The Black Jack is a mine located in Alameda county, California at an elevation of 2,142 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: 2,142 Feet (653 Meters)
Commodity:
Lat, Long: 37.5894, -121.61140
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 Jack MRDS details
Site Name
Primary: Black Jack
Commodity
Tertiary: Manganese
Tertiary: Silica
Location
State: California
County: Alameda
District: Tesla
Land Status
Land ownership: Private
Note: the land ownership field only identifies whether the area the mine is in is generally on public lands like Forest Service or BLM land, or if it is in an area that is generally private property. It does not definitively identify property status, nor does it indicate claim status or whether an area is open to prospecting. Always respect private property.
Holdings
Type: Fee Ownership
Workings
Not available
Ownership
Owner Name: Holm, W. And Ione, L. S., And L. J.
Percent: 100.0
Home Office: 12120 Mines Rd, Livermore, Ca, 94550
Info Year: 1975
Production
Not available
Deposit
Record Type: Site
Operation Category: Past Producer
Operation Type: Underground
Mining Method: Unknown
Year First Production: 1885
Discovery Year: 1884
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
Not available
Analytical Data
Not available
Materials
Unknown: Chert
Unknown: Psilomelane
Unknown: Pyrolusite
Comments
Not available
References
Reference (Deposit): CDMG,BULL.76,1918
Reference (Deposit): CDMG,BULL.152,1950
Reference (Deposit): CDMG,BULL.125,1943
Reference (Deposit): CDMG,BULL.140
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.
