Helena and Sadie Prospect

Occurrence in Snohomish county in Washington, United States with commodities Copper, Gold, Silver
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. Links to other databases
  15. Bibliographic references
  16. General comments
  17. Reporter information

Geologic information

Identification information

Deposit ID 10036934
MRDS ID M025908
Record type Site
Current site name Helena and Sadie Prospect
Related records 10204579

Geographic coordinates

Geographic coordinates: -121.46677, 47.95425 (WGS84)
Elevation 1097
Location accuracy 1000(meters)
Relative position ABOUT 1.4 MI WEST-NORTHWEST OF MINERAL CITY SITE, Estimated Northeast Of Sultan King Property Near Center Of Section

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

ST(Federal land areas administered by ST)

Geographic areas

Country State County
United States Washington Snohomish

Public Land Survey System information

Meridian Township Range Section Fraction State
Willamette 029N 011E 36 SW4 Washington

Comments on the location information

  • WEST SIDE OF SHEEP GAP MOUNTAIN

Commodities

Commodity Importance
Copper Primary
Gold Primary
Silver Primary

Materials information

Materials Type of material
Chalcopyrite Ore

Analytical data

Result 16-20% CU, $8-10 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 Host
    Rock type Plutonic Rock > Granitoid > Tonalite
    Rock unit name Index Batholith;Index Batholith
    Rock description Index Batholith;Index Batholith

Nearby scientific data

(1) -121.46677, 47.95425

Economic information

Ore body information

  • General form VEIN
    Thickness 1.02M
    Length 609.6M

Comments on the geologic information

  • HOST ROCK IS INDICATED AS SYENITE IN REFERENCES TO PROSPECT; HOWEVER, DESCRIPTIONS OF GEOLOGIC MAP UNITS DO NOT INDICATE A SYENITIC PHASE FOR INDEX BATHOLITH

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Sultan District

Comments on the workings information

  • SEVERAL SHORT ADITS

Reference information

Bibliographic references

General comments

Subject category Comment text
Deposit 3 PARALLEL SHEAR ZONES, 2 AT 30 IN. WIDE WITH 18 IN. OF ORE AND 1 AT 6 FT WIDE WITH 40 IN. OF ORE
Deposit POSSIBLY ONE OF THE UNPATENTED CLAIMS OF THE SULTAN KING PROSPECTS

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.