Little Chief Prospect

Occurrence in Snohomish county in Washington, United States with commodities Copper, Gold, Silver, Nickel, Cobalt
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. Workings at the site
  16. Links to other databases
  17. Bibliographic references
  18. General comments
  19. Reporter information

Geologic information

Identification information

Deposit ID 10036825
MRDS ID M025746
Record type Site
Current site name Little Chief Prospect
Related records 10253412

Geographic coordinates

Geographic coordinates: -121.55288, 48.03537 (WGS84)
Elevation 1021
Location accuracy 250(meters)
Relative position ABOUT 0.5 MI WEST OF COPPER LAKE, Estimated From Map In Carithers And Guard. Location Is Probably Accurate Within Claim Area

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)

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 029N 010E 05 N2 Washington

Comments on the location information

  • NEAR COPPER LAKE ON SLOPE OF LITTLE CHIEF PEAK

Commodities

Commodity Importance
Copper Primary
Gold Primary
Silver Primary
Nickel Critical Tertiary
Cobalt Critical Tertiary

Materials information

Materials Type of material
Chalcopyrite Ore
Copper Ore
Pyrrhotite Ore
Calcite Gangue
Quartz Gangue

Analytical data

Result 3% CU, 0.15 OZ/TON AU, 3.5 OZ/TON AG, TRACE NI

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 Metamorphic Rock > Metavolcanic Rock > Mafic Metamorphic Rock > Greenstone
    Rock unit name Eastern Melange Belt;Eastern Melange Belt;Eastern Melange Belt
    Rock description Eastern Melange Belt;Eastern Melange Belt;Eastern Melange Belt
  • Host or associated Host
    Rock type Metamorphic Rock > Metasedimentary Rock > Quartzite
    Rock unit name Eastern Melange Belt;Eastern Melange Belt
    Rock description Eastern Melange Belt;Eastern Melange Belt

Nearby scientific data

(1) -121.55288, 48.03537

Economic information

Ore body information

  • General form VEINS IN SHEAR ZONE
    Thickness 0.13M

Comments on the geologic information

  • DEPOSIT CONSISTS OF QUARTZ VEINS ALONG FRACTURES IN QUARTZITE AND CONGLOMERATE. OTHER ROCKS IN THE VICINITY INCLUDE GREENSTONE, SCHIST, AND AMPHIBOLITE

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Sultan District

Land status

Ownership category National Forest
Area name In Mount Baker National Forest

Comments on the reserve resource information

  • 900,000 TONS OF ORE RESERVES ESTIMATED IN 1942.

Workings at the site

  • Type of workings Underground
    Length 169.16M

Comments on the workings information

  • 2 ADITS

Reference information

Bibliographic references

General comments

Subject category Comment text
Deposit PRESENCE OF CO AND NI SUGGEST A MAGMATIC SEGREGATION IN ROCKS OF EASTERN MELANGE BELT ( BUT GEOLOGIC MAP DOES NOT INDICATE ULTRAMAFIC ROCKS IN AREA) OVERPRINTED WITH VEIN DEPOSITS

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.