California · Lake County
Prospect
Herndon Manganese No. 1
Lake County, California, United States
Manganese
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USGS source ↗
Commodities
Tertiary
Manganese
Commodity type
M
Deposit
Deposit size
N
Materials
Ore minerals
Psilomelane
Economic & production
Development status
Prospect
Identification
Deposit ID
10097020
MRDS ID
M008913
Region
NA
Data score
C
Coordinates
39.04405, -122.51163
References
CALIF. B. 125, 1943, P. 125CALIF. BULL. 152, PP. 91-92, 93