Mine detail: Brown Bear Mine

Previously called ''

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Location

Lat / long: 40.71957, -122.73138

Resource(M)

Primary: Gold
Secondary: Iron, Zinc, Arsenic, Manganese, Lead
Ore: Galena, Gold, Sphalerite
Gangue: Calcite, Quartz
Orebody form: PINCH-SWELL

Production

Operation type: Unknown
Production size: Large
Development status: Past Producer

Geology

Host rock:Bragdon Slate
Host type:Diorite,Slate,Granite
Associated type:Diorite

References

MRDSX025890
DEP10086642
Reference{Deposit:: AVERILL, C.V., 1941, MINERAL RESOURCES OF TRINITY COUNTY: CALIFORNIA JOURNAL OF MINES AND GEOLOGY, V. 37, NO. 1, P. 27-28}{Deposit:: AVERILL, C.V., 1933, GOLD DEPOSITS OF THE REDDING AND WEAVERVILLE QUADRANGLES: CALIFORNIA JOURNAL OF MINES AND GEOLOGY, V. 29, P. 13-15}{Deposit:: FERGUSON, H.G., 1913, GOLD LODES OF THE WEAVERVILLE QUADRANGLE, CALIF.: U.S. GEOLOGICAL SURVEY BULL. 540-A, P. 70-71}{Production:: AVERILL (1941)}
ReporterNelson, Scott C. (Albers, John, P.)