Franklin Prospect

The Franklin Prospect is a copper mine located in Shoshone county, Idaho at an elevation of 2,799 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: Franklin Prospect
Secondary: Stanley Boys Mine
Secondary: Helmer Silver Mines Co.
Secondary: Copper Bell

Commodity

Primary: Copper
Tertiary: Nickel
Tertiary: Cobalt

Location

State: Idaho
County: Shoshone
District: Avery

Land Status

Land ownership: National Forest
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.
Administrative Organization: St. Joe National Forest

Holdings

Not available

Workings

Type: Underground

Ownership

Owner Name: Nickelby

Production

Not available

Deposit

Record Type: Site
Operation Category: Prospect
Operation Type: Underground
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

Structure

Type: L
Description: Osburn Fault; Complex Nw-Se Folding And Faulting Accompanied By Fracturing, Shearing And Jointing

Alterations

Alteration Type: L
Alteration Text: Thin Gouge Seams

Rocks

Not available

Analytical Data

Not available

Materials

Ore: Gersdorffite
Ore: Tetrahedrite
Ore: Chalcopyrite
Gangue: Quartz
Gangue: Pyrite
Gangue: Siderite
Gangue: Pyrrhotite

Comments

Not available

References

Reference (Reserve-Resource): Unpublished Cobalt Report.

Reference (Deposit): Wagner, W. R., 1949 , The Geology Of Part Of The South Slope Of The St. Joe Mountains, Shoshone County, Idaho: Idaho Bureau Of Mines And Geology Pamphlet 82 , 48 P

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.