USGS Mineral Resources Data System
Type: Historical mine record
Supports:
- mine identity
- development status
- commodities
- underground eligibility evidence
California · Amador County
Farci Pit
Unconfirmed Clay Mixed Underground / Surface
Key facts
- State
- California
- County
- Amador
- Development status
- Past Producer
- Mine type
- Mixed underground / surface
- Primary commodity
- Clay
- Verification
- Unconfirmed
Mine Location
Approximate AreaDocumented underground workings
Mindat locality description
A clay occurrence/pit operation located in the SW¼ sec. 5, T5N, R10E, MDM, 2.1 km (1.3 miles) NNE of Buena Vista, on private land. Operated by the Western Refractories Co., which leased the property in 1950. MRDS database stated accuracy for this locat…
View individual source records (2)
Every underlying record used to build the summary above, for research/verification use.
- Derived from MRDS oper_type (existing operation): Surface-Underground
- MRDS oper_type documents existing underground operation (dev_stat=Past Producer): Surface-Underground · oper_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
- Clay minerals
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: 73618
Supports:
- locality identity
- reported minerals (1)
A Mindat locality match does not by itself establish underground workings.