Mine detail: Alder Mine

Previously called ''

<< Back to the map

Location

Lat / long: 48.32205, -120.15924

Resource(M)

Primary: Gold, Copper, Zinc
Secondary: Silver
Ore: Chalcocite, Chalcopyrite, Copper, Galena, Gold, Malachite, Pyrite, Pyrrhotite, Sphalerite
Orebody form: TABULAR
Discovery year: 1896

Production

Operation type: Unknown
Production size: Yes
Development status: Past Producer
First production started: 1939

Geology

Host rock:Newby Group;Newby Group
Host type:Tuff
Structure:There Is A North-South Regional Structural Trend, South Fault Cuts Off Ore Zone.
Tectonic:Cascade Volcanic Arc
Alteration processes:Silicification, Chloritization, Sericitization

References

MRDSM060156
DEP10103874
Reference{Deposit:: HUNTTING, M.T., 1956, INVENTORY OF WASHINGTON MINERALS - PART II, METALLIC MINERALS: WASHINGTON DIVISION OF MINES AND GEOLOGY BULLETIN 37,V. 1, P. 135.}{Deposit:: BUNNING, B.B., 1990, GEOLOGIC MAP OF THE EAST HALF OF THE TWISP 1:100,000 QUADRANGLE, WASHINGTON: WASHINGTON DIVISION OF GEOLOGY AND EARTH RESOURCES OPEN-FILE REPORT 90-9, SCALE 1:100,000.}{Deposit:: WASHINGTON DIVISION OF MINES AND GEOLOGY INFORMATION CIRCULAR 63, P. 8}{Deposit:: WASHINGTON DIVISION OF MINES AND GEOLOGY INFORMATION CIRCULAR 69, P. 9.}{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. 163.}{Deposit:: GRANT, A.R., 1976, REPORT OF EVALUATION, MINERAL RESOURCE ANALYSIS STUDY ON UNITED STATES FOREST SERVICE LAND, STATE OF WASHINGTON: UNPUB REPORT PREPARED FOR U.S. FOREST SERVICE - REGION 6, CONTRACT NO. 004724N, P. 25-26.}{Deposit:: JOSEPH, N.L., 1991, WASHINGTO* MINERAL INDUSTRY - 1990: WASHINGTON GEOLOGY, V. 19, NO. 1, P. 3-24.}{Production:: GRANT, 1976}
ReporterLawson, William A., Peterson, Jocelyn A.