Mine detail: Colombo-Bullion Group

Previously called 'Columbo'

<< Back to the map

Location

Lat / long: 39.57877, -120.67631

Resource(M)

Primary: Gold
Tertiary: Lead
Ore: Galena, Gold, Pyrite
Gangue: Quartz

Production

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

Geology

Host type:Diorite,Hornfels,Slate,Serpentinite
Associated type:Diorite

References

MRDSX025580
DEP10086595
Reference{Deposit:: MCCULLOCH, W. C., OESTERLING, W. A., SPURCK, W. H., & TISCHLER, M. S., 1964 , MINERALS FOR INDUSTRY, N CALIF.: SO. PACIFIC COMPANY, VOL. 2 , P. 53 .}{Deposit:: AVERILL, C. V., 1942 , MINES AND MINERAL RESOURCES OF SIERRA CO.: CDM CALIF. JOUR. MINES AND GEOL., VOL. 38 , NO. 1 , P. 22 , 23 , 53 .}{Deposit:: LOGAN, C. A., 1929 , SIERRA CO.: CDMM 25TH REPORT STATE MINERALOGIST, APRIL, P. 162 , 174 .}{Production:: MCCULLOCH ETAL, 1964}
ReporterHayden, F. (Albers, J.)