Fort Baker

The Fort Baker is a manganese and gold mine located in Marin county, California.

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: Fort Baker

State:  California

County:  Marin

Elevation:

Commodity: Manganese, Gold

Lat, Long: 38.07305, -122.72020

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 Fort Baker

Fort Baker MRDS details

Site Name

Primary: Fort Baker


Commodity

Primary: Manganese
Primary: Gold


Location

State: California
County: Marin


Land Status

Not available


Holdings

Not available


Workings

Not available


Ownership

Owner Name: U.S. Government


Production

Not available


Deposit

Record Type: Site
Operation Category: Occurrence
Operation Type: Unknown
Years of Production:
Organization:
Significant: N


Physiography

Not available


Mineral Deposit Model

Not available


Orebody

Not available


Structure

Not available


Alterations

Not available


Rocks

Not available


Analytical Data

Not available


Materials

Ore: Psilomelane


Comments

Comment (Workings): UNDEVELOPED.

Comment (Geology): GEOL.DESC: STRATIFIED DEPOSIT OF PSILOMELANE,18 INCHES THICK GRADES UP INTO LEAN ORE OF CHERT AND SHALE HIGHLY CHARGED WITH PSILOMELANE, AND 12 FEET THICK. ORE BODY IS NEAR INTRUSIVE CONTACT WITH ELLIPSOIDAL BASALTS.


References

Reference (Deposit): BULL. 152, P. 105; ADD. REF.: USGS FOLIO 193, P. 23

Reference (Deposit): DOM BULL. 125, P. 131

Reference (Deposit): CALIF. JOUR. MINES & GEOL. V. 51, NO. 3, JULY 1955, P. 280, 282


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.