The Gopher-Boulder is a gold mine located in El Dorado county, California at an elevation of 1,801 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: 1,801 Feet (549 Meters)
Commodity: Gold
Lat, Long: 38.80583, -120.83389
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.
Gopher-Boulder MRDS details
Site Name
Primary: Gopher-Boulder
Commodity
Primary: Gold
Location
State: California
County: El Dorado
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
Type: L
Description: Fault Transverse To Veins
Alterations
Not available
Rocks
Not available
Analytical Data
Analytical Data: ORE AVERAGED $2.50 TO $6. PER TON AU, UP TO $16 PER TON AU
Materials
Ore: Gold
Comments
Comment (Commodity): ORE AVERAGED $2.50 TO $6 PER TON AU WORKED FROM HANGING WALL SIDE OF GOPHER AND FOOTWALL OF BOULDER
Comment (Location): UTM ACC. SW 1/4 SEC. 11 , N 1/2 SEC. 14
Comment (Production): PROSPECTED 1931 AND 1934 - 1936
Comment (Deposit): TWO VEINS, GOPHER STRIKES N 23 W, DIPS NE, BOULDER VEIN INFO. GIVEN. VEIN 30 - 100 FT. THICK, FLAT QUARTZ STRINGERS
Comment (Workings): DEVELOPED BY 260 FT. INCLINED SHAFT 35 DEG. WITH LEVELS AT 50 FT. INTERVALS, A 200 FT. DRIFT ADIT, 850 FT. CROSSCUT ADIT AND OPEN CUTS
References
Reference (Deposit): TUCKER, W. B., 1919 , EL DORADO COUNTY: CALIF. MIN. BUR. REPT., 15TH REPT. STATE MIN., P. 87 .
Reference (Production): CLARK ( 1956 )
Reference (Deposit): CLARK, W. B., AND CARLSON, D. W., 1956 , MINES AND MINERAL RESOURCES OF EL DORADO CO., CALIF.: CALIF. JOUR. OF MINES AND GEOL., VOL. 52 , NO. 4 , PG. 505 AND PL. 10 .
Reference (Deposit): LOGAN, C. A., 1935 , MOTHER LODE GOLD BELT OF CALIF.: CALIF. DIV. MINES BULL. 108 , PG. 24 - 25 AND PL. II.
Reference (Deposit): LOGAN, C. A., 1938 , MIN. RESOURCES OF EL DORADO CO.: CALIF. JOUR. OF MINES AND GEOL., VOL. 34 , NO. 3 , PG. 262 AND PL. II.
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.
