Mine detail: Blue Ledge

Previously called 'Blue Ledge Extension'

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Location

Lat / long: 41.97953, -123.09503

Resource(M)

Primary: Zinc, Copper, Lead
Secondary: Silver, Gold
Other material: Chalcopyrite, Chlorite, Covellite, Galena, Gold, Pyrite, Pyrrhotite, Sericite, Silver, Sphalerite
Discovery year: 1896

Production

Operation type: Underground
Development status: Past Producer
First production started: 1917

Geology

References

MRDSW017560
MAS60931385
DEP10287237
Reference{Deposit:: HUNDHAUSEN,R.J.,BLUE LEDGE CU-ZN MINE REPT. OF INVESTIGATION}{Deposit:: OCT. 1947}{Deposit:: HUTCHINSON,R.,M., A PRELIMINARY ON THE GEOL OF THE BLUE LEDG}{Deposit:: MINE, USGS OCT,23 1945}{Deposit:: CALIF. JOURNAL OF MINES AND GEOL.V.43,NO.4,1947,P.424}{Deposit:: CALIF JOUR MINESAND GEOL. V.43 NO 4,1947 P 424.}
ReporterWetzel, Nicholas