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Stephens

Past Producer in Skagit county in Washington, United States with commodities Copper, Gold, Silver
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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. Land status
  16. Ownership information
  17. Links to other databases
  18. Bibliographic references
  19. General comments
  20. Reporter information

Geologic information

Identification information

Deposit ID 10088856
MRDS ID M700358
Record type Site
Current site name Stephens
Alternate or previous names Fidalgo
Related records 10056090, 10228606

Geographic coordinates

Geographic coordinates: -122.64793, 48.49508 (WGS84)
Elevation 122
Relative position WITHIN ANACORTES CITY LIMITS ABOUT 1 MI EAST OF AIRPORT

Site location context

Political divisions (FIPS codes)

Skagit(county)

Washington(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Deception Pass(quadrangle 1:24,000 scale)

Port Townsend(quadrangle 1:100,000 scale)

Victoria(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Strait of Georgia(hydrologic unit)

Puget Sound(hydrologic accounting unit)

Puget Sound(hydrologic subregion)

Pacific Northwest(hydrologic region)

Geographic areas

Country State County
United States Washington Skagit

Public Land Survey System information

Meridian Township Range Section Fraction State
Willamette 035N 001E 26 N2 Washington

Comments on the location information

  • BY CRANBERRY LAKE.

Commodities

Commodity Importance
Copper Primary
Gold Primary
Silver Primary

Materials information

Materials Type of material
Chalcopyrite Ore
Pyrite Ore
Chlorite Gangue
Quartz Gangue
Serpentine Gangue

Analytical data

Result ORE SHIPMENT RAN 2% CU WITH A LITTLE AU AND AG

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
    Stratigraphic age (youngest) Late Jurassic

Nearby scientific data

(1) -122.64793, 48.49508
ListMap

Economic information

Geologic structures

Type of structure Local
Structure description Shear Zone

Ore body information

  • General form VEIN
    Thickness 3.05M
    Length 182.88M

Controls for ore emplacement

  • Shear Zone

Comments on the geologic information

  • FIDALGO COMPLEX IS AN ACCRETED OPHIOLITE TERRANE. GRANODIORITE MAY BE PART OF COMPLEX OR PART OF A LATER MAGMATIC EVENT. RELATION TO ORE IS NOT KNOWN

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No

Land status

Ownership category Private

Ownership information

  • Type Operator
    Owner Brown Brothers Timber Co. And James Stephens, Seattle, Wa.
    First year 1943

Comments on the production information

  • ONE SHIPMENT TO TACOMA SMELTER OF UNKNOWN SIZE ON UNKNOWN DATE.

Comments on the workings information

  • 5 SHALLOW SHAFTS, OPEN CUT.

Reference information

Bibliographic 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. 76.

  • 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. 334.

General comments

Subject category Comment text
Deposit SHEAR ZONE IN GRANODIORITE IS SERPENTINIZED AND WEAKLY MINERALIZED

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUL-1982 Lawson, William A. (Evarts, Russell C.) U.S. Geological Survey
Updater 01-NOV-1985 Peterson, Jocelyn A. U.S. Geological Survey

Beyond USGS

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

Maps centered on this site