The Mica Gem is a mine located in San Diego 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
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.
Mica Gem MRDS details
Site Name
Primary: Mica Gem
Secondary: Randsburg
Commodity
Tertiary: Tungsten
Location
State: California
County: San Diego
Land Status
Not available
Holdings
Not available
Workings
Not available
Ownership
Not available
Production
Not available
Deposit
Record Type: Site
Operation Category: Occurrence
Operation Type: Unknown
Years of Production:
Organization:
Significant: N
Physiography
General Physiographic Area: Pacific Mountain System
Physiographic Province: Lower California
Mineral Deposit Model
Not available
Orebody
Not available
Structure
Not available
Alterations
Not available
Rocks
Not available
Analytical Data
Not available
Materials
Ore: Scheelite
Gangue: Quartz
Gangue: Muscovite
Comments
Comment (Geology): GEOL.DESC: PEGMATITE DIKES WORKED FOR MICA IN 1938-1943, NO TUNGSTEN.
References
Reference (Deposit): WEBER, H.F., 1963; GEOLOGY AND MINERAL RESOURCES, SAN DIEGO CA.; COUNTY REPT. 3; CA. DIV. OF MINES OF GEOLOGY, P. 277.
Reference (Deposit): LEMMON, D.M., AND TWETO, O.L., 1962, TUNGSTEN IN THE U.S., USGS MAP, MR-25.
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.
