Independence Prospect

Occurrence in Snohomish county in Washington, United States with commodity Copper
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 10036939
MRDS ID M025914
Record type Site
Current site name Independence Prospect
Related records 10277216

Geographic coordinates

Geographic coordinates: -121.43593, 47.94898 (WGS84)
Elevation 640
Location accuracy 1000(meters)
Relative position AT MINERAL CITY, 14 MI FROM INDEX, Estimated In Ne Corner Of Section At Mineral City Site

Site location context

Political divisions (FIPS codes)

Snohomish(county)

Washington(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Monte Cristo(quadrangle 1:24,000 scale)

Skykomish River(quadrangle 1:100,000 scale)

Wenatchee(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Skykomish(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 028N 011E 06 Washington

Commodities

Commodity Importance
Copper Primary

Materials information

Materials Type of material
Bornite Ore
Chalcopyrite Ore

Analytical data

Result AN ESTIMATED 3 TONS OF SELECTED ORE HAD 3% CU

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 Metamorphic Rock > Metasedimentary Rock > Slate
    Rock unit name Index Batholith;Eastern Melange Belt
    Rock description Index Batholith;Eastern Melange Belt

Nearby scientific data

(1) -121.43593, 47.94898

Economic information

Ore body information

  • General form VEIN

Comments on the geologic information

  • GEOLOGIC MAP OF AREA INDICATED DEPOSIT SHOULD LIE IN SWAUK FORMATION (EO) OR TONALITE OF SILVER CREEK (MIO) BUT GRANODIORITE AND SLATE MAY REPRESENT SMALL AREAS OF INDEX BATHOLITH AND EASTERN MELANGE BELT TYPE ROCKS TOO SMALL TO SHOW AT MAP SCALE.

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Silver Creek District

Land status

Ownership category National Forest
Area name In Snoqualmie National Forest

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. 85.

  • Deposit

    TABOR, R.W., FRIZZELL, V.A., JR., BOOTH, D.B., WHETTEN, J.T., WAITT, R.B., JR., AND ZARTMAN, R.E., 1982, PRELIMINARY GEOLOGIC MAP OF THE SKYKOMISH RIVER 1:100,000 QUADRANGLE, WASHINGTON: U.S. GEOLOGICAL SURVEY OPEN-FILE REPORT 82-747, SCALE 1:100,000.

General comments

Subject category Comment text
Deposit FISSURE VEIN

Reporter information

Type Date Name Affiliation Comment
Reporter 01-AUG-85 Andrews, David H. (Lawson, William A.) 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.