The Big Spring Claim is a gold mine located in Calaveras county, California at an elevation of 1,450 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: 1,450 Feet (442 Meters)
Commodity: Gold
Lat, Long: 38.05306, -120.52694
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.
Big Spring Claim MRDS details
Site Name
Primary: Big Spring Claim
Secondary: Graham
Commodity
Primary: Gold
Location
State: California
County: Calaveras
Land Status
Not available
Holdings
Not available
Workings
Type: Surface/Underground
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: 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: Gold
Gangue: Quartz
Comments
Comment (Deposit): VEINS, 10 TO 100 FT THICK, TWO VEINS ON PROPERTY, BOTH HAVE SIMILAR STRIKE AND DIP. BACK VEIN HAS AVERAGE THICKNESS OF 5 FT, OTHER VEIN IS 80 FT E AT SURFACE
Comment (Workings): DEVELOPED BY 100 FT SHAFT, SOME SURFACE ORE MINED LATER DEVELOPED BY 230 FT INCLINED SHAFT
Comment (Geology): GEOL.DESC: VEIN 10 TO 100 FT THICK, THERE ARE TWO VEINS ON PROPERTY, BOTH HAVE SIM STRIKE & DIP. BACK VEIN HAS AVE. THICKNESS OF 5 FT, OTHER VEIN IS MOTHER LODE VEIN, 80 FT EAST AT SURFACE
Comment (Commodity): ORE CONTAINS FREE GOLD, PYRITE AND CONSIDERABLE GOUGE ORE IN 1938 UP TO $60 PER TON AU
Comment (Location): UTM EST, SE 1/4 SEC
Comment (Production): PROSPECTED IN 1920 - 21 BY ANGELS CAMP DEEP CO. ORIGINALLY WORKED DURING GOLD RUSH WHERE RICH SURFACE ORES MINED IN AREA. OPERATED CONTINUOUSLY 1932 - 41 . ORE IN 1938 OCCASIONALLY WAS VALUED AS HIGH AS $60 PER TON
References
Reference (Deposit): CLARK, W.B., LYDON, P.A., 1962 , MINES AND MINERAL RESOURCES OF CALAVERAS COUNTY, CALIF.; COUNTY REPORT 2 ; CALIF. DIV. OF MINES AND GEOLOGY, P 34 - 35 , 42 AND PLB
Reference (Deposit): LOGAN, C.A., 1934 , THE MOTHER LODE GOLD BELT OF CALIF: CALIF DIV. OF MINES BULL. 108 P 128
Reference (Deposit): LOGAN, C.A., FRANKE, H., 1936 , MINES AND MINERAL RESOURCES OF CALAVERAS COUNTY; CALIF. JOUR. MINES AND GEOLOGY, VOL. 32 , NO. 3 ; DIV. OF MINES, P. 298
Reference (Production): LOGAN ( 1934 ), CLARK ( 1962 )
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.
