Mine detail: Gibraltar

Previously called 'FalconSanta YnezMc Avoy - Millburn'

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Location

Lat / long: 34.52361, -119.65761

Resource(M)

Primary: Mercury
Ore: Cinnabar
Orebody form: LENS
Discovery year: 1908

Production

Operation type: Unknown
Production size: Small
Development status: Producer
Production years: 1917 - 1918, 1939 - 1944
First production started: 1939

Geology

Host rock:Franciscan Complex
Host type:Serpentinite
Structure:Local Faults And Cross Fractures, Franciscan-Knoxville Contact
Alteration processes:Silica Carbonate Alteration Of Serpentine

References

MRDSM055758
DEP10040879
Reference{Deposit:: HOLMES, G. W., JR., 1965, MERCURY IN CALIFORNIA: IN USBM IC 8252}{Deposit:: BAILEY, E. H., USGS, PERSONAL FILES}{Deposit:: BRADLEY, W.W., 1918, QUICKSILVER RESOURCES OF CALIFORNIA: CJMG BULL. 78, 389 P.}{Deposit:: RANSOME, A.L. AND KELLOGG, J.L., 1939, QUICKSILVER RESOURCES OF CALIFORNIA: CJMG, V. 35, P. 353-486}{Deposit:: 5) TUCKER, W.B., 1925, MINING IN CALIFORNIA, SANTA BARBARA COUNTY: REPT. OF THE STATE MINERALOGIST, V. 21, P. 542-544}{Production:: USBM DATA}
ReporterPeterson, Jocelyn A.