USGS Mineral Resources Data System
Type: Historical mine record
Supports:
- mine identity
- development status
- commodities
- underground eligibility evidence
California · Tulare County
Tulare County Tungsten Mines
Unconfirmed Tungsten Mixed Underground / Surface
Key facts
- State
- California
- County
- Tulare
- Development status
- Past Producer
- Mine type
- Mixed underground / surface
- Primary commodity
- Tungsten
- Verification
- Unconfirmed
Also known as
- Tulare County Tungsten, Big Jim
Mine Location
Approximate AreaDocumented underground workings
Mindat locality description
A former W mine located in the NE¼ (estimated) sec. 11, T19S, R28E, MDM, 4.7 km (2.9 miles) SSE of Potato Hill and 10.3 km (6.4 miles) WSW of Dumtah, on the eastern ridge of Chickencoop Canyon, about 12½ miles E of Exeter, on National Forest land (loca…
View individual source records (3)
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
- 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
Operators / organizations
- Gill, Will And Edwina · Source-reported owner · 1972
Commodities & minerals
Reported minerals
- Calcite
- commodity:Tungsten
- Epidote
- Garnet Group
- Pyroxene Group
- Quartz
- Scheelite
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: 97469
Supports:
- locality identity
- reported minerals (7)
A Mindat locality match does not by itself establish underground workings.
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