The San Mateo is a mercury mine located in Santa Clara county, California at an elevation of 699 feet.
About the MRDS Data:
All mine locations were obtained from the USGS Mineral Resources Data System. The locations and other information in this database have not been verified for accuracy. It should be assumed that all mines are on private property.
Mine Info
Elevation: 699 Feet (213 Meters)
Commodity: Mercury
Lat, Long: 37.19972, -121.87583
Map: View on Google Maps
Satelite View
MRDS mine locations are often very general, and in some cases are incorrect. Some mine remains have been covered or removed by modern industrial activity or by development of things like housing. The satellite view offers a quick glimpse as to whether the MRDS location corresponds to visible mine remains.
San Mateo MRDS details
Site Name
Primary: San Mateo
Commodity
Primary: Mercury
Location
State: California
County: Santa Clara
District: New Almaden
Land Status
Not available
Holdings
Not available
Workings
Not available
Ownership
Not available
Production
Year: 1940
Time Period: To 1940
Material type: HG
Description: Cp_Grade: ^1% Hg
Deposit
Record Type: Site
Operation Category: Past Producer
Operation Type: Unknown
Discovery Year: 1860
Years of Production:
Organization:
Significant: N
Deposit Size: S
Physiography
General Physiographic Area: Pacific Mountain System
Physiographic Province: Pacific Border Province
Physiographic Section: California Coast Ranges
Mineral Deposit Model
Not available
Orebody
Not available
Structure
Type: L
Description: Faults Striking N 55 W
Alterations
Alteration Type: L
Alteration Text: Silicification And Argillization Along Faults
Rocks
Name: Siltstone
Role: Host
Age Type: Host Rock
Age Young: Late Cretaceous
Analytical Data
Not available
Materials
Ore: Cinnabar
Gangue: Dolomite
Gangue: Pyrite
Comments
Comment (Production): ONE OF THE "OUTSIDE" NEW ALMADEN MINES
Comment (Location): JUST BELOW GUADELUPE DAM
References
Reference (Deposit): BAILEY, E. H. AND EVERHART, D. L., 1964, GEOLOGY AND QUICKSILVER DEPOSITS OF THE NEW ALMADEN DISTRICT, SANTA CLARA COUNTY, CALIFORNIA: USGS PROF. PAPER 360, 206 P
Reference (Production): BAILEY AND EVERHART, 1964
California Gold
"Where to Find Gold in California" looks at the density of modern placer mining claims along with historical gold mining locations and mining district descriptions to determine areas of high gold discovery potential in California. Read more: Where to Find Gold in California.
