The Black Mtn. is a gold mine located in San Mateo county, California at an elevation of 676 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: 676 Feet (206 Meters)
Commodity: Gold
Lat, Long: 37.7025, -122.43722
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.
Black Mtn. MRDS details
Site Name
Primary: Black Mtn.
Commodity
Primary: Gold
Location
State: California
County: San Mateo
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
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
Not available
Alterations
Not available
Rocks
Name: Sandstone
Role: Host
Age Type: Host Rock
Age Young: Late Jurassic
Analytical Data
Not available
Materials
Ore: Gold
Gangue: Quartz
Comments
Comment (Location): UTM EST. LOCATION EST. FROM REFERENCE. LAND UNSURVEYED FOR TOWNSHIP, RANGE AND SECTION.
Comment (Development): ECON.COM: NONE OF VEINS HAVE SUFFICENT EXTENT OR RICHNESS TO BE OF ECONOMIC IMPORTANCE
Comment (Deposit): STRINGERS IN FRANCISCAN FM. HOST ROCK. COMMONLY OCCUR IN FRACTURES
Comment (Workings): SOME SMALL DEVELOPMENT WORK DONE
Comment (Deposit): PART OF THE SAN BRUNO MTN GROUP. NO OTHER INFORMATION AVAILABLE ; INFO.SRC : 1 PUB LIT
References
Reference (Deposit): DAVIS, F. F., 1955, MINES & MINERAL RESOURCES OF SAN MATEO COUNTY, CALIF.: CALIF. JOUR. MINES AND GEOLOGY V. 51, NO. 4, P. 412
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.