USGS Mineral Resources Data System
Type: Historical mine record
Supports:
- mine identity
- development status
- commodities
- underground eligibility evidence
Nevada · Mineral County
Fletcher Prospect
Unconfirmed Mercury Underground
Key facts
- State
- Nevada
- County
- Mineral
- Mining district
- Pilot Mountains District
- Development status
- Occurrence
- Mine type
- Underground
- Primary commodity
- Mercury
- Verification
- Unconfirmed
Mine Location
Approximate AreaDocumented underground workings
Mindat locality description
Structure: Cinnabar Canyon And Los Steers Thrust Faults Faults Tectonics: Basin & Range Deposit: Highly broken cherts, shales and altered volcanic rocks of the excelsior formation. Rock formation(s): Excelsior Formation
Historical mapped workings
USGS historical topographic mapping. Features may no longer exist.
- 1 shaft symbol
- 11 adit symbols
View individual source records (2)
Every underlying record used to build the summary above, for research/verification use.
- USGS MRDS working type: Underground
- MRDS work_type documents underground workings: Underground · work_type
Verification
Unconfirmed
Source records support underground workings, but UndergroundMines has not yet independently verified this mine.
Why it's listed
USGS source data documents underground workings for this record.
History & operations
Historical record
- Development status: Occurrence
Operators / organizations
- Fletcher, Fred · Source-reported owner
Commodities & minerals
Reported minerals
- Cinnabar
- Cinnabar
- commodity:Mercury
- Shale
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 (11)
Historical mapped features may no longer exist.
Mindat
Type: Mineralogical locality database
Record: Mindat Locality: 39754
Supports:
- locality identity
- reported minerals (3)
A Mindat locality match does not by itself establish underground workings.
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Documented shaft/adit evidence
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Historical mapped workings available
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Documented adit evidence
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Documented shaft/adit evidence