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
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.
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" 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.