Mine detail: Castro Mine

Previously called 'Castro Chrome Mine'

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Location

Lat / long: 35.37357, -120.70847

Resource(M)

Primary: Chromium
Other material: Chromite, Magnesite, Magnetite, Serpentine, Talc
Discovery year: 1876

Production

Operation type: Surface
Development status: Past Producer
First production started: 1918

Geology

References

MRDSW025015
MAS60790028
DEP10165203
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. 167-169.}{Deposit:: CALIF. FOUR. MINES AND GEOL V. 37, 1941, P. 141, 161.}{Deposit:: U.S. GEOLOGICAL SURVEY BULLETIN 945-B, 1944, P. 34-37.}{Deposit:: U.S. BUREAU OF MINES RI 4783, 1951, P. 4-5.}{Deposit:: CALIF. DIV. MINES BULLETIN 134, 1953, PART II, CHAPT. 2,}{Deposit:: P. 60-61.}
ReporterWetzel, Nicholas