California · Trinity County
Occurrence
North Fork Deposit
Trinity County, California, United States
Manganese
Silica
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USGS source ↗
Commodities
Tertiary
Manganese, Silica
Commodity type
M
Materials
Other materials
Chert, Psilomelane, Pyrolusite
Economic & production
Development status
Occurrence
Discovery year
1941
Identification
Deposit ID
10263057
MRDS ID
M020344
Alternate names
Keating
Region
NA
Data score
C
Coordinates
40.18095, -123.21671
References
TRASK-GEO.DESCRIPT.MN.DEPS OF CAL-CAL.DIV.MINES BUL.152-APRIJENKINS-MN IN CALIF-CAL.DIV.OF MINES BUL.125-DEC.1943