California · Nevada County
Past Producer
Porter Property
Nevada County, California, United States
Chromium
Iron
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USGS source ↗
Commodities
Tertiary
Chromium, Iron
Commodity type
M
Deposit
Workings
Surface, Underground
Materials
Other materials
Chromite, Olivine, Pyroxene, Serpentine
Economic & production
Development status
Past Producer
First production
1918
Discovery year
1917
Identification
Deposit ID
10159692
MRDS ID
M011167
Region
NA
Data score
D
Coordinates
39.25459, -121.08184
References
RYNEARSON, GA 1953, CR IN SIERRAS CMDG BULL 134, PT3, CHS, PCAMERON,RC UNDATED,UNPUBL FIELD REPT,NEVADA CO NO. 202