Commodities
PrimaryGold, Copper
Commodity typeM
Deposit
Deposit sizeS
Ore controlThe Ore Consists Of Quartz Stringer Veins In That Are Mineralized To Some Extent (Huntting, 1956, P. 140). The Deposit Is In The Actinolite-Chlorite Zone Of The Mazama Molybdenum Porphyry System. Veins Peripheral To The Porphyry System Generally Trend N10-40e And N70-85w (Riedell, 1979).
Materials
Ore mineralsChalcopyrite
GangueCalcite, Pyrite, Quartz
Geology
Host rockAndesite
StructureThe Midniight Peak Formation And The Fawn Peak Stock Were Part Of A Cretaceous Island Arc (Riedell, 1979).
Economic & production
Development statusPast Producer
Identification
Deposit ID10055987
MRDS IDSP00220
RegionNA
Data scoreC
Coordinates48.59955, -120.4023
References
HUNTTING, M. T., 1956, INVENTORY OF WASHINGTON MINERALS-PART II, METALLIC MINERALS: WASHINGTON DIVISION OF MINES AND GEOLOGY BULLETIN 37, V. 1, 428 P.; V. 2, 67 P.RIEDELL, K.B., 1979, GEOLOGY AND PORPHYRY COPPER MINERALIZATION OF THE FAWN PEAK INTRUSIVE COMPLEX, METHOW VALLEY, WASHINGTON: UNIVERSITY OF WASHINGTON MASTER OF SCIENCE THESIS, 52 P., 4 PL.STOFFEL, K.L., MCGRODER, M.F., COMPILERS, 1990, GEOLOGIC MAP OF THE ROBINSON MOUNTAIN 1:100,000 QUADRANGLE, WASHINGTON: WASHINGTON DIVISION OF GEOLOGY AND EARTH RESOURCES OPEN-FILE REPORT 90-5, 39 P., 1 PL.DERKEY, R.E.; JOSEPH, N.L.; LASMANIS, R., 1990, METAL MINES OF WASHINGTON-PRELIMINARY REPORT: STATE OF WASHINGTON, DEPARTMENT OF NATURAL RESOURCES, DIVISION OF GEOLOGY AND EARTH RESOURCES OPEN-FILE REPORT 90-18, 577 P.