Big Sandy

The Big Sandy is a gold mine located in El Dorado county, California at an elevation of 1,991 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: Big Sandy  

State:  California

County:  El Dorado

Elevation: 1,991 Feet (607 Meters)

Commodity: Gold

Lat, Long: 38.78889, -120.82000

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 Big Sandy

Big Sandy MRDS details

Site Name

Primary: Big Sandy
Secondary: James Marshall


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

Not available


Alterations

Not available


Rocks

Not available


Analytical Data

Not available


Materials

Gangue: Ankerite


Comments

Comment (Geology): CRYSTALLINE GOLD IN POCKETS, DEPOSIT IN MARIPOSA SLATE, ON THE SURFACE NEAR SHAFT, THE FOOTWALL ROCK IS AN AMPHIBOLITE SCHIST DIKE, AND THE SECTION ACROSS THE CLAIM SHOWS IN ORDER GOING EAST, BANDS OF PORPHYRY (ALTERED, OBSCURE) SOAPSTONE AND ANKERITE, TALCOSE SCHIST, VEIN MATTER 15 FT. WIDE COMPOSED OF STRINGER LEADS OF QUARTZ AND CARBONATES IN ALTERED SCHIST, AND MARIPOSA SLATE 50 FT. WIDE.

Comment (Deposit): VEIN AND POCKETS

Comment (Workings): DEVELOPED BY OPEN CUT AND 340 FT SHAFT WITH LEVELS AT 60 , 120 , 227 , AND 323 . VEIN INTERSECTED BY SHAFT AT 240 FT, NUMEROUS DRIFTS.

Comment (Commodity): CRYSTALLINE GOLD FOUND

Comment (Location): UTM ACC SE 1/4 OF NW 1/4 SEC

Comment (Production): ACTIVE 1890S, 1930S


References

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. 408 - 9 , 488 AND PL 10 .

Reference (Deposit): LOGAN, C. A., 1935 , MOTHER LODE GOLD BELT OF CALIF.: CALIF. DIV. MINES BULL. 108 , PG. 19 - 20 .

Reference (Deposit): TUCKER, W. B., 1919 , EL DORADO COUNTY: CALIF. MIN. BUR. REPT., 15TH REPT. STATE MIN., P. 281 .

Reference (Production): LOGAN ( 1935 )


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.