The Herndon Manganese No. 1 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
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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.
Herndon Manganese No. 1 MRDS details
Site Name
Primary: Herndon Manganese No. 1
Commodity
Tertiary: Manganese
Location
State: California
County: Lake
Land Status
Not available
Holdings
Not available
Workings
Not available
Ownership
Owner Name: N. W. Herndon
Production
Not available
Deposit
Record Type: Site
Operation Category: Prospect
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
Not available
Materials
Ore: Psilomelane
Comments
Comment (Geology): GEOL.DESC: ORE BEDS LIE PARALLEL WITHIN RED FRANCISCAN RADIOLARIAN CHERTS, WITH A TOTAL THICKNESS OF 25 FT. CHERTS STRIKE N 60 W AND DIP 45 N. THE CHERT AND MANGANESE ORE BODIES ARE UNDERLAIN BY GREENSTONES; AND CUT BY SMALL FAULTS. THE ORE IS MASSIVE OPALINE IRON MANGANESE, WHICH IS HARD, BRITTLE, AND VARIOUS COLORS. SOME PSILOMELANE IS FOUND IN RED IRON OXIDE PARTINGS WITHIN THE CHERT.
Comment (Deposit): THICKNESS OF ORE & CHERT - 25' OPEN PIT. LA BREE CLAIM IS 750' W OF HERNDON CLAIM. HEMATITE ABOUT 5' THICK.
Comment (Production): NO PRODUCTION.
Comment (Workings): TRENCH 20 FT. LONG
References
Reference (Deposit): CALIF. B. 125, 1943, P. 125
Reference (Deposit): CALIF. BULL. 152, PP. 91-92, 93
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.
