USGS Mineral Resources Data System
Type: Historical mine record
Supports:
- mine identity
- development status
- commodities
- underground eligibility evidence
California · Shasta County
Afterthought
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
Also known as
- Copper Hill
Mine Location
Approximate AreaDocumented underground workings
Mindat locality description
A former Zn-Cu-Ag-Au-Pb mine located in secs. 10, 11 & 15, T33N, R2W, MDM, 0.7 km (2,300 feet) NNW of Ingot and 24 miles E of Redding. Discovered in 1862. First production was 1873. Produced from 1905-1952. Closed in 1952. Owned by the Coronado Copper …
Historical mapped workings
USGS historical topographic mapping. Features may no longer exist.
- 5 adit symbols
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): Underground · oper_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
- Barite
- Azurite
- Bornite
- Chalcocite
- Chalcopyrite
- Covellite
- Galena
- Limonite
View all 34 reported minerals
- Barite
- Azurite
- Bornite
- Chalcocite
- Chalcopyrite
- Covellite
- Galena
- Limonite
- Luzonite
- Malachite
- Pyrite
- Sphalerite
- Tennantite
- Tetrahedrite
- Azurite
- Baryte
- Bornite
- Calcite
- Chalcocite
- Chalcopyrite
- Covellite
- Digenite
- Dolomite
- Galena
- Luzonite
- Malachite
- Muscovite
- Native Silver
- Pyrite
- Quartz
- Sericite
- Sphalerite
- Tenorite
- 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 (5)
Historical mapped features may no longer exist.
Mindat
Type: Mineralogical locality database
Record: Mindat Locality: 27934
Supports:
- locality identity
- reported minerals (20)
A Mindat locality match does not by itself establish underground workings.
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