Eureka Silver Prospect

Prospect in Okanogan county in Washington, United States with commodities Silver, Lead, Gold, Copper
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. Economic information about the deposit and operations
  13. Mining district
  14. Workings at the site
  15. Links to other databases
  16. Bibliographic references
  17. Reporter information

Geologic information

Identification information

Deposit ID 10097271
MRDS ID M056831
Record type Site
Current site name Eureka Silver Prospect
Related records 10155478

Geographic coordinates

Geographic coordinates: -119.6045, 48.5815 (WGS84)
Relative position ABOUT 6 MILES EAST OF CONCONCULLY

Site location context

Political divisions (FIPS codes)

Okanogan(county)

Washington(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Riverside(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)

Geographic areas

Country State County
United States Washington Okanogan

Public Land Survey System information

Meridian Township Range Section Fraction State
Willamette 036N 026E 31 NE Washington

Comments on the location information

  • ON WEST SLOPE OF MINERAL HILL.

Commodities

Commodity Importance
Silver Primary
Lead Secondary
Gold Secondary
Copper Tertiary

Materials information

Materials Type of material
Argentite Ore
Chalcocite Ore
Chalcopyrite Ore
Galena Ore
Pyrite Ore
Quartz Gangue

Analytical data

Result 370 OZ AG/TON AND 80 OZ AG/TON, 13 % PB, 0.1 OZ AU/TON, AND 3.9 % CU

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Metasedimentary Rock > Quartzite
    Stratigraphic age (youngest) Late Triassic
    Stratigraphic age (youngest) Late Triassic
  • Host or associated Host
    Rock type Sedimentary Rock > Carbonate > Limestone
    Rock unit name Kobau
    Rock description Kobau

Nearby scientific data

(1) -119.6045, 48.5815

Economic information

Geologic structures

Type of structure Regional
Structure description Metamorphic Rocks Have Nw Structural Trend

Ore body information

  • General form POCKETS
    Width 1.22M
    Depth to bottom 19.81M

Economic information about the deposit and operations

Development status Prospect
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Conconcully District; Galena Area

Workings at the site

  • Type of workings Underground
    Overall depth 19.81M

Comments on the workings information

  • 65 FT SHAFT

Comments on development

  • SHAFT

Reference information

Bibliographic references

  • Deposit

    WASH. DMG BULL. 37, PART II, P. 218, 302.

  • Deposit

    WASH. DMG IC 49, P. 34

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.