Dow Prospect

The Dow Prospect is a mine located in Lake 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: Dow Prospect

State:  California

County:  Lake

Elevation:

Commodity:

Lat, Long: 39.09306, -122.63083

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 Dow Prospect

Dow Prospect MRDS details

Site Name

Primary: Dow Prospect


Commodity

Tertiary: Manganese


Location

State: California
County: Lake


Land Status

Not available


Holdings

Not available


Workings

Not available


Ownership

Owner Name: Frank S. Simons And Max D. Crittenden, Jr.


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: AVERAGE GRADE 35 PERCENT MANGANESE


Materials

Ore: Pyrolusite


Comments

Comment (Geology): GEOL.DESC: ORE IS IRREGULARLY DISTRIBUTED IN CHERT ALONG STRIKE OF N 55 - 80 W. THE ORE BED DIPS 45 TO 50 S.W. AND IS SOFT BLACK PYROLUSITE WITH CORES OF WHITE TO REDDISH BROWN LEACHED CHERT. SHALE AND SANDSTONE ARE INTERBEDDED IN THE CHERT COUNTRY ROCK.

Comment (Deposit): BEST ORE CONTAINS ABOUT 45% MANGANESE;AVERAGE GRADE IS NEARLY 35%; SILICA CONTENT IS 20 TO 30%.

Comment (Workings): LITTLE DEVELOPMENT HAS BEEN DONE


References

Reference (Deposit): CALIF. BULL. 152, PP. 89-90

Reference (Deposit): D.O.M. BULL. 125 1943 P. 124


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.