USGS Mineral Resources Data System
Type: Historical mine record
Supports:
- mine identity
- development status
- commodities
- underground eligibility evidence
California · Mariposa County
Sebastopol
Unconfirmed Gold Mixed Underground / Surface
Key facts
- State
- California
- County
- Mariposa
- Development status
- Past Producer
- Mine type
- Mixed underground / surface
- Primary commodity
- Gold
- Verification
- Unconfirmed
Mine Location
Approximate AreaDocumented underground workings
Mindat locality description
A former lode Au mine located in the E½E½ sec. 32, T5S, R19E, MDM, 2.5 km (8,200 feet) WSW of Bootjack. Owned by Belle McCord Roberts (1927). MRDS database stated accuracy for this location is 1,000 meters. Mineralization is a vein deposit hosted in…
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: Past Producer
Commodities & minerals
Reported minerals
- Quartz
Access & recent conditions
- Land
- unknown
Community reports
No community field reports yet.
I Visited This MineSources & evidence
Mindat
Type: Mineralogical locality database
Record: Mindat Locality: 82501
Supports:
- locality identity
A Mindat locality match does not by itself establish underground workings.
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