Mine detail: Seattle-Cascade

Previously called 'Tripple SSilver DollarCopper PlateSilver Dollar and Copper Plate'

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Location

Lat / long: 47.66814, -121.41953

Resource(M)

Primary: Silver, Lead, Zinc, Copper
Secondary: Gold
Tertiary: Arsenic
Ore: Chalcopyrite, Galena, Pyrite
Gangue: Quartz
Orebody form: VEIN

Production

Operation type: Unknown
Production size: Small
Development status: Occurrence
Production years: 1940
First production started: 1901

Geology

Host rock:Snoqualmie Batholith, Northern Phase;Snoqualmie Batholith, Northern Phase
Host type:Tonalite
Tectonic:Cascade Volcanic Arc

References

MRDSMP00221
DEP10048622
Reference{Deposit:: DERKEY, R.E., JOSEPH, N.L., AND LASMANIS, RAYMOND, 1990, METAL MINES OF WASHINGTON - PRELIMINARY REPORT: WASHINGTON DIVISION OF GEOLOGY AND EARTH RESOURCES OPEN-FILE REPORT 90-18, P. 121.}{Deposit:: HUNTTING, M.T., 1956, INVENTORY OF WASHINGTON MINERALS - PART II, METALLIC MINERALS: WASHINGTON DIVISION OF MINES AND GEOLOGY BULLETIN 37, V. 1, P. 297.}{Production:: HUNTTING, 1956}
ReporterPeterson, Jocelyn A.