USGS Mineral Resources Data System
Type: Historical mine record
Supports:
- mine identity
- development status
- commodities
- underground eligibility evidence
California · Shasta County
Donkey
Unconfirmed Copper Underground
Key facts
- State
- California
- County
- Shasta
- Mining district
- East Shasta Copper - Zinc
- Development status
- Past Producer
- Mine type
- Underground
- Primary commodity
- Copper
- Verification
- Unconfirmed
Mine Location
Approximate AreaDocumented underground workings
Mindat locality description
A former lode Cu-Zn-Ag-Pb-Au occurrence/prospect/mine located 2.1 km (6,800 feet) E of Ingot, E of Little Cow Creek. MRDS database stated accuracy for this location is 500 meters. Mineralization is a deposit hosted in the Bully Hill Rhyolite. The or…
Historical mapped workings
USGS historical topographic mapping. Features may no longer exist.
- 2 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: Past Producer
Commodities & minerals
Reported minerals
- Baryte
- Calcite
- Chalcopyrite
- Dolomite
- Galena
- Muscovite
- Pyrite
- Quartz
View all 11 reported minerals
- Baryte
- Calcite
- Chalcopyrite
- Dolomite
- Galena
- Muscovite
- Pyrite
- Quartz
- Sericite
- Sphalerite
- Tetrahedrite Subgroup
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 adit symbols (2)
Historical mapped features may no longer exist.
Mindat
Type: Mineralogical locality database
Record: Mindat Locality: 92573
Supports:
- locality identity
- reported minerals (11)
A Mindat locality match does not by itself establish underground workings.
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