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Coney Basin

Past Producer in King county in Washington, United States with commodities Lead, Silver, Copper, Gold, Zinc, Arsenic
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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. Controls for ore emplacement
  13. Economic information about the deposit and operations
  14. Mining district
  15. Land status
  16. Ownership information
  17. Production statistics
  18. Workings at the site
  19. Links to other databases
  20. Bibliographic references
  21. General comments
  22. Reporter information

Geologic information

Identification information

Deposit ID 10048443
MRDS ID MP00030
Record type Site
Current site name Coney Basin
Related records 10055924

Geographic coordinates

Geographic coordinates: -121.46287, 47.65203 (WGS84)
Elevation 1204
Relative position 8 MI ABOVE MOUTH OF MILLER RIVER; ABOUT 1 MI SOUTH OF CONEY LAKE

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}025N 010E}011E 13}19 N2 (13); S2 (19) Washington

Comments on the location information

  • ON WEST SIDE OF CONEY BASIN

Commodities

Commodity Importance
Lead Primary
Silver Primary
Copper Secondary
Gold Secondary
Zinc Critical Tertiary
Arsenic Critical Tertiary

Materials information

Materials Type of material
Bournonite Ore
Chalcopyrite Ore
Galena Ore
Pyrite Ore
Sphalerite Ore
Tetrahedrite Ore
Copper Gangue
Quartz Gangue

Analytical data

Result MOST ASSAYS LOW GRADE
Result ONE SAMPLE ASSAYED 0.22 OZ.TON AU, 4 OZ/TON AG

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 Snoqualmie Batholith, Northern Phase;Snoqualmie Batholith, Northern Phase
    Rock description Snoqualmie Batholith, Northern Phase;Snoqualmie Batholith, Northern Phase

Nearby scientific data

(1) -121.46287, 47.65203
ListMap

Economic information

Ore body information

  • General form VEIN, STOCKWORK
    Strike W
    Dip 70-85S

Controls for ore emplacement

  • Joint Planes

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Miller River District

Land status

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

Ownership information

  • Type Operator
    Owner John Whitham, Seattle
    First year 1952
  • Type Owner
    Owner Coney Basin Gold Mines, Inc.,
    First year 1952

Production statistics

  • Year 1941
    Period 1895-1941
    Material ORE
    Accuracy Accurate
    Description Cp_Grade: ^0.57 Oz/Ton Au, 13 Oz/Ton Ag, 0.43% Cu, 2.6% Pb
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Ore Lead Lead 3wt-pct
    Ore Copper Copper 0wt-pct
    Ore Silver Silver 367g/mt
    Major Ore Gold Gold 16g/mt

Comments on the production information

  • PRODUCED 40 TONS IN 1895. ALSO SMALL PRODUCTION IN 1934, 1937-1939, 1941.

Workings at the site

  • Type of workings Underground
    Length 914.4M

Comments on the workings information

  • 2 ADITS

Reference information

Bibliographic references

  • Deposit

    DERKEY, R.E., JOSEPH, N.L., AND LASMANIS, RAYMOND, 1990, METAL MINES OF WASHINGTON - PRELIMINARY REPORT: WASHINGTON DIVISION OF GEOLOGY AND EARTH RESOURCES OPEN-FILE REPORT 90-18, P. 113.

  • 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. 88-89.

  • Deposit

    HUNTTING, M.T., 1956, INVENTORY OF WASHINGTON MINERALS - PART II, METALLIC MINERALS: WASHINGTON DIVISION OF MINES AND GEOLOGY BULLETIN 37, V. 1, P. 127.

  • Production

    GUALTIERI

General comments

Subject category Comment text
Deposit VEINS PRESENT IN SHEAR ZONES

Reporter information

Type Date Name Affiliation Comment
Reporter 01-APR-1991 Peterson, Jocelyn A. U.S. Geological Survey

Beyond USGS

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

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