Commodities
PrimaryChromium
Commodity typeM
Materials
Other materialsChromite, Olivine, Pyroxene, Serpentine, Uvarovite
Economic & production
Development statusPast Producer
First production1890
Discovery year1890
Identification
Deposit ID10286703
MRDS IDM100576
Alternate namesLa Primero, Hardface, El Primero
RegionNA
Data scoreB
Coordinates35.35967, -120.68767
References
CALIFORNIA REGIONAL WATER QUALITY CONTROL BOARD, CENTRALCOAST REGION. SURFACE WATER DEGRADATION BY INACTIVEMETAL MINES IN NORTHWEST SAN LUIS OBISPO COUNTY, CA,DECEMBER 1993 (P. 6-8).CALIF. STATE MINING BUR. BULLETIN 76, 1918, P. 171.CALIF. DIV. MINES BULLETIN 134, 1953, PART II, CHAPT. 2,P. 61-63.