California · Nevada County
Occurrence
Thompson Ranch Occurrence
Nevada 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
Discovery year
1918
Identification
Deposit ID
10031687
MRDS ID
M010882
Region
NA
Data score
C
Coordinates
39.09461, -121.10853
References
D.O.M. BULL. 134, PT. III, CHAP. 5, PP. 247-8, P. 13CALIF. JOUR. MINES & GEOLOGY, V. 37, NO. 3, JULY 1941, P. 466