New Almaden - San Francisco Area

The New Almaden - San Francisco Area is a mercury mine located in Santa Clara county, California at an elevation of 1,401 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

Name: New Almaden - San Francisco Area  

State:  California

County:  Santa Clara

Elevation: 1,401 Feet (427 Meters)

Commodity: Mercury

Lat, Long: 37.17333, -121.84444

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.


Satelite image of the New Almaden - San Francisco Area

New Almaden - San Francisco Area MRDS details

Site Name

Primary: New Almaden - San Francisco Area


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

Not available


Deposit

Record Type: Site
Operation Category: Past Producer
Operation Type: Unknown
Discovery Year: 1846
Years of Production:
Organization:
Significant: N
Deposit Size: M


Physiography

General Physiographic Area: Pacific Mountain System
Physiographic Province: Pacific Border Province
Physiographic Section: California Coast Ranges


Mineral Deposit Model

Not available


Orebody

Form: IRREGULAR


Structure

Not available


Alterations

Alteration Type: L
Alteration Text: Silica Carbonate Alteration Of Serpentine


Rocks

Name: Serpentinite
Role: Host
Age Type: Host Rock
Age Young: Late Cretaceous

Name: Serpentinite
Role: Host
Age Type: Host Rock Unit
Age Young: Late Cretaceous


Analytical Data

Not available


Materials

Ore: Cinnabar


Comments

Comment (Location): LOCATION UNCERTAIN FOR SAN FRANCISCO SHAFT

Comment (Production): CONSIDERED PART OF THE NEW ALMADEN MINE


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): USBM DATA


California Gold

Where to Find Gold in California

"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.