Commodities
PrimaryCopper, Gold, Silver
Commodity typeM
Deposit
Deposit sizeN
Ore controlConsists Of Three Parallel En Echelon Veins In Granodiorite (Huntting, 1956, P. 57). Landes And Others (1902, P. 86) Report The Ore Vein Has A Maximum Width Of 18 1/2 Ft. The Presence Of Tourmaline And The Proximity To An Area Of Extensively Explored Porphyry Copper Mineralization (Clipper Zone About 5 Miles To The Southwest) Suggest This May Be Similar Mineralization.
Materials
Ore mineralsChalcopyrite, Galena, Sphalerite, Tetrahedrite
GanguePyrite, Quartz, Siderite, Tourmaline
Geology
Host rockTonalite
Tectonic settingThe Snoqualmie Batholith Is Part Of Early Magmatism Of The Cascade Magmatic Arc.
Economic & production
Development statusOccurrence
Identification
Deposit ID10055926
MRDS IDSP00138
RegionNA
Data scoreB
Coordinates47.55899, -121.2398
References
WDGER OFR 90-18GRANT, A.R., 1969, CHEMICAL AND PHYSICAL CONTROLS FOR BASE METAL DEPOSITION IN THE CASCADE RANGE OF WASHINGTON: WASHINGTON DIVISION OF MINES AND GEOLOGY BULLETIN 58, 107 P.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.LANDES, HENRY; THYNG, W.S.; LYON, D.A.; ROBERTS, MILNOR, 1902, ANNUAL REPORT OF 1901, IN SIX PARTS; PART II-THE METALLIFEROUS RESOURCES OF WASHINGTON, EXCEPT IRON; WASHINGTON GEOLOGICAL SURVEY, 123 P.LIVINGSTON, V.E., JR., 1971, GEOLOGY AND MINERAL RESOURCES OF KING COUNTY, WASHINGTON: WASHINGTON DIVISION OF MINES AND GEOLOGY BULLETIN 63, 200 P., 8 PL.TABOR, R.W.; FRIZZELL, V.A., JR.; BOOTH, D.B.; WHETTEN, J.T.; WAITT, R.B.; ZARTMAN, R.E., 1982, PRELIMINARY GEOLOGIC MAP OF THE SKYKOMISH RIVER 1:100,000 QUADRANGLE, WASHINGTON: U.S. GEOLOGICAL SURVEY OPEN-FILE REPORT 82-747, 31 P., 1 PL.