Copper Independent Mine

Past Producer in Snohomish county in Washington, United States with commodities Gold, Silver, Arsenic
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. Workings at the site
  18. Links to other databases
  19. Bibliographic references
  20. General comments
  21. Reporter information

Geologic information

Identification information

Deposit ID 10036730
MRDS ID M025636
Record type Site
Current site name Copper Independent Mine
Alternate or previous names Independent, Silverton Mines, Ore Recoveries
Related records 10056115

Geographic coordinates

Geographic coordinates: -121.569, 48.07564 (WGS84)
Elevation 488
Relative position 0.2 MI SOUTH OF SILVERTON

Site location context

Political divisions (FIPS codes)

Snohomish(county)

Washington(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Silverton(quadrangle 1:24,000 scale)

Sauk River(quadrangle 1:100,000 scale)

Concrete(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Stillaguamish(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)

Geographic areas

Country State County
United States Washington Snohomish

Public Land Survey System information

Meridian Township Range Section Fraction State
Willamette 030N 010E 19 NE4 Washington

Comments on the location information

  • CLAIMS ALSO EXTEND INTO SEC. 20. AT MOUTH OF SILVER GULCH

Commodities

Commodity Importance
Gold Primary
Silver Secondary
Arsenic Critical Tertiary

Materials information

Materials Type of material
Pyrite Ore
Quartz Gangue

Analytical data

Result 0.6-0.7 OZ/TON AU

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 Associated
    Rock type Plutonic Rock > Granitoid > Granite
    Stratigraphic age (youngest) Paleocene
    Stratigraphic age (youngest) Paleocene
    Stratigraphic age (youngest) Pliocene

Nearby scientific data

(1) -121.569, 48.07564

Economic information

Geologic structures

Type of structure Local
Structure description Granite Is Sheared

Ore body information

  • General form VEIN IN SHEAR ZONE
    Thickness 0.91M
    Length 60.96M
    Width 60.96M

Controls for ore emplacement

  • Shear Intersections

Comments on the geologic information

  • METAMORPHIC ROCKS INCLUDE GREENSTONE, GRAYWACKE, ARGILLITE, CHERT, MARBLE. PROTOLITH IS JUR-CRET

Economic information about the deposit and operations

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

Mining district

District name Silverton District

Land status

Ownership category National Forest
Area name In Mount Baker National Forest

Comments on the production information

  • 1 CARLOAD SHIPPED PRIOR TO 1901

Workings at the site

  • Type of workings Surface/Underground
    Length 213.36M

Comments on the workings information

  • 3 ADITS, DRIFTS, RAISES

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. 157.

  • Deposit

    BROUGHTON, W.A., 1942, INVENTORY OR MINERAL PROPERTIES IN SNOHOMISH COUNTY, WASHINGTON: WASHINGTON DIVISION OF GEOLOGY REPORT OF INVESTIGATIONS 6, P. 39-40.

  • 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. 362.

  • Deposit

    TABOR, R.W., BOOTH, D.B., VANCE, J.A., FORD, A.B., AND ORT, M.H., 1988, PRELIMINARY GEOLOGIC MAP OF THE SUAK RIVER 30 BY 60 MINUTE QUADRANGLE, WASHINGTON: U.S. GEOLOGICAL SURVEY OPEN-FILE REPORT 88-692, SCALE 1:100,000.

General comments

Subject category Comment text
Deposit ORE FORMS LENS SHAPED SHOOTS 100-200 FT IN DIAMETER AND 2-3 FT THICK
Deposit SEE ALSO MRDS RECORD M025910

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUL-1985 Andrews, David H. (Lawson, William A.) U.S. Geological Survey
Updater 01-FEB-1991 Peterson, Jocelyn A. U.S. Geological Survey

Beyond USGS

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