California · Fresno County
Past Producer
Butler Estate Mine
Fresno County, California, United States
Chromium
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USGS source ↗
Commodities
Primary
Chromium
Commodity type
M
Deposit
Deposit size
Y
Workings
Surface/Underground
Orebody form
PIPE, LENSES
Materials
Ore minerals
Chromite, Uvarovite
Gangue
Antigorite, Calcite, Chrysotile, Magnesite, Magnetite, Talc
Geology
Host rock
Dunite,Serpentinite · Panoche Shale;Franciscan Formation
Structure
Serpentine In Fault Contact With Shale. Fault Dips Steeply To The South.
Economic & production
Development status
Past Producer
Discovery year
1951
Identification
Deposit ID
10043384
MRDS ID
M100121
Alternate names
Mistaken, Holman, James-Thickstun Mines
Region
NA
Data score
B
Coordinates
36.31217, -120.54792
References
STINSON, M. C., 1976, MINERAL PROPERTY REPORT, CDMG UNPUBLISHED REPORT.CDMG SR 71, 19 P.