Cougar Prospect

Occurrence in Shoshone county in Idaho, United States with commodities 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. Controls for ore emplacement
  13. Economic information about the deposit and operations
  14. Mining district
  15. Land status
  16. Ownership information
  17. Workings at the site
  18. Links to other databases
  19. Bibliographic references
  20. General comments
  21. Reporter information

Geologic information

Identification information

Deposit ID 10096469
MRDS ID W026610
Record type Site
Current site name Cougar Prospect
Alternate or previous names Theriault Prospect
Related records 10266721, 10290290

Geographic coordinates

Geographic coordinates: -115.99546, 47.24931 (WGS84)
Elevation 823
Relative position 9 MI W OF AVERY

Site location context

Political divisions (FIPS codes)

Shoshone(county)

Idaho(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Hoyt Mountain(quadrangle 1:24,000 scale)

Wallace(quadrangle 1:100,000 scale)

Wallace(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

St. Joe(hydrologic unit)

Spokane(hydrologic accounting unit)

Kootenai-Pend Oreille-Spokane(hydrologic subregion)

Pacific Northwest(hydrologic region)

Geographic areas

Country State County
United States Idaho Shoshone

Public Land Survey System information

Meridian Township Range Section Fraction State
Boise 045N 004E 18 Idaho

Comments on the location information

  • LOCATED AT THE JUNCTION OF HARVEY CR WITH THE ST. JOE R

Commodities

Commodity Importance
Gold Primary
Copper Primary

Materials information

Materials Type of material
Chalcopyrite Ore
Calcite Gangue
Pyrite Gangue
Pyrrhotite Gangue
Quartz Gangue
Siderite Gangue

Analytical data

Result ORE ASSAYS BETWEEN $7 - $15 /TON AU. PYRITE SAID TO CARRY GOLD VALUES TO $3 - $10 /TON.

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Metasedimentary Rock > Slate
    Rock unit name Lower Wallace Formation;Upper St. Regis Formation
    Rock description Lower Wallace Formationt;Upper St. Regis Formation
    Stratigraphic age (youngest) Neoproterozoic

Nearby scientific data

(1) -115.99546, 47.24931

Economic information

Geologic structures

Type of structure Local
Structure description Veins Are In Fractures Associated With Post-Intrusion Movement Along St. Joe Fault Zone. Nw - Se Folding And Faulting

Ore body information

  • General form IRREGULAR BUNCHES
    Strike N 70 DEG W
    Dip 75 DEG S
    Length 24.38M
    Width 1.22M

Controls for ore emplacement

  • Fracture Zone

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No
Discoverer G. A. Smith Or E. I. Theriault

Mining district

District name Avery District

Land status

Ownership category Private

Ownership information

  • Type Owner-Operator
    Owner E. I. Theriault

Workings at the site

  • Type of workings Surface/Underground
    Length 85.34M

Comments on development

  • 5 PATENTED CLAIMS

Reference information

Bibliographic references

  • Deposit

    WAGNER, W. R., 1949 , THE GEOLOGY OF PART OF THE SOUTHERN SLOPE OF THE ST. JOE MOUNTAINS, IDAHO BUREAU OF MINES AND GEOLOGY PAMPHLET 82 , 48 P.

  • Deposit

    PARDEE, J. T., 1911 , GEOLOGY AND MINERALIZATION OF THE UPPER ST. JOE RIVER BASIN, IDAHO: USGS BULL. 470 , P. 39 - 61

  • Deposit

    SPOKANE CHRONICLE, JUNE 29 , 1970

  • Deposit

    WILSON, R. S., 1963 , GEOCHEMICAL EXPLORATION RECONNAISSANCE IN THE AVERY AREA, IDAHO: MOSCOW, IDAHO, UNIV. OF IDAHO, MS THESIS, 81 P.

  • Deposit

    1911 OTHER J. T. PARDEE BULL. 470

  • Deposit

    1949 GEOLMAP IDAHO BUREAU OF MINES AND GEOLOGY PAMPHLET 82

General comments

Subject category Comment text
Deposit DIABASE DIKE STRIKES N 65 DEG W, DIPS 75 DEG. S

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUL-1974 Miller, Pat J. U.S. Geological Survey

Beyond USGS

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