California · Lake County
Past Producer
Phillips
Lake 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
Past Producer
First production
1918
Discovery year
1917
Identification
Deposit ID
10212429
MRDS ID
M009035
Alternate names
Grand View, White Rock
Region
NA
Data score
C
Coordinates
39.14457, -122.98139
References
CDMG BULL 152,1950USGS FILE OF 1918USBM.R.I. 5579,1960