Devils Canyon

Occurrence in King county in Washington, United States with commodities Molybdenum, Tungsten, Silver, Copper, Gold
Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Public Land Survey System information
  6. Commodities
  7. Materials information
  8. Mineral occurrence model information
  9. Host and associated rocks
  10. Nearby scientific data
  11. Geologic structures
  12. Ore body information
  13. Controls for ore emplacement
  14. Economic information about the deposit and operations
  15. Mining district
  16. Land status
  17. Ownership information
  18. Workings at the site
  19. Links to other databases
  20. Bibliographic references
  21. General comments
  22. Reporter information

Geologic information

Identification information

Deposit ID 10008477
MRDS ID D000661
Record type Site
Current site name Devils Canyon
Related records 10130778

Geographic coordinates

Geographic coordinates: -121.50676, 47.61564 (WGS84)
Elevation 1052
Location accuracy 1000(meters)
Relative position ABOUT 1.35 MI EAST OF GOAT MOUNTAIN LAKE, Estimated At Prospect Shown On Devils Canyon, Which Is Location Indicated In Gualtieri And Others

Site location context

Political divisions (FIPS codes)

King(county)

Washington(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Lake Philippa(quadrangle 1:24,000 scale)

Skykomish River(quadrangle 1:100,000 scale)

Wenatchee(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Snoqualmie(hydrologic unit)

Puget Sound(hydrologic accounting unit)

Puget Sound(hydrologic subregion)

Pacific Northwest(hydrologic region)

Federal lands

Mt. Baker-Snoqualmie National Forest(National Forest)

National Forest FS(Type of land area)

FS(Federal land areas administered by FS)

Alpine Lakes Wilderness(Wilderness)

Wilderness FS(Type of land area)

FS(Federal land areas administered by FS)

Geographic areas

Country State County
United States Washington King

Public Land Survey System information

Meridian Township Range Section Fraction State
Willamette 025N 010E 34,26,27 SE4 (27) Washington

Comments on the location information

  • 1000 FT ABOVE EAST BANK OF COUGAR CREEK

Commodities

Commodity Importance
Molybdenum Primary
Tungsten Critical Primary
Silver Primary
Copper Primary
Gold Tertiary

Materials information

Materials Type of material
Chalcopyrite Ore
Molybdenite Ore
Powellite Ore
Pyrite Ore
Pyrrhotite Ore
Scheelite Ore
Quartz Gangue
Siderite Gangue

Analytical data

Result ONE SAMPLE ASSAYED 0.11% MO, ANOTHER SAMPLE ASSAYED 0.4% MO, 0.29% WO3. 7 CHIP SAMPLEX YIELDED MAXIMUMS OF 0.05 OZ/TON AU, 0.3 OZ/TON AG, 0.006% CU (GUALTIERI AND OTHERS)

Mineral occurrence model information

Model code 85
USGS model code 22c
Deposit model name Polymetallic veins
Mark3 model number 46

Host and associated rocks

  • Host or associated Host
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite
    Rock unit name Snoqualmie Batholith
    Rock description Snoqualmie Batholith
    Stratigraphic age (youngest) Miocene
    Stratigraphic age (youngest) Miocene

Nearby scientific data

(1) Tertiary granitic rocks

Economic information

Geologic structures

Type of structure Local
Structure description Shear Zones

Ore body information

  • General form VEIN
    Strike N70W
    Dip 60-90NE
    Thickness 0.2M
    Length 609.6M
    Width 121.92M

Controls for ore emplacement

  • Structures

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Buena Vista District

Land status

Ownership category National Wilderness
Area name In Alpine Lakes Wilderness In Snoqualmie National Forest

Ownership information

  • Type Owner
    Owner Consolidated Molybdenum, Inc.
    Home office Seattle, Wa.
    First year 1953

Workings at the site

  • Type of workings Underground
    Length 60.96M

Comments on the workings information

  • ADIT

Reference information

Bibliographic references

General comments

Subject category Comment text
Deposit QUARTZ VEINS IN EN ECHELON MINERALIZED SHEAR ZONES. A FEW OF THE QUARTZ STRINGERS ARE 8 IN THICK

Reporter information

Type Date Name Affiliation Comment
Reporter 01-AUG-74 King, Robert U. U.S. Geological Survey
Updater 01-MAY-92 Peterson, Jocelyn A. U.S. Geological Survey

Beyond USGS

Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.