Silver Horseshoe

Occurrence in Snohomish county in Washington, United States with commodities Silver, Lead, Zinc, Copper, Tungsten, Arsenic, Molybdenum, 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. Ore body information
  12. Economic information about the deposit and operations
  13. Mining district
  14. Land status
  15. Links to other databases
  16. Bibliographic references
  17. General comments
  18. Reporter information

Geologic information

Identification information

Deposit ID 10095353
MRDS ID M025716
Record type Site
Current site name Silver Horseshoe

Geographic coordinates

Geographic coordinates: -121.5301, 48.04064 (WGS84)
Elevation 1417
Relative position ABOUT 0.1 TO 0.5 MI NORTHEAST OF COPPER LAKE

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 33 SW4 Washington

Comments on the location information

  • ON SLOPE OF BIG FOUR MOUNTAIN

Commodities

Commodity Importance
Silver Primary
Lead Primary
Zinc Critical Primary
Copper Primary
Tungsten Critical Tertiary
Arsenic Critical Tertiary
Molybdenum Tertiary
Gold Tertiary

Materials information

Materials Type of material
Chalcopyrite Ore
Galena Ore
Molybdenite Ore
Pyrite Ore
Pyrrhotite Ore
Scheelite Ore
Sphalerite Ore
Calcite Gangue
Quartz Gangue

Analytical data

Result ASSAYS: 3.6-11.3% PB, 0.04-0.42 OZ/TON AU, 4.8-160.8 OZ/TON AG. ESTIMATES 1-2% CU, 4-5% ZN, 3-4% PB

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 Sedimentary Rock > Clastic Sedimentary Rock > Argillite
    Rock unit name Eastern Melange Belt;Eastern Melange Belt;Squire Creek Stock And Realted Intrusive Rocks
    Rock description Eastern Melange Belt;Eastern Melange Belt;Squire Creek Stock And Realted Intrusive Rocks

Nearby scientific data

(1) -121.5301, 48.04064

Economic information

Ore body information

  • General form VEIN
    Thickness 0.61M

Comments on the geologic information

  • DEPOSIT LIES MOSTLY WITHIN EASTERN MELANGE BELT, BUT SOUTHERN PART OF CLAIMS IS WITHIN THE TERTIARY INTRUSIVE ROCKS

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1940

Mining district

District name Sultan District

Land status

Ownership category National Forest
Area name In Mount Baker National Forest

Comments on the workings information

  • OPEN CUTS

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. 322.

  • Deposit

    CARITHERS, WARD, AND GUARD, A.K., 1945, GEOLOGY AND ORE DEPOSITS OF THE SULTAN BASIN, SNOHOMISH COUNTY, WASHINGTON: WASHINGTON DIVISION OF MINES AND GEOLOGY BULLETIN 36, P. 39, 47-49.

  • Deposit

    TABOR, R.W., BOOTH, D.B., VANCE, J.A., FORD, A.B., AND ORT, M.H., 1988, PRELIMINARY GEOLOGIC MAP OF THE SAUK 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 MINERALIZED SHEAR ZONE 2 FT WIDE IN QUARTZ DIORITE AND MINERALIZED TENSION FRACTURES EXTENDING OUT 5-6 FT

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUL-85 Andrews, David H. (Lawson, William A.) U.S. Geological Survey
Updater 01-FEB-91 Peterson, Jocelyn A. U.S. Geological Survey

Beyond USGS

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