Cougar Prospect

The Cougar Prospect is a gold and copper mine located in Shoshone county, Idaho at an elevation of 2,700 feet.

About the MRDS Data:

All mine locations were obtained from the USGS Mineral Resources Data System. The locations and other information in this database have not been verified for accuracy. It should be assumed that all mines are on private property.

Mine Info

Satelite View

MRDS mine locations are often very general, and in some cases are incorrect. Some mine remains have been covered or removed by modern industrial activity or by development of things like housing. The satellite view offers a quick glimpse as to whether the MRDS location corresponds to visible mine remains.

Site Name

Primary: Cougar Prospect
Secondary: Theriault Prospect

Commodity

Primary: Gold
Primary: Copper

Location

State: Idaho
County: Shoshone
District: Avery District

Land Status

Land ownership: Private
Note: the land ownership field only identifies whether the area the mine is in is generally on public lands like Forest Service or BLM land, or if it is in an area that is generally private property. It does not definitively identify property status, nor does it indicate claim status or whether an area is open to prospecting. Always respect private property.

Holdings

Not available

Workings

Type: Surface/Underground

Ownership

Owner Name: E. I. Theriault

Production

Not available

Deposit

Record Type: Site
Operation Category: Occurrence
Operation Type: Unknown
Discovery Method: Unknown
Years of Production:
Organization:
Significant: N
Deposit Size: S

Physiography

General Physiographic Area: Rocky Mountain System
Physiographic Province: Northern Rocky Mountains
Physiographic Detail: Bitterroot Mountains

Mineral Deposit Model

Not available

Orebody

Form: IRREGULAR BUNCHES

Structure

Type: L
Description: Veins Are In Fractures Associated With Post-Intrusion Movement Along St. Joe Fault Zone. Nw - Se Folding And Faulting

Alterations

Not available

Rocks

Name: Slate
Role: Host
Age Type: Host Rock
Age Young: Neoproterozoic

Analytical Data

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

Materials

Ore: Chalcopyrite
Gangue: Quartz
Gangue: Siderite
Gangue: Pyrite
Gangue: Pyrrhotite
Gangue: Calcite

Comments

Comment (Location): LOCATED AT THE JUNCTION OF HARVEY CR WITH THE ST. JOE R

Comment (Development): 5 PATENTED CLAIMS

Comment (Deposit): DIABASE DIKE STRIKES N 65 DEG W, DIPS 75 DEG. S

References

Reference (Deposit): SPOKANE CHRONICLE, JUNE 29 , 1970

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

Reference (Deposit): 1911 OTHER J. T. PARDEE BULL. 470

Reference (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.

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

Reference (Deposit): 1949 GEOLMAP IDAHO BUREAU OF MINES AND GEOLOGY PAMPHLET 82

Idaho Gold

"Where to Find Gold in Idaho" looks at the density of modern placer mining claims along with historical gold mining locations and mining district descriptions to determine areas of high gold discovery potential in Idaho. Read more: Where to Find Gold in Idaho.