Mine detail: Belmont - Osborne Mine

Previously called 'KnoxOsborne Consolidated Osborne'

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Location

Lat / long: 38.07713, -120.58073

Resource(M)

Primary: Gold
Ore: Gold
Gangue: Calcite, Quartz

Production

Operation type: Unknown
Production size: Small
Development status: Past Producer
Production years: 1850 - 1880 , 1929 - 1935

Geology

Host type:Slate,Schist

References

MRDSM006458
DEP10102716
Reference{Deposit:: CLARK, W. B., LYDON, P. A, 1962 , MINES AND MINERAL RESOURCES OF CALAVERAS COUNTY, CALIF. COUNTY REPORT 2 ; CALIF. DIV. OF MINES AND GEOLOGY, P 34 - 35 , 65 - 66 , 172 AND PL B}{Deposit:: LOGAN, C. A., 1934 , THE MOTHER LODE GOLD BELT OF CALIF: CALIF. DIV. OF MINES BULL. 108 P. 146}{Deposit:: LOGAN, C. A., FRANKE, H., 1936 , MINES AND MINERAL RESOURCES OF CALAVERAS COUNTY; CALIF. JOUR. MINES AND GEOLOGY, VOL. 32 , NO. 3 ; DIV. OF MINES, P 241 - 2 , 315}{Production:: CLARK ( 1962 )}
ReporterMateik, R.; Albers, John P.