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Wells Cobalt Prospect

Prospect in Lemhi county in Idaho, United States with commodities Cobalt, Copper, Gold, Nickel, Silver
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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. Nearby scientific data
  9. Ore body information
  10. Economic information about the deposit and operations
  11. Land status
  12. Ownership information
  13. Links to other databases
  14. Bibliographic references
  15. General comments
  16. Reporter information

Geologic information

Identification information

Deposit ID 10184295
MAS/MILS ID 0160590426
Record type Site
Current site name Wells Cobalt Prospect
Alternate or previous names Big Creek Prospect

Geographic coordinates

Point of reference Main Entrance
Geographic coordinates: -113.6162, 44.45879 (WGS84)
Elevation 2438
Location accuracy 10(meters)

Site location context

Political divisions (FIPS codes)

Lemhi(county)

Idaho(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Big Creek Peak(quadrangle 1:24,000 scale)

Borah Peak(quadrangle 1:100,000 scale)

Dubois(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Pahsimeroi(hydrologic unit)

Salmon(hydrologic accounting unit)

Lower Snake(hydrologic subregion)

Pacific Northwest(hydrologic region)

Federal lands

ST(Federal land areas administered by ST)

Geographic areas

Country State County
United States Idaho Lemhi

Public Land Survey System information

Meridian Township Range Section Fraction State
Boise 013 N 024 E 16 NE Idaho

Commodities

Commodity Importance
Cobalt Critical Tertiary
Copper Primary
Gold Tertiary
Nickel Critical Tertiary
Silver Tertiary

Materials information

Materials Type of material
Chalcopyrite Unknown
Chloanthite Unknown
Erythrite Unknown
Malachite Unknown
Smaltite Unknown

Nearby scientific data

Main Entrance (1) -113.6162, 44.45879
ListMap

Economic information

Ore body information

  • Strike N34W
    Dip 67S
    Length 6M
    Width 0.5M
    Field Value
    MAS Column # 1
    Type of Orebody #1 SHEAR ZONE
    Shape of Orebody #1 UNKNOWN
    Type of Orebody #2 DISSEMINATED
    Primary mode of Origin UNKNOWN
    Primary Ore Control FOLDING
    Secondary Ore Control FRACTURING
    Degree of Wallrock Alter. SLIGHT
    Type of Wallrock Alter. #1 SILICIFICATION
    Type of Wallrock Alter. #2 UNKNOWN
    Strike And Dip N34W:67S
    Minimum Depth to Top 0
    Min. Thick. Unconsol. Mat. 0
    Date of Last Modification 910926

Comments on the geologic information

  • THE COUNTRY ROCK INCLUDES PRECAMBRIAN QUARTZITES, SCHISTS, AND SLATES WHICH HAVE BEEN EXTENSIVELY FOLDED, SHEARED AND JOINTED. THE COBALT PROSPECT IS IN A TALCOSE SHALE/SLATE. THE SHEAR ZONE LIES ALONG THE BEDDING OF THE SHALE/SLATE
  • THE PRIMARY COBALT MINERAL HAS BEEN IDENTIFIED AS VERY FINELY DISSEMINATED SMALTITE-CHLOANTHITE THE GANGUE MINERALS ARE PRIMARILY LIMONITE AND QUARTZ. THE COBALT BLOOM HAS BEEN IDENTIFIED AS ERYTHRITE. MALACHITE STAINS WERE NOTED ON SOME OF THE TALUS ABOVE AND BELOW THE ADIT. THE ADIT EXPOSED A NARROW SHEAR ZONE ALSO CONTAINING MALACHITE STAIN.

Economic information about the deposit and operations

Operation type Underground
Development status Prospect
Commodity type Metallic
Significant No

Land status

Ownership category State

Ownership information

  • Type Owner
    Owner C. Wells
    Home office Idaho
    Year 1952

Comments on the ownership information

  • THE PROPERTY CONSISTS OF 8 UNPATENTED CLAIMS.

Reference information

Bibliographic references

  • Deposit

    U.S. BUREAU OF MINES OPEN-FILE REPORT MLA 8-88, 1988, APPENDIX B,

  • Deposit

    NO. 15, P. 45.

General comments

Subject category Comment text
Deposit ONE SAMPLE ASSAYED 0.47 PERCENT COPPER, 0.19 PERCENT NICKEL, THE LIMITATIONS OF THE DEPOSIT COULD NOT BE DETERMINED BECAUSE OF THE RESTRICTED DEVELOPMENT WORK.

Reporter information

Type Date Name Affiliation Comment
Reporter 03-NOV-1992 Cather U.S. Bureau of Mines

Beyond USGS

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

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