California · Napa County
Occurrence
Fourth of July Claim
Napa County, California, United States
Chromium
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USGS source ↗
Commodities
Primary
Chromium
Commodity type
M
Deposit
Deposit size
N
Materials
Ore minerals
Chromite
Economic & production
Development status
Occurrence
Identification
Deposit ID
10031645
MRDS ID
M010763
Region
NA
Data score
D
Coordinates
38.71627, -122.45162
References
CALIF. BULL. 134, PT. 2, CHAPTER 1, DEC. 1946, P. 23