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  3. Mineral Resource Data System (MRDS)

Eureka Claim

Prospect in Okanogan county in Washington, United States with commodities Lead, Silver, Copper
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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. Geologic structures
  11. Ore body information
  12. Controls for ore emplacement
  13. Economic information about the deposit and operations
  14. Workings at the site
  15. Links to other databases
  16. Bibliographic references
  17. General comments
  18. Reporter information

Geologic information

Identification information

Deposit ID 10097258
MRDS ID M056699
Record type Site
Current site name Eureka Claim
Alternate or previous names Eureka Mine

Geographic coordinates

Geographic coordinates: -118.85142, 48.38012 (WGS84)
Relative position ABOUT 4 MILES NNE OF LAKE OWHI.

Site location context

Political divisions (FIPS codes)

Okanogan(county)

Washington(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Bald Knob(quadrangle 1:24,000 scale)

Nespelem(quadrangle 1:100,000 scale)

Okanogan(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Sanpoil(hydrologic unit)

Upper Columbia(hydrologic accounting unit)

Upper Columbia(hydrologic subregion)

Pacific Northwest(hydrologic region)

Federal lands

BIA(Federal land areas administered by BIA)

Geographic areas

Country State County
United States Washington Okanogan

Public Land Survey System information

Meridian Township Range Section Fraction State
Willamette 033N 031E 12 SE OF NE Washington

Comments on the location information

  • NORTH SLOPE OF OLD GLORY MTN.

Commodities

Commodity Importance
Lead Primary
Silver Primary
Copper Tertiary

Comments on the commodity information

  • GALENA IS IN EXCESS OF THE OTHER SULFIDES.

Materials information

Materials Type of material
Chalcopyrite Ore
Galena Ore
Pyrite Ore
Quartz Gangue
Talc Gangue

Analytical data

Result SELECTED NEARLY PURE GALENA: 41.4 % PB/TON AND 150.6 OZ AG/TON

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Granitoid > Granite
    Rock unit name Colville Batholith
    Rock description Colville Batholith
    Stratigraphic age (youngest) Late Cretaceous
    Stratigraphic age (youngest) Late Cretaceous
    Stratigraphic age (youngest) Late Cretaceous
  • Host or associated Host
    Rock type Plutonic Rock > Granitoid > Granite

Nearby scientific data

(1) -118.85142, 48.38012
ListMap

Economic information

Geologic structures

Type of structure Local
Structure description Fault Fissure; Ne Trending And Dipping 45se

Ore body information

  • General form VEINLETS AND BUNCHES
    Strike NE
    Dip 45 SE
    Thickness 0.46M
    Width 3.05M

Controls for ore emplacement

  • Fault Zone

Comments on the geologic information

  • AT 65 FT FROM PORTAL THE TUNNEL INTERSECTS A FAULT FISSURE, WHICH HAS SMOOTH WALLS AND CONTAINS A FOOT OR TWO OF CRUSHED GRANITE, QTZ, AND TALC.

Economic information about the deposit and operations

Development status Prospect
Commodity type Metallic
Deposit size Small
Significant No

Workings at the site

  • Type of workings Underground
    Overall length 60.96M

Comments on the workings information

  • PRINCIPAL UNDERGROUND WORKING IS A TUNNEL DRIVEN SOUTHEASTWARD 200 FT

Comments on development

  • ADIT.

Reference information

Bibliographic references

General comments

Subject category Comment text
Deposit LENSES OF ORE MINERALIZED QTZ IN SHEAR ZONE.
Deposit PART OF MOUNTAIN BOY GROUP.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-FEB-1975 Unknown U.S. Geological Survey
Updater 01-SEP-1992 Lawson, William A. Cevarts, Russell C.) 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