Mine detail: Mount Vernon

Previously called 'Devils MountainPacific'

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Location: Skagit County, Washington, United States, North America
Lat / long: 48.3687, -122.29291
dep_id: 10047917
mrds_id: M700267
Commodity type: metallic
Major mineral: Nickel, Gold
Trace mineral: Chromium
Operation type: Unknown
Deposit type: Unknown
Production size: No production occurred
Development status: Occurrence
ore: Bravoite, Chromite, Marcasite, Pyrite
gangue: Ankerite, Calcite, Chalcedony, Chlorite, Dolomite, Opal, Quartz, Serpentine
orebody_fm: TABULAR
work_type: Surface/Underground
alteration: Oxidation Of Sulfides Producing Much Limonite
conc_proc: Hydrothermal Solution
ore_ctrl: Fault Zone Between Serpentine And Eocene Sandstone.
Reporter: Coury, Anny B., Lawson, William A. (Evarts, Russel C.), Peterson, Jocelyn A.
hrock_unit: Haystack Terrane;Haystack Terrane
hrock_type: Greenstone
Structure: Devils Mountain Fault Zone Near Crest Of Devils Mountain Anticline, Shear Zone; Ore Body Lies On South Limb Of Large Anticlinal Fold
tectonic: Active Margin (Leading Edge Of North American Plate)
disc_yr: 1915
References:
  • Deposit:: HUNTTING, M.T., 1956, INVENTORY OF WASHINGTON MINERALS - PART II, METALLIC MINERALS: WASHINGTON DIVISION OF MINES AND GEOLOGY BULLETIN 37, V. 1, P. 278.
  • Deposit:: HUNTTING, M.T., 1955, GOLD IN WASHINGTON: WASHINGTON DIVISION OF MINES AND GEOLOGY BULLETIN 42, P. 87.
  • Deposit:: HOBBS, S.W., AND PECORA, W.T., 1941, NICKEL-GOLD DEPOSIT NEAR MOUNT VERNON, SKAGIT COUNTY, WASHINGTON: U.S. GEOLOGICAL SURVEY BULLETIN 931-D, P. 57-78.
  • Deposit:: DERKEY, R.E., JOSEPH, N.L., AND LASMANIS, RAYMOND, 1990, METAL MINES OF WASHINGTON - PRELIMINARY REPORT: WASHINGTON DIVISION OF GEOLOGY AND EARTH RESOURCES OPEN-FILE REPORT 90-18, P. 332.
  • Reserve-Resource:: HOBBS AND PECORA, 1941
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