Gopher-Boulder

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

Name: Gopher-Boulder  

State:  California

County:  El Dorado

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.


Satelite image of the Gopher-Boulder

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

"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.