The Dorn is a manganese mine located in Mendocino 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.
Dorn MRDS details
Site Name
Primary: Dorn
Commodity
Primary: Manganese
Location
State: California
County: Mendocino
Land Status
Not available
Holdings
Not available
Workings
Not available
Ownership
Owner Name: Fahle, William A. And Roy O.
Production
Not available
Deposit
Record Type: Site
Operation Category: Producer
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 Coast Ranges
Mineral Deposit Model
Not available
Orebody
Not available
Structure
Not available
Alterations
Not available
Rocks
Not available
Analytical Data
Not available
Materials
Ore: Wad
Ore: Psilomelane
Ore: Pyrolusite
Comments
Comment (Geology): GEOL.DESC: LARGE BLOCKS OF MANGANESE STAINED CHERT. ORE OCCURS AS FRAGMENTS AND SMALL BLOCKS OF SOFT OXIDE ORE SURROUNDED BY LEACHED CHERT. ORE IS IMPURE PSILOMELANE, PYROLUSITE AND WAD.
Comment (Location): LOCATED IN S 1/2 SE 1/4 SECTION 28
Comment (Production): SMALL PRODUCTION. IDLE. NO ORE FOUND IN UPPER CUT BUT SOME GOOD ORE HAS BEEN FOUND IN THE LOWER CUTS, OCCURRING AS FRAGMENTS AND SMALL BLOCKS OF SOFT, EARTHY ORE, CONSISTING OF IMPURE PSILOMELANE, PYROLUSITE AND WAD. ABOUT 15 TONS OF ORE HAS BEEN MINED HERE.
Comment (Workings): FEW OPEN CUTS.
References
Reference (Deposit): CALIFORNIA JOURNAL OF MINES & GEOLOGY, V. 49, NO. 4 OCT., 1953, P. 385
Reference (Deposit): D.O.M. BULL. 152, P. 119
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.
