California · Butte County
Past Producer
Swayne Mine
Butte County, California, United States
Iron
Chromium
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USGS source ↗
Commodities
Tertiary
Iron, Chromium
Commodity type
M
Deposit
Workings
Surface
Materials
Other materials
Chromite
Economic & production
Development status
Past Producer
First production
1917
Discovery year
1916
Identification
Deposit ID
10138528
MRDS ID
M005472
Region
NA
Data score
D
Coordinates
39.77678, -121.41465
References
CDMG BULL 134,PT.3,CH.5,BIG BAR MTN. AREA,1953,PP.277-278.CAL. STATE MINING BUR BULL 76,PP.101-228,1918.