Dawson Prospect

Occurrence in King county in Washington, United States with commodities Lead, Silver, Gold, Antimony, Zinc
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. Alteration
  9. Mineral occurrence model information
  10. Host and associated rocks
  11. Nearby scientific data
  12. Ore body information
  13. Economic information about the deposit and operations
  14. Mining district
  15. Land status
  16. Links to other databases
  17. Bibliographic references
  18. General comments
  19. Reporter information

Geologic information

Identification information

Deposit ID 10009024
MRDS ID D001646
Record type Site
Current site name Dawson Prospect

Geographic coordinates

Geographic coordinates: -121.4737, 47.63481 (WGS84)
Elevation 1631
Location accuracy 1000(meters)
Relative position 5.5 MI FROM BERLIN; ABOUT 0.25 MI FORTHEAST OF LENNOX LAKE, Estimated From Map In Gualtieri And Others, Estimated From Map In Gualtieri And Others, Estimated From Map In Gualtieri And Others

Site location context

Political divisions (FIPS codes)

King(county)

Washington(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Grotto(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)

Alpine Lakes Wilderness(Wilderness)

Wilderness FS(Type of land area)

FS(Federal land areas administered by FS)

Geographic areas

Country State County
United States Washington King

Public Land Survey System information

Meridian Township Range Section Fraction State
Willamette 025N 010E 24 NE4 OF SW4 Washington

Comments on the location information

  • ON TRIBUTARY TO MILLER RIVER. HUNTTING GIVES ALTERNATIVE LOCATION OF NE/4 SEC. 18, T. 25 N., R. 11 E.; THIS IS PROBABLY INCORRECT

Commodities

Commodity Importance
Lead Primary
Silver Primary
Gold Primary
Antimony Critical Tertiary
Zinc Critical Tertiary

Materials information

Materials Type of material
Chalcopyrite Ore
Galena Ore
Pyrite Ore
Sphalerite Ore
Stibiconite Ore
Stibnite Ore

Alteration

  • (Local) Silicification, Carbonatization, Pyritization

Analytical data

Result ASSAYS GAVE 0.4-4.06 OZ/TON AU, 4-30 OZ/TON AG, 3.5-4.1% PB, 0-3.12% 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 Plutonic Rock > Mafic Intrusive Rock > Diorite
    Rock unit name Snoqualmie Batholith
    Rock description Snoqualmie Batholith
    Stratigraphic age (youngest) Miocene
    Stratigraphic age (youngest) Miocene

Nearby scientific data

(1) -121.4737, 47.63481

Economic information

Ore body information

  • General form VEIN
    Strike N55W
    Dip 70SW

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Buena Vista District

Land status

Ownership category National Wilderness
Area name In Alpine Lakes Wilderness In Mount Baker National Forest

Comments on the workings information

  • 600 FT OF DRIFTS

Reference information

Bibliographic references

  • Deposit

    PURDY, C.P., JR., 1951, ANTIMONY OCCURRENCES OF WASHINGTON: WASHINGTON DIVISION OF MINES AND GEOLOGY BULLETIN 39, P. 83-84.

  • Deposit

    HUNTTING, M.T., 1956, INVENTORY OF WASHINGTON MINERALS - PART II, METALLIC MINERALS: WASHINGTON DIVISION OF MINES AND GEOLOGY BULLETIN 37, V. 1, P. 215.

  • Deposit

    GUALTIERI, J.L., THURBER, H.K., MILLER, M.S., MCMAHAN, A.B., AND FEDERSPIEL, F.F., 1975, MINERAL RESOURCES OF ADDITIONS TO THE ALPINE LAKES STUDY AREA, CHELAN, KING, AND KITTITAS COUNTIES, WASHINGTON: U.S. GEOLOGICAL SURVEY OPEN-FILE REPORT 75-3, P. 74.

General comments

Subject category Comment text
Deposit STRONG VEIN OF HEAVY SULFIDES IN 12-FT LEACHED ZONE. ATTITUDE IS OF HYDROTHERMALLY ALTERED ZONE
Deposit LAT. & LONG. ARE GENERAL ; INFO.SRC : 1 PUB LIT

Reporter information

Type Date Name Affiliation Comment
Reporter 01-AUG-75 Miller, M. H. 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.