California · Trinity County
Occurrence

Armstrong No. 3 Prospect

Trinity County, California, United States
Manganese
⌖ Show on mapUSGS source ↗
Commodities
TertiaryManganese
Commodity typeM
Deposit
Deposit sizeN
Materials
Ore mineralsRhodochrosite
Geology
Host rockChert
Economic & production
Development statusOccurrence
Identification
Deposit ID10033667
MRDS IDM020295
RegionNA
Data scoreC
Coordinates40.18318, -123.3
References
D.O.M. BULL. 152 1950 PP. 303 - 304D.O.M. BULL. 125 1943 P. 194