Mine detail: Snoqualmie

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Location: King County, Washington, United States, North America
Lat / long: 47.64453, -121.48953
dep_id: 10055933
mrds_id: SP00145
Commodity type: metallic
Major mineral: Copper
Operation type: Unknown
Deposit type: Vein
Production size: Unknown
Development status: Occurrence
ore: Chalcopyrite
gangue: Pyrite
ore_ctrl: Gash Veins Are Present In Granodiorite. Some High-Grade Ore Came From The No. 6 Vein (Huntting, 1956, P. 59).
Reporter: Frank, Dave, Berger, Mary A.
hrock_type: Tonalite
tectonic: The Snoqualmie Batholith Is Part Of Early Magmatism Of The Cascade Magmatic Arc.
References:
  • Deposit:: 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.
  • Deposit:: 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.
  • Deposit:: 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.
  • Deposit:: WDGER OF-90-18
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