Mine detail: Thorne

Previously called 'Bear Canyon'

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Location

Lat / long: 38.76405, -122.70329

Resource(M)

Primary: Mercury
Ore: Cinnabar
Discovery year: 1909

Production

Operation type: Unknown
Production size: Small
Development status: Past Producer
Production years: 1909 - 1929

Geology

Host type:Sandstone
Alteration processes:Kaolinization Of Sandstone

References

MRDSM055658
DEP10040787
Reference{Deposit:: HOLMES, G. W., JR., 1965, MERCURY IN CALIFORNIA: IN USBM IC 8252}{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:: AVERILL, C.V., 1947, MINES AND MINERAL RESOURCES OF LAKE COUNTY, CALIF.: CJMG, V. 43, P. 15-38}{Deposit:: BRADLEY, W.W., 1918, QUICKSILVER RESOURCES OF CALIFORNIA: CJMG BULL. 78, 389 P.}{Deposit:: 5) RANSOME, A.L. AND KELLOGG, J.L., 1939, QUICKSILVER RESOURCES OF CALIFORNIA: CJMG, V. 35, P. 353-558}{Production:: YATES AND HILPERT, 1946}
ReporterPeterson, Jocelyn A.