Mammoth Group

The Mammoth Group is a gold mine located in Mariposa county, California.

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: Mammoth Group  

State:  California

County:  Mariposa

Elevation:

Commodity: Gold

Lat, Long: 37.25278, -120.01222

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 Mammoth Group

Mammoth Group MRDS details

Site Name

Primary: Mammoth Group


Commodity

Primary: Gold
Secondary: Copper


Location

State: California
County: Mariposa


Land Status

Not available


Holdings

Not available


Workings

Type: Underground


Ownership

Owner Name: Leonard And Sidney
Years: 1907 -


Production

Not available


Deposit

Record Type: Site
Operation Category: Past Producer
Deposit Type: Vein
Operation Type: Unknown
Years of Production:
Organization:
Significant: N
Deposit Size: S


Physiography

General Physiographic Area: Pacific Mountain System
Physiographic Province: Pacific Border Province
Physiographic Section: California Trough


Mineral Deposit Model

Not available


Orebody

Not available


Structure

Not available


Alterations

Not available


Rocks

Not available


Analytical Data

Not available


Materials

Not available


Comments

Comment (Production): SOME SULFIDE ORE SHIPPED RAN 20 - 22 % CU. NO PRODUCTION REPORTED

Comment (Deposit): THREE STEEPLY DIPPING VEINS WITHIN ZONE 600 FT. WIDE.

Comment (Workings): 1908 ; EAST VEIN HAD SHAFT 80 FT. DEEP, MIDDLE VEIN HAD SHAFTS 20 AND 25 FT. DEEP, WEST VEIN HAD ONE SHAFT 50 FT. DEEP.


References

Reference (Deposit): BOWEN, O. E. AND CLIFFTON, G. H., 1957 , MINES AND MINERAL RESOURCES OF MARIPOSA COUNTY, CALIFORNIA; CALIF. JOUR. MINES AND GEOLOGY, VOL. 53 , NO. 1 & 2 , P. 229 .

Reference (Deposit): ERIC, J. H., 1948 , COPPER IN CALIFORNIA BULL. 144 ; DIV. OF MINES, P. 268

Reference (Production): %RIC, J. H., 1948 , P. 268 (SEE REF.)


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.