California · Mendocino County
Occurrence
Ash Hollow Prospect
Mendocino County, California, United States
Manganese
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USGS source ↗
Commodities
Tertiary
Manganese
Commodity type
M
Economic & production
Development status
Occurrence
Discovery year
1917
Identification
Deposit ID
10211843
MRDS ID
M010055
Region
NA
Data score
D
Coordinates
39.90376, -123.2169
References
CALIF JOUR MINES AND GEOL V49 NO4 OCT 1953 P384