Commodities
PrimaryCopper, Silver, Gold, Zinc, Lead, Tungsten
Commodity typeM
Deposit
Deposit sizeN
Ore controlMineralization Is Most Extensive In The Brecciated Zone Between The Swakane Biotite Gneiss And Diorite. Sulfide Minerals Are Chiefly Pyrrhotite And Chalcopyrite. Scheelite Occurs As Disseminated Grains, Veinlets, And Small Masses In The Sulfides (Culver And Broughton, 1945, P. 14-15).
Materials
Ore mineralsChalcopyrite, Galena, Scheelite, Sphalerite
GangueBiotite, Chlorite, Pyrite, Pyrrhotite, Quartz, Sericite
Geology
Host rockDiorite,Gneiss
Tectonic settingOre At The Red Mountain Mine Was Emplaced During Or Following Major Deformation And Metamorphism Of The Host Rocks. The Extent Of Metamorphism Of The Orebody, If Any, Is Not Reported (Cater And Crowder, 1967, Geol. Map).
Economic & production
Development statusOccurrence
Identification
Deposit ID10055848
MRDS IDSP00047
Alternate namesRoyal
RegionNA
Data scoreB
Coordinates48.07538, -120.85008
References
WDGER OFR 90-18.CATER, F.W., 1982, INTRUSIVE ROCKS OF THE HOLDEN AND LUCERNE QUADRANGLES, WASHINGTON--THE RELATION OF DEPTH ZONES, COMPOSITION, TEXTURES, AND EMPLACEMENT OF PLUTONS: U.S. GEOLOGICAL SURVEY PROFESSIONAL PAPER 1220, 108 P.CATER, F.W.; CROWDER, D.F., 1967, GEOLOGIC MAP OF THE HOLDEN QUADRANGLE, SNOHOMISH AND CHELAN COUNTIES, WASHINGTON: U.S. GEOLOGICAL SURVEY GEOLOGIC QUADRANGLE MAP GQ-646, 1 SHEET, SCALE 1:62500.CULVER, H.E.; BROUGHTON, W.A., 1945, TUNGSTEN RESOURCES OF WASHINGTON: WASHINGTON DIVISION OF GEOLOGY BULLETIN 34, 89 P., 23 PL.HUNTTING, M.T., 1943, INVENTORY OF MINERAL PROPERTIES IN CHELAN COUNTY, WASHINGTON: WASHINGTON DIVISION OF GEOLOGY REPORT OF INVESTIGATIONS 9, 62 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, 67P.MATTINSON, J.M., 1972, AGES OF ZIRCONS FROM THE NORTHERN CASCADE MOUNTAINS, WASHINGTON: GEOLOGICAL SOCIETY OF AMERICA BULLETIN, V. 83, NO. 12, P. 3769-3783.