The Kern-Sierra Group is a tungsten, molybdenum, and copper mine located in Tulare county, California at an elevation of 6,499 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: 6,499 Feet (1,981 Meters)
Commodity: Tungsten, Molybdenum, Copper
Lat, Long: 35.9, -118.13333
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.
Kern-Sierra Group MRDS details
Site Name
Primary: Kern-Sierra Group
Secondary: Jupiter
Secondary: Whynot
Commodity
Primary: Tungsten
Primary: Molybdenum
Primary: Copper
Location
State: California
County: Tulare
Land Status
Land ownership: National Forest
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
Not available
Workings
Not available
Ownership
Not available
Production
Year: 1943
Time Period: 1942-1943
Material type: WO3
Description: Cp_Grade: ^0.6 To 1.5 %
Deposit
Record Type: Site
Operation Category: Past Producer
Operation Type: Unknown
Years of Production:
Organization:
Significant: N
Physiography
General Physiographic Area: Pacific Mountain System
Physiographic Province: Cascade-Sierra Mountains
Physiographic Section: Sierra Nevada
Mineral Deposit Model
Not available
Orebody
Not available
Structure
Not available
Alterations
Not available
Rocks
Not available
Analytical Data
Not available
Materials
Ore: Scheelite
Ore: Molybdenite
Ore: Chalcopyrite
Comments
Comment (Production): FROM 600 TONS TREATED IN 50 TON GRAVITY CONCENTRATOR ON PROPERTY
Comment (Deposit): SIERRA CLAIM, TWO TACTITE BODIES 25 FT. LONG AND 300 FT. APART. JUPITER CLAIM, TACTITE WITH SCHEELITE-RICH LENSES UP TO A FOOT LONG. WHYNOT CLAIM, 8 FT. THICK TACTITE LAYER.
Comment (Workings): SIERRA CLAIM, ADIT 130 FT. LONG AT DEPTH OF 47 FT. BELOW SOUTH EXPOSURE. JUPITER CLAIM, TWO CUTS AND A 100 FT. ADIT. WHYNOT CLAIM, SHALLOW CUT 15 FT. SQUARE
Comment (Deposit): JUPITER CLAIM WAS WORKED INTERMITTENTLY IN 1942-1943-NO IDEA IF ANY PRODUCTION CAME FROM THOSE WORKINGS. NO OTHER INFORMATION AVAILABLE
References
Reference (Deposit): GOODWIN, J.G., 1958; MINES AND MINERAL RESOURCES, TULARE COUNTY; CA. JOUR. MINES AND GEOLOGY, VOL. 54, NO. 3, P. 448
Reference (Deposit): KRAUSKOPF, K.B., 1953; TUNGSTEN DEPOSITS OF MADERA, FRESNO, TULARE COUNTIES; DIV. OF MINES, SPEC. REPT. 35, P. 82
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.
