past Producer): Underground · oper_type
Verification
Source Corroborated
Additional historical source evidence corroborates this record. This is not a member field verification of current conditions.
Why it's listed
USGS source data documents underground workings for this record.
History & operations
Historical record
- Development status: Past Producer
Operators / organizations
- Adamas Resources Corp. · Source-reported owner · 1997
Commodities & minerals
Reported minerals
- Andesite
- commodity:Gold
- commodity:Silver
- Native Gold
- Pyrite
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 (5)
Historical mapped features may no longer exist.
Mindat
Type: Mineralogical locality database
Record: Mindat Locality: 431305
Supports:
- locality identity
- reported minerals (5)
A Mindat locality match does not by itself establish underground workings.
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