California · El Dorado County
Past Producer
Dobbas Mine
El Dorado County, California, United States
Chromium
Iron
⌖ Show on map
USGS source ↗
Commodities
Primary
Chromium
Tertiary
Iron
Commodity type
M
Deposit
Deposit size
S
Orebody form
IRREGULAR PODS AND LENSES
Materials
Gangue
Magnesite, Magnetite
Geology
Host rock
Dunite,Serpentinite
Associated rock
Diorite,Harzburgite,Pyroxenite
Structure
Ore In Area C Cut By Vertical, Ew Striking Faults.
Alteration
Much Of Ultramafic Rock Altered To Talc Chlorite Or Talc Serpentine.
Economic & production
Development status
Past Producer
Identification
Deposit ID
10043721
MRDS ID
M100633
Region
NA
Data score
B
Coordinates
38.79712, -120.07878
References
CDMG BULL 134, P. 146-148STINSON, M.C., 1976, MINERAL PROPERTY REPORT, CDMG UNPUBLISHED REPORT.CDMG BULL 134, P. 110