California · Trinity County
Occurrence

Black Rock

Trinity County, California, United States
Manganese
⌖ Show on mapUSGS source ↗
Commodities
TertiaryManganese
Commodity typeM
Deposit
Deposit sizeN
Materials
Ore mineralsRhodonite
Geology
Host rockChert
Economic & production
Development statusOccurrence
Identification
Deposit ID10033676
MRDS IDM020306
RegionNA
Data scoreC
Coordinates40.64845, -123.45306
References
D.O.M. BULL. 152 1950 PP. 307 , 309D.O.M. BULL. 125 1943 P. 196