USGS Mineral Resources Data System
Type: Historical mine record
Supports:
- mine identity
- development status
- commodities
- underground eligibility evidence
California · Amador County
Chaparral
Unconfirmed Copper Underground
Key facts
- State
- California
- County
- Amador
- Development status
- Occurrence
- Mine type
- Underground
- Primary commodity
- Copper
- Verification
- Unconfirmed
Mine Location
Approximate AreaDocumented underground workings
Mindat locality description
A Cu occurrence/prospect located in sec. 10, T5N, R10E, MDM, 2.9 km (1.8 miles) NW of Chrome Mountain (coordinates of record), S of Jackson Creek, on private land. Discovered in 1864. Operated in the 1860's. Now owned by the East Bay Municipal Utility …
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
- East Bay Municipal Utility District · Historical operator
Commodities & 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: 73524
Supports:
- locality identity
A Mindat locality match does not by itself establish underground workings.
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