Mine detail: Ptomigan Claims

Previously called 'Quartz No. 1 Lode'

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Location

Lat / long: 48.77593, -120.70954

Resource(M)

Primary: Zinc, Copper
Tertiary: Lead, Silver, Gold, Arsenic
Ore: Chalcocite, Galena, Pyrite, Pyrrhotite
Gangue: Quartz
Orebody form: VEIN
Discovery year: 1948

Production

Operation type: Unknown
Production size: None
Development status: Occurrence

Geology

Host rock:Winthrop Sandstone Or Virginia Ridge Formation
Host type:Arkose
Tectonic:Cascade Volcanic Arc

References

MRDSMP00148
DEP10095805
Reference{Deposit:: STAATZ, M.H., WEIS, P.L., TABOR, R.W., ROBERTSON, J.F., VAN NOY, R.M., PATTEE, E.C., AND HOLT, D.C., 1971, MINERAL RESOURCES OF THE PASAYTEN WILDERNESS AREA, WASHINGTON: U.S. GEOLOGICAL SURVEY BULLETIN 1325, P. 155.}{Deposit:: STOFFEL, K.L., AND MCGRODER, M.F., 1990, GEOLOGIC MAP OF THE ROBINSON MTN. 1:100,000 QUADRANGLE, WASHINGTON: WASHINGTON DIVISION OF GEOLOGY AND EARTH RESOURCES OPEN-FILE REPORT 90-5, SCALE 1:100,000.}
ReporterPeterson, Jocelyn A.