Fran Clara Prospect

The Fran Clara Prospect is a lead mine located in Custer county, Idaho at an elevation of 6,401 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: Fran Clara Prospect

State:  Idaho

County:  Custer

Elevation: 6,401 Feet (1,951 Meters)

Commodity: Lead

Lat, Long: 44.2275, -114.93170

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 Fran Clara Prospect

Fran Clara Prospect MRDS details

Site Name

Primary: Fran Clara Prospect


Commodity

Primary: Lead
Tertiary: Zinc
Tertiary: Copper


Location

State: Idaho
County: Custer
District: Stanley District


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: Challis National Forest


Holdings

Not available


Workings

Type: Underground


Ownership

Not available


Production

Not available


Deposit

Record Type: Site
Operation Category: Prospect
Deposit Type: Vein
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: Salmon River Mountains


Mineral Deposit Model

Not available


Orebody

Not available


Structure

Not available


Alterations

Alteration Type: L
Alteration Text: Fe - Oxide And Copper Carbonate Stains


Rocks

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

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: 2 DUMP GRAB SAMPLES: TRACE PB, ZN, CU.


Materials

Not available


Comments

Comment (Workings): 1 Shaft


References

Reference (Deposit): Tschanz, C. M., And Others, 1974, Mineral Resources Of The Eastern Part Of The Sawtooth National Recreation Area, Custer And Blaine Counties, Idaho: USGS Open - File Rept., 648 P

Reference (Deposit): Vannoy, R. M., And Others, 1986, Economic Appraisal Of The Eastern Part Of The Sawtooth National Recreation Area, Idaho: U.S. Geological Survey Bulletin 1545-E, Table 24, No. 32, P. 390.


Idaho Gold

Where to Find Gold in Idaho

"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.