California · Napa County
Occurrence
Napa Copper
Napa County, California, United States
Copper
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USGS source ↗
Commodities
Tertiary
Copper
Commodity type
M
Deposit
Deposit size
N
Workings
Underground
Geology
Host rock
Serpentinite
Economic & production
Development status
Occurrence
Identification
Deposit ID
10095110
MRDS ID
M010762
Region
NA
Data score
C
Coordinates
38.70988, -122.44162
References
BRADLEY, W.W., 1916 : NAPA COUNTY: 14 TH REPT. STATE MIN.: CALIF. MIN. BUR., P. 269ERIC, J.H., 1948 : COPPER IN CALIFORNIA BULL. 144 : DIV. OF MINES, P. 276