California · Trinity County
Occurrence
Armstrong No. 2 Prospect
Trinity County, California, United States
Manganese
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USGS source ↗
Commodities
Primary
Manganese
Commodity type
M
Deposit
Deposit size
N
Materials
Ore minerals
Hausmannite, Rhodochrosite
Geology
Host rock
Chert
Economic & production
Development status
Occurrence
Identification
Deposit ID
10033666
MRDS ID
M020294
Region
NA
Data score
C
Coordinates
40.18791, -123.30472
References
D.O.M. BULL. 152 1950 PP. 302 - 303D.O.M. BULL. 125 1943 P. 194