Mine detail: La Primera

Previously called 'La PrimeroHardfaceEl Primero'

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Location

Lat / long: 35.35967, -120.68767

Resource(M)

Primary: Chromium
Other material: Chromite, Olivine, Pyroxene, Serpentine, Uvarovite
Discovery year: 1890

Production

Operation type: Surface-Underground
Development status: Past Producer
First production started: 1890

Geology

References

MRDSM100576
MAS60790030
DEP10286703
Reference{Deposit:: CALIFORNIA REGIONAL WATER QUALITY CONTROL BOARD, CENTRAL}{Deposit:: COAST REGION. SURFACE WATER DEGRADATION BY INACTIVE}{Deposit:: METAL MINES IN NORTHWEST SAN LUIS OBISPO COUNTY, CA,}{Deposit:: DECEMBER 1993 (P. 6-8).}{Deposit:: CALIF. STATE MINING BUR. BULLETIN 76, 1918, P. 171.}{Deposit:: CALIF. DIV. MINES BULLETIN 134, 1953, PART II, CHAPT. 2,}{Deposit:: P. 61-63.}
ReporterWetzel, Nicholas