Grummett Manganese Mine No. 2

The Grummett Manganese Mine No. 2 is a mine located in Stanislaus 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: Grummett Manganese Mine No. 2

State:  California

County:  Stanislaus

Elevation:

Commodity:

Lat, Long: 37.52722, -121.34389

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 Grummett Manganese Mine No. 2

Grummett Manganese Mine No. 2 MRDS details

Site Name

Primary: Grummett Manganese Mine No. 2


Commodity

Tertiary: Manganese


Location

State: California
County: Stanislaus


Land Status

Not available


Holdings

Not available


Workings

Not available


Ownership

Not available


Production

Not available


Deposit

Record Type: Site
Operation Category: Occurrence
Operation Type: Unknown
Years of Production:
Organization:
Significant: N


Physiography

General Physiographic Area: Pacific Mountain System
Physiographic Province: Pacific Border Province
Physiographic Section: California Coast Ranges


Mineral Deposit Model

Not available


Orebody

Not available


Structure

Not available


Alterations

Not available


Rocks

Not available


Analytical Data

Analytical Data: SORTED ORE GRADES 30 PERCENT MANGANESE


Materials

Not available


Comments

Comment (Location): LOCATED IN SE 1/4 SECTION 6

Comment (Geology): GEOL.DESC: ORE ZONE TRENDS N 60 E. MANGANESE OCCURS AS BLACK OXIDE IN THE FORM OF STAINS, LAYERS AND POCKETS, IN THE UPPER PORTION OF A BED OF MASSIVE WHITE CHERT, DIPPING 65 N. ENCLOSING ROCKS ARE THIN-BEDDED CHERTS AND SHALES. ORE BEARING LAYER VARIES IN THICKNESS FROM 1/2 TO 1 FT. IN E WORKINGS, ORE STRIKES N 20 E AND DIPS 75 E.


References

Reference (Deposit): D.O.M. BULL. 152 1950 P. 291

Reference (Deposit): D.O.M. BULL. 125 1943 P. 190


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.