USGS Mineral Resources Data System
Type: Historical mine record
Supports:
- mine identity
- development status
- commodities
- underground eligibility evidence
California · Santa Clara County
Providencia
Mindat Confirmed Mercury Underground
Key facts
- State
- California
- County
- Santa Clara
- Mining district
- New Almaden
- Development status
- Past Producer
- Mine type
- Underground
- Primary commodity
- Mercury
- Verification
- Mindat Confirmed
Mine Location
Approximate AreaDocumented underground workings
Mindat locality description
A former Hg occurrence/mine located in the SE¼SE¼SW¼ sec. 33, T8S, R1E, MDM, about 4.0 km WNW of New Almaden (S slope of Los Capitancillos Ridge. Located on middle adit), on county owned land (Almaden Quicksilver County Park). Discovered prior to 1861…
Additional documented workings
-
Adit
— documented in 1 source record.
Mindat
Historical mapped workings
USGS historical topographic mapping. Features may no longer exist.
- 2 shaft symbols
- 8 adit symbols
View individual source records (3)
Every underlying record used to build the summary above, for research/verification use.
-
Adit
Documented in Mindat locality data. Evidence: R1E, MDM, about 4.0 km WNW of New Almaden (S slope of Los Capitancillos Ridge. Located on middle adit), on county owned land (Almaden…
- USGS MRDS working type: Underground
- MRDS work_type documents underground workings: Underground · work_type
Verification
Mindat Confirmed
Mindat locality corroborates underground workings.
Why confirmed?
Mindat locality corroborates underground workings.
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
- 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: 92300
Supports:
- locality identity
- reported minerals (4)
- underground workings
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