USGS Mineral Resources Data System
Type: Historical mine record
Supports:
- mine identity
- development status
- commodities
- underground eligibility evidence
California · Alpine County
Zaca
Unconfirmed Gold Mixed Underground / Surface
Key facts
- State
- California
- County
- Alpine
- Mining district
- Monitor - Mogul
- Development status
- Past Producer
- Mine type
- Mixed underground / surface
- Primary commodity
- Gold
- Verification
- Unconfirmed
Also known as
- Advance, Colorado No 2, Tarshish
Mine Location
Approximate AreaDocumented underground workings
Source classification: Underground operation documented
Specific physical workings are not yet documented in discrete records.
Historical mapped workings
USGS historical topographic mapping. Features may no longer exist.
- 17 adit symbols
View individual source records (2)
Every underlying record used to build the summary above, for research/verification use.
- USGS MRDS working type: Surface/Underground
- MRDS work_type documents underground workings: Surface/Underground · work_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
- Siskon Corp. (Owner) , Box 889 , Reno, Nv.; Claude Lovestedt (Leased To), Box 265 , Minden, Ne · Source-reported owner
Commodities & minerals
Reported minerals
- Quartz
- Rhodochrosite
- Sanidine
- Argentite
- Chalcopyrite
- Enargite
- Gold
- Pyrite
View all 11 reported minerals
- Quartz
- Rhodochrosite
- Sanidine
- Argentite
- Chalcopyrite
- Enargite
- Gold
- Pyrite
- Silver
- Sphalerite
- Tetrahedrite
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 (17)
Historical mapped features may no longer exist.
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Historical mapped workings available