Ivanhoe Mine

Past Producer in Okanogan county in Washington, United States with commodities Silver, Gold, Antimony
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. 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. Ownership information
  16. Workings at the site
  17. Links to other databases
  18. Bibliographic references
  19. General comments
  20. Reporter information

Geologic information

Identification information

Deposit ID 10041518
MRDS ID M056591
Record type Site
Current site name Ivanhoe Mine
Alternate or previous names Ivanhoe Group
Related records 10277221

Geographic coordinates

Geographic coordinates: -119.57117, 48.87317 (WGS84)
Relative position ABOUT 4.5 MILES NE OF LOOMIS

Site location context

Political divisions (FIPS codes)

Okanogan(county)

Washington(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Enterprise(quadrangle 1:24,000 scale)

Oroville(quadrangle 1:100,000 scale)

Okanogan(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Okanogan(hydrologic unit)

Upper Columbia(hydrologic accounting unit)

Upper Columbia(hydrologic subregion)

Pacific Northwest(hydrologic region)

Federal lands

Bureau of Land Management(Bureau of Land Management OR)

Bureau of Land Management OR BLM(Type of land area)

BLM(Federal land areas administered by BLM)

Geographic areas

Country State County
United States Washington Okanogan

Public Land Survey System information

Meridian Township Range Section Fraction State
Willamette 039N 026E 16 NW OF SE OF SW Washington

Comments on the location information

  • IN A SADDLE NE END OF PALMER MTN.

Commodities

Commodity Importance
Silver Primary
Gold Primary
Antimony Critical Tertiary

Comments on the commodity information

  • CONSIDERABLE PRODUCTION ABOUT 1900.

Materials information

Materials Type of material
Cerargyrite Ore
Pyrite Ore
Stephanite Ore
Quartz Gangue

Alteration

  • (Local) Fe Stain On Quartz

Analytical data

Result $272 TO $636/TON 166 OZ AG/TON HAND-PICKED ORE

Host and associated rocks

  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Dacite
    Stratigraphic age (youngest) Late Permian
    Stratigraphic age (youngest) Pliocene
    Stratigraphic age (youngest) Late Permian
  • Host or associated Host
    Rock type Metamorphic Rock > Metasedimentary Rock > Slate
    Rock unit name Bullfrog Mtn
    Rock description Bullfrog Mtn

Nearby scientific data

(1) -119.57117, 48.87317

Economic information

Ore body information

  • Width 2.13M

Controls for ore emplacement

  • Quartz Vein

Comments on the geologic information

  • NW TRENDING TERTIARY DACITIC DIKES WITHIN 500 FT TO THE WEST, AND CONTACT WITH SPECTACLE FORMATION (UNDERLIES THE BULLFROG MTN FM) LESS THAN 600 FT TO THE EAST OF THE MINE.

Economic information about the deposit and operations

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

Mining district

District name Palmer Mtn District

Ownership information

  • Type Operator
    Owner Old Channel Placers, Inc.
    Home office Fred J. Richardson, Pres. , Rt. 3, Box 211, Centralia, Wa. 98531
    First year 1969
    Last year 1970

Workings at the site

  • Type of workings Underground
    Length 82.3M

Comments on the workings information

  • 65 FT INCLINE WITH 70 FT DRIFT AT 120 FT LEVEL, AND A 80 FT INCLINE.

Comments on development

  • INCLINES, DRIFT; EXPLORATION 1969-70.

Reference information

Bibliographic references

  • Deposit

    WASH. DMG BULL. 37, PART II, P. 304.

  • Deposit

    WASH. DMG BULL 64, P. 90-91, PLATES 1-2

  • Deposit

    WASH. GEOL. SUR. BULL 5, P. 102

  • Deposit

    WASH. DMG IC 46, P. 20

General comments

Subject category Comment text
Deposit HIGH GRADE ORE NEAR SURFACE

Reporter information

Type Date Name Affiliation Comment
Reporter 01-FEB-1975 Mccoy, Gail U.S. Geological Survey
Updater 01-DEC-1982 Lawson, William A. (Evarts, Russell C.) U.S. Geological Survey

Beyond USGS

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

External references