Eureka Claim

Prospect in Okanogan county in Washington, United States with commodities Lead, Silver, Gold
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. Ore body information
  11. Controls for ore emplacement
  12. Economic information about the deposit and operations
  13. Mining district
  14. Ownership information
  15. Links to other databases
  16. Bibliographic references
  17. Reporter information

Geologic information

Identification information

Deposit ID 10097256
MRDS ID M056682
Record type Site
Current site name Eureka Claim
Related records 10204483

Geographic coordinates

Geographic coordinates: -119.60395, 48.96845 (WGS84)
Elevation 1049
Relative position 1.6 MILES EAST OF NIGHTHAWK

Site location context

Political divisions (FIPS codes)

Okanogan(county)

Washington(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Bullfrog Mountain(quadrangle 1:24,000 scale)

Oroville(quadrangle 1:100,000 scale)

Okanogan(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Similkameen(hydrologic unit)

Upper Columbia(hydrologic accounting unit)

Upper Columbia(hydrologic subregion)

Pacific Northwest(hydrologic region)

Geographic areas

Country State County
United States Washington Okanogan

Public Land Survey System information

Meridian Township Range Section Fraction State
Willamette 040N 026E 17 SW OF SW OF NW Washington

Comments on the location information

  • LOCATION WITHIN 200 YD RADIUS.

Commodities

Commodity Importance
Lead Primary
Silver Primary
Gold Tertiary

Materials information

Materials Type of material
Galena Ore
Quartz Gangue

Analytical data

Result AVG OF 8 ASSAYS: 7.15 % PB, 17.71 OZ AG, AND TRACE OF AU (ALL PER TON ?).

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite
    Rock unit name Similkameen Composite Pluton
    Rock description Similkameen Composite Pluton
    Stratigraphic age (youngest) Late Cretaceous
    Stratigraphic age (youngest) Late Cretaceous
    Stratigraphic age (youngest) Late Cretaceous
  • Host or associated Host
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite

Nearby scientific data

(1) -119.60395, 48.96845

Economic information

Ore body information

  • General form VEINS 3-7' WIDE
    Length 457.2M
    Width 2.13M
    Depth to bottom 36.58M

Controls for ore emplacement

  • Quartz Vein

Economic information about the deposit and operations

Development status Prospect
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Nighthawk District

Ownership information

  • Type Owner
    Owner John Mcdonald And H.F. Smith
    First year 1892

Comments on the workings information

  • SHAFTS: 120 FT, 110 FT, 50 FT, 10 FT, 30 FT, AND TWO 20 FT.

Comments on development

  • SHAFTS.

Reference information

Bibliographic references

  • Deposit

    WASH. DMG BULL. 37, PART II, P. 218.

  • Deposit

    WASH. DMG BULL 64, PLATES 1-2

Reporter information

Type Date Name Affiliation Comment
Reporter 01-FEB-1975 Unknown U.S. Geological Survey
Updater 01-SEP-1982 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.