California · Siskiyou County
Past Producer
Gray Ledge
Siskiyou County, California, United States
Manganese
Silica
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USGS source ↗
Commodities
Tertiary
Manganese, Silica
Commodity type
M
Materials
Other materials
Muscovite, Psilomelane, Quartz, Rhodochrosite, Rhodonite
Economic & production
Development status
Past Producer
Discovery year
1941
Identification
Deposit ID
10286986
MRDS ID
M020229
Alternate names
National Defense Claim, Claim No. 1, King Claim, Pink Darling,
Region
NA
Data score
C
Coordinates
41.32484, -123.02112
References
TRASK-GEO DESCRIPT MN DEPS OF CAL-CAL.DIV.MINES BUL.152-APRITRENGOVE-RECON OF CAL MN DEPS-USBM.RPT.OF INVEST.5579-1960