California · Sonoma County
Producer
Boyer Mine
Sonoma County, California, United States
Manganese
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USGS source ↗
Commodities
Primary
Manganese
Commodity type
M
Deposit
Deposit size
S
Materials
Ore minerals
Psilomelane, Pyrolusite
Geology
Host rock
Shale,Chert
Economic & production
Development status
Producer
Identification
Deposit ID
10109395
MRDS ID
M020241
Region
NA
Data score
C
Coordinates
38.67432, -123.00997
References
D.O.M. BULL. 152 1950 P. 283D.O.M. BULL. 125 1943 P. 186