California · Mendocino County
Occurrence

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Mendocino County, California, United States
Manganese
⌖ Show on mapUSGS source ↗
Commodities
TertiaryManganese
Commodity typeM
Deposit
Deposit sizeN
Materials
Ore mineralsPsilomelane, Rhodochrosite
Economic & production
Development statusOccurrence
Identification
Deposit ID10031329
MRDS IDM010018
RegionNA
Data scoreC
Coordinates39.90514, -123.0286
References
CALIF. JOUR. MINES & GEOLOGY, V. 49, NO. 4, OCT. 1953, P. 391D.O.M. BULL. 152 1950 P. 140