Mine detail: Banner and Central

Previously called 'Lava Cap'

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Location

Lat / long: 39.22739, -120.9702

Resource(M)

Primary: Gold
Secondary: Copper, Silver, Lead
Tertiary: Tungsten
Ore: Gold
Gangue: Quartz
Orebody form: LENSES, STRINGERS

Production

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

Geology

Host rock:Calaveras Complex
Host type:Argillite
Associated type:Diorite,Latite,Andesite
Structure:Two Main Ore Zones; 1 Under Lava Capping Of Banner 100 Ft. Depth Other Part Of Central Mine.

References

MRDSC011506
DEP10101288
Reference{Deposit:: CHANDLER, J. W., 1941 , MINING METHODS AND COSTS OF THE LAVA CAP GOLD MINING CORPORATION, NEVADA CITY, CALIFORNIA: CALIFORNIA JOURNAL OF MINES AND GEOLOGY, V. 37 , NO. 3 , P. 409 - 412 .}{Deposit:: LOGAN, C. A., 1934 , REVIEW OF GOLD MINING IN EAST - CENTRAL CALIFORNIA: CALIFORNIA JOURNAL OF MINES AND GEOLOGY, V. 31 , NO. 1 , P. 16 - 17 .}{Deposit:: ERIC, J. C., 1948 , TABULATION OF COPPER DEPOSITS IN CALIFORNIA IN COPPER IN CALIFORNIA: CALIFORNIA DIVISION OF MINES BULLETIN 144 , P. 278 .}{Deposit:: GOODWIN, J. G., 1957 , LEAD AND ZINC IN CALIFORNIA: CALIFORNIA JOURNAL OF MINES AND GEOLOGY, V. 57 , NOS 3 AND 4 , P. 580 .}{Production:: ERIC ( 1948 ) GOODWIN ( 1957 )}
ReporterBowman, J. And Albers, J.