Commodities
PrimaryGold, Silver, Copper
Commodity typeM
Deposit
Deposit sizeS
Ore controlThe Deposit Consists Of Shear Zones As Much As 6 Feet Wide But Averaging Less Than 3 Feet. The Shear Zones Are In Granite Along The Margins Of "Andesite" Dikes. The Shear Zones Also Contain Small, Scattered Pods Of Shipping-Grade Ore (Huntting, 1956, P. 149). The Andesite Dikes Noted In Huntting (1956) Are Probably Dacite Dikes (Gulick And Korosec, 1990, Geol. Map).
Materials
Ore mineralsChalcopyrite, Pyrite
GangueQuartz
Geology
Host rockGneiss · Methow Gneiss
Associated rockDacite
StructureThe Methow Gneiss Is A Post-Tectonic Body That Was Originally Intruded At Moderate To Deep Levels And Then Metamorphosed To Amphibolite-Facies Grade Rock (Gulick And Korosec, 1990, P. 38).
Economic & production
Development statusPast Producer
Last production1941
Identification
Deposit ID10056039
MRDS IDSP00294
Alternate namesPateros
RegionNA
Data scoreB
Coordinates48.08039, -119.98867
References
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.GULICK, C.W.; KOROSEC, M.A., COMPILERS, 1990, GEOLOGIC MAP OF THE OMAK 1:100,000 QUADRANGLE, WASHINGTON: WASHINGTON DIVISION OF GEOLOGY AND EARTH RESOURCES OPEN-FILE REPORT 90-12, 52 P., 1 PL.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.