USGS Mineral Resources Data System
Type: Historical mine record
Supports:
- mine identity
- development status
- commodities
- underground eligibility evidence
California · Santa Clara County
Enriquita
Unconfirmed Mercury Mixed Underground / Surface
Key facts
- State
- California
- County
- Santa Clara
- Mining district
- New Almaden
- Development status
- Past Producer
- Mine type
- Mixed underground / surface
- Primary commodity
- Mercury
- Verification
- Unconfirmed
Mine Location
Approximate AreaDocumented underground workings
Mindat locality description
A former Hg occurrence/mine located in the NE¼NE¼SW¼ sec. 33, T8S, R1E, MDM, about 4.4 km WNW of New Almaden (2 miles NW of Mine Hill), on county land (Almaden Quicksilver County Park). Discovered prior to 1859. Produced during the period 1859 to 1863…
Historical mapped workings
USGS historical topographic mapping. Features may no longer exist.
- 2 shaft symbols
- 8 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
Commodities & minerals
Reported minerals
- Cinnabar
- Cinnabar
- commodity:Mercury
- Serpentine Subgroup
- Serpentinite
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 shaft symbols (2)
- mapped adit symbols (8)
Historical mapped features may no longer exist.
Mindat
Type: Mineralogical locality database
Record: Mindat Locality: 92238
Supports:
- locality identity
- reported minerals (4)
A Mindat locality match does not by itself establish underground workings.
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