USGS Mineral Resources Data System
Type: Historical mine record
Supports:
- mine identity
- development status
- commodities
- underground eligibility evidence
Nevada · Esmeralda County
Pretty Boy Claims
Unconfirmed Gold Mixed Underground / Surface
Key facts
- State
- Nevada
- County
- Esmeralda
- Mining district
- Gilbert (Desert) District
- Development status
- Occurrence
- Mine type
- Mixed underground / surface
- Primary commodity
- Gold
- Verification
- Unconfirmed
Also known as
- Original Gilbert Prospect., NBMG Sample Site 1266
Mine Location
Approximate AreaDocumented underground workings
Mindat locality description
Structure: Fissuring Alteration: Silicification Deposit: 3 rather poorly defined veins or zones of mineralization 40 to 50 ft apart roughly following the strike and dip of the chert. Veins are of brecciated chert cemented by small veinlets of drusy a…
Historical mapped workings
USGS historical topographic mapping. Features may no longer exist.
- 17 shaft symbols
- 7 adit symbols
View individual source records (2)
Every underlying record used to build the summary above, for research/verification use.
- 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
Operators / organizations
- Prester, Hazel · Source-reported owner
Commodities & minerals
Reported minerals
- Calcite
- Jarosite
- Pyrite
- Quartz
- Chalcopyrite
- Calcite
- Chalcopyrite
- commodity:Copper
View all 14 reported minerals
- Calcite
- Jarosite
- Pyrite
- Quartz
- Chalcopyrite
- Calcite
- Chalcopyrite
- commodity:Copper
- commodity:Gold
- Jarosite
- Pyrite
- Quartz
- Rhyolite
- Slate
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 (17)
- mapped adit symbols (7)
Historical mapped features may no longer exist.
Mindat
Type: Mineralogical locality database
Record: Mindat Locality: 429190
Supports:
- locality identity
- reported minerals (9)
A Mindat locality match does not by itself establish underground workings.
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