Mine detail: Johnstone Mine

Previously called 'L.G. Johnstone Mine'

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Location

Lat / long: 38.40491, -120.54962

Resource(M)

Primary: Gold
Ore: Gold
Gangue: Quartz
Orebody form: VEIN

Production

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

Geology

Host type:Diorite
Associated type:Diorite

References

MRDSM006735
DEP10029287
Reference{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. 26}{Production:: LOGAN ( 1936 )}
ReporterMateik, R.; Albers, John P.