California · Placer County
Occurrence
Emma Deposit
Placer County, California, United States
Manganese
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USGS source ↗
Commodities
Tertiary
Manganese
Commodity type
M
Economic & production
Development status
Occurrence
Discovery year
1918
Identification
Deposit ID
10237477
MRDS ID
M020074
Region
NA
Data score
D
Coordinates
39.03739, -120.86133
References
DOM BULL 152,P 168;BULL 125,P 149;USGS FOLIO 66;USBM R 1 557