Mine detail: Chicago

Previously called 'UralSt. LouisPittsburg'

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Location

Lat / long: 38.74432, -122.70301

Resource(M)

Primary: Mercury
Ore: Cinnabar, Mercury
Discovery year: 1865

Production

Operation type: Unknown
Production size: Small
Development status: Past Producer
Production years: 1865 - 1911, 1927, 1931 - 1933

Geology

Host type:Serpentinite
Structure:Local Shear Zone
Alteration processes:Silica Carbonate Alteration Of Serpentine

References

MRDSM055679
DEP10040804
Reference{Deposit:: HOLMES, G. W., JR., 1965, MERCURY IN CALIFORNIA: IN USBM IC 8252}{Deposit:: BAILEY, E. H., USGS, PERSONAL FILES}{Deposit:: YATES, R. G. AND HILPERT, L. S., 1946, QUICKSILVER DEPOSITS OF THE EASTERN MAYACMAS DISTRICT, LAKE AND NAPA COUNTIES, CALIFORNIA: CALIF. JOUR. OF MINES AND GEOLOGY, V. 42, P. 231 - 286}{Deposit:: RANSOME, A. L. AND KELLOGG, J. L., 1939, QUICKSILVER RESOURCES OF CALIFORNIA: CALIF. JOUR. OF MINES AND GEOLOGY, V. 35, P. 353 - 486}{Deposit:: 5) AVERILL, C.V., 1947, MINES AND MINERAL RESOURCES OF LAKE COUNTY, CALIF.: CJMG, V. 43, P. 15-38}{Deposit:: 6) BRADLEY, W.W., 1918, QUICKSILVER RESOURCES OF CALIFORNIA: CJMG BULL. 78, 389 P.}{Production:: USBM DATA}
ReporterPeterson, Jocelyn A.