Mine detail: Boyer Mine

Previously called 'Wheeler Mine,Shanks and Copps'

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Location

Lat / long: 38.67428, -123.00998

Resource(M)

Tertiary: Manganese, Silica
Other material: Chert, Jasper, Psilomelane, Pyrolusite

Production

Operation type: Underground
Development status: Prospect
First production started: 1916

Geology

References

MRDSM020241
MAS60970004
DEP10287644
Reference{Deposit:: CDMG,BULL.76,P.82,(1918)}{Deposit:: CDMG.BULL.152,P.283,(1950)}{Deposit:: USGS FILE,1918}
ReporterDeino, Al