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  3. Mineral Resource Data System (MRDS)

Jumbo Claim

Occurrence in Okanogan county in Washington, United States with commodities Chromium, Copper, Nickel
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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. Ore body information
  11. Economic information about the deposit and operations
  12. Mining district
  13. Ownership information
  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 10041570
MRDS ID M056663
Record type Site
Current site name Jumbo Claim

Geographic coordinates

Geographic coordinates: -118.94336, 48.31567 (WGS84)

Site location context

Political divisions (FIPS codes)

Okanogan(county)

Washington(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Stepstone Creek(quadrangle 1:24,000 scale)

Nespelem(quadrangle 1:100,000 scale)

Okanogan(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Chief Joseph(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 32 Washington

Comments on the location information

  • SEE STEPSTONE (N;)

Commodities

Commodity Importance
Chromium Critical Primary
Copper Secondary
Nickel Critical Secondary

Materials information

Materials Type of material
Chalcopyrite Ore
Chromite Ore
Genthite Ore
Pyrite Ore
Quartz Gangue

Analytical data

Result 3 IN CHROMITE BAND, 1' SHEARED QUARTZ BAND HAVE CONSIDERABLE PERCENTAGE CHROMITE

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Serpentinite
    Stratigraphic age (youngest) Paleocene
    Stratigraphic age (youngest) Paleocene
  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Argillite
  • Host or associated Host
    Rock type Sedimentary Rock > Carbonate > Limestone
    Rock unit name Covada
    Rock description Covada

Nearby scientific data

(1) Eocene-Oligocene volcanic rocks
ListMap

Economic information

Ore body information

  • General form FORMS VEINLETS
    Strike NORTH
    Dip 35E
    Length 1609.3M

Comments on the geologic information

  • 1500 FT NORTH OF CLAIM THE LIMESTONE-SERPENTINE BELT IS CUT OFF BY MESOZOIC COLVILLE GRANITE. ; GEOL.DESC: VEINLETS, SOME WALLROCKS MINERALIZED

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Nespelem District

Ownership information

  • Type Owner
    Owner Mrs. Mamie Bowman
    First year 1943

Workings at the site

  • Type of workings Surface/Underground
    Length 7.62M

Comments on development

  • CROSSCUT TUNNEL AND OPEN PITS.

Reference information

Bibliographic references

  • Deposit

    WASH. DMG BULL. 37, PART II, P. 38.

  • Deposit

    USGS BULL 677, P. 85, PLATE 1

General comments

Subject category Comment text
Deposit PART OF THE STEPSTONE PROPERTY.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-FEB-1975 Greene, Robert 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.

Maps centered on this site