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Threemile Placer

Occurrence in Ferry county in Washington, United States with commodity Gold
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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. Host and associated rocks
  9. Nearby scientific data
  10. Controls for ore emplacement
  11. Economic information about the deposit and operations
  12. Links to other databases
  13. Bibliographic references
  14. Reporter information

Geologic information

Identification information

Deposit ID 10055904
MRDS ID SP00116
Record type Site
Current site name Threemile Placer

Geographic coordinates

Geographic coordinates: -118.36028, 47.94291 (WGS84)

Site location context

Political divisions (FIPS codes)

Ferry(county)

Washington(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Fort Spokane(quadrangle 1:24,000 scale)

Coulee Dam(quadrangle 1:100,000 scale)

Ritzville(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Franklin D. Roosevelt Lake(hydrologic unit)

Upper Columbia(hydrologic accounting unit)

Upper Columbia(hydrologic subregion)

Pacific Northwest(hydrologic region)

Federal lands

Lake Roosevelt National Recreation Area(National Recreation Area)

National Recreation Area NPS(Type of land area)

NPS(Federal land areas administered by NPS)

Geographic areas

Country State County
United States Washington Ferry

Public Land Survey System information

Meridian Township Range Section Fraction State
028N 035E 11 Washington

Comments on the location information

  • ON THE COLUMBIA RIVER, 3 MILES ABOVE THE MOUTH OF THE SPOKANE RIVER

Commodities

Commodity Importance
Gold Primary

Materials information

Materials Type of material
Gold Ore
Sand and Gravel Gangue

Host and associated rocks

  • Host or associated Host
    Rock type Unconsolidated Deposit > Sand and Gravel
    Stratigraphic age (youngest) Holocene

Nearby scientific data

(1) -118.36028, 47.94291
ListMap

Economic information

Controls for ore emplacement

  • Heavy-Mineral Concentration By Stream Action. Gold Occurs In Large, Thin Flakes Worth About 0.01 Cents Each And As Flour Gold. The Bench Is 20 Ft. Above The River And Conatins Large Angular Boulders. Pay Gravels Occupied The Spaces Between The Boulders (Huntting, 1956, P. 184).

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Significant No

Comments on development

  • ECON.COM: WORKED BY THE CHINESE PRIOR TO 1910 (HUNTTING, 1956, P. 184).

Reference information

Bibliographic references

  • Deposit

    WDGER OFR 90-18

  • Deposit

    COLLIER, A.J., 1907, GOLD-BEARING RIVER SANDS OF NORTHEASTERN WASHINGTON. IN CONTRIBUTIONS TO ECONOMIC GEOLOGY 1906; PART I- METALS AND NONMETALS EXCEPT FUELS: U.S. GEOLOGICAL SURVEY BULLETIN 315, P. 56-70.

  • Deposit

    HUNTTING, M. T., 1956, INVENTORY OF WASHINGTON MINERALS-PART II, METALLIC MINERALS: WASHINGTON DIVISION OF MINES AND GEOLOGY BULLETIN 37, V. 1, 428 P.; V. 2, 67 P.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JAN-1991 Berger, Mary A. U.S. Geological Survey
Updater 01-AUG-1992 Frank, Dave U.S. Geological Survey

Beyond USGS

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

Maps centered on this site