Mine detail: Wells Creek Gossan

Previously called 'Great Excelsior'

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Location

Lat / long: 48.89481, -121.79652

Resource(M)

Primary: Copper, Silver
Ore: Pyrite
Orebody form: DISSEMINATED
Discovery year: 1964

Production

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

Geology

Host rock:Wells Creek Volcanics
Host type:Andesite
Structure:West Plunging Syncline Superimposed On Regional North-Trending Anticline, Strong Shears
Tectonic:Cascade Volcanic Arc
Alteration processes:Andesite Is Silicified, Sericitized

References

MRDSM700409
DEP10095779
Reference{Deposit:: HUNTTING, M.T., 1956, INVENTORY OF WASHINGTON MINERALS - PART II, METALLIC MINERALS: WASHINGTON DIVISION OF MINES AND GEOLOGY BULLETIN 37, P. 75, 95.}{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. 557.}{Deposit:: TABOR, R.W., HAUGERUD, R.A., BOOTH, D.B., AND BROWN, E.B., 199X, PRELIMINARY GEOLOGIC MAP OF THE MOUNT BAKER 30 X 60 MINUTE QUADRANGLE, WASHINGTON: U.S. GEOLOGICAL SURVEY OPEN-FILE REPORT 9X-XXX, SCALE 1:100,000 (IN PREPARATION IN 1993).}{Deposit:: MOEN, W.S., 1969, MINES AND MINERAL DEPOSITS OF WHATCOM COUNTY, WASHINGTON: WASHINGTON DIVISION OF MINES AND GEOLOGY BULLETIN 57, P. 95.}
ReporterCaress, Mary E. (Evarts, Russ), Peterson, Jocelyn A.