Franklin D. Prospect

The Franklin D. Prospect is a lead, silver, and gold mine located in Valley county, Idaho at an elevation of 8,100 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

Name: Franklin D. Prospect  

State:  Idaho

County:  Valley

Elevation: 8,100 Feet (2,469 Meters)

Commodity: Lead, Silver, Gold

Lat, Long: 44.6664, -115.29810

Map: View on Google Maps

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.


Satelite image of the Franklin D. Prospect

Franklin D. Prospect MRDS details

Site Name

Primary: Franklin D. Prospect
Secondary: In 4th of July Group


Commodity

Primary: Lead
Primary: Silver
Primary: Gold


Location

State: Idaho
County: Valley
District: Pistol Creek District


Land Status

Land ownership: National Primitive Area
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: Idaho Primitive Area


Holdings

Not available


Workings

Type: Surface/Underground


Ownership

Not available


Production

Not available


Deposit

Record Type: Site
Operation Category: Occurrence
Deposit Type: Vein
Operation Type: Unknown
Discovery Year: 1938
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: Salmon River Mountains


Mineral Deposit Model

Not available


Orebody

Form: PODS, IRREGULAR


Structure

Type: L
Description: Brecciation, Faulting


Alterations

Alteration Type: L
Alteration Text: Fe - Stained


Rocks

Name: Quartz Monzonite
Role: Associated
Age Type: Host Rock
Age Young: Late Cretaceous

Name: Quartz Monzonite
Role: Associated
Age Type: Associated Rock
Age Young: Late Cretaceous


Analytical Data

Analytical Data: 48 SAMPLES ASSAYED TRACE TO 2.19 OZ AU/TON, TRACE TO 11.80 OZ AG/TON. AVERAGE ALONG VEIN OF 0.88 OZ AU/TON, 4.62 OZ AG/TON.


Materials

Ore: Galena
Ore: Barite
Ore: Anglesite
Gangue: Limonite
Gangue: Pyrite
Gangue: Quartz


Comments

Comment (Location): AT HEAD OF FORTY - FIVE CREEK

Comment (Commodity): BRECCIA CONTAINS UP TO 5% ANGLESITE


References

Reference (Deposit): 1973 RECON CATER, F. W., AND OTHERS, BULL. 130

Reference (Deposit): CATER, F. W., AND OTHERS, 1973, MINERAL RESOURCES OF THE IDAHO PRIMITIVE AREA AND VICINITY, IDAHO: U. S. GEOLOGICAL SURVEY BULL. 1304, 431 P.

Reference (Deposit): MINOBRAS, 1975, IDAHO INDUSTRIAL MINERALS: MINOBRAS, P. 34 - 36.


Idaho Gold

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"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.