California · Mendocino County
Prospect
Harms
Mendocino 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, Pyrolusite
Economic & production
Development status
Prospect
Identification
Deposit ID
10097029
MRDS ID
M010048
Region
NA
Data score
C
Coordinates
39.46319, -123.17193
References
CALIF. JOUR. MINES & GEOLOGY, V. 49, NO. 4, OCT. 1953, P. 386D.O.M. BULL. 152, PP. 123-125