Fraction Claim Prospect

The Fraction Claim Prospect is a lead and silver mine located in Custer county, Idaho at an elevation of 9,400 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: Fraction Claim Prospect  

State:  Idaho

County:  Custer

Elevation: 9,400 Feet (2,865 Meters)

Commodity: Lead, Silver

Lat, Long: 43.9997, -114.63670

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 Fraction Claim Prospect

Fraction Claim Prospect MRDS details

Site Name

Primary: Fraction Claim Prospect


Commodity

Primary: Lead
Primary: Silver
Secondary: Gold
Secondary: Zinc
Tertiary: Copper


Location

State: Idaho
County: Custer
District: Germania Creek 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: Sawtooth National Forest


Holdings

Not available


Workings

Type: Underground


Ownership

Not available


Production

Not available


Deposit

Record Type: Site
Operation Category: Prospect
Operation Type: Underground
Discovery Year: 1883
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: Sawtooth Mountains


Mineral Deposit Model

Not available


Orebody

Not available


Structure

Not available


Alterations

Alteration Type: L
Alteration Text: Silicified


Rocks

Name: Quartzite
Role: Host
Age Type: Host Rock Unit
Age Young: Late Permian

Name: Quartzite
Role: Host
Age Type: Host Rock
Age Young: Late Permian


Analytical Data

Analytical Data: ONE SAMPLE ASSAYED 14.6 OZ AG/TON, 0.01 OZ AU/TON. SAMPLES TAKEN ACROSS SHEAR ZONE AVERAGED 0.02 OZ AU/TON, 5.8 OZ AG/TON, 3.38% PB, 0.08% CU, AND 1.63% ZN.


Materials

Gangue: Quartz
Gangue: Calcite


Comments

Comment (Location): N. Face of Bible Back Mtn.

Comment (Development): Patented In 1897

Comment (Workings): 3 Adits and An Inclined Shaft.

Comment (Geology): Shear Zone Extends Through Rock Slide No. 1 Claim.


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 And Others, 1986, USGS Bulletin 1545e, Pl. 3, No. 140

Reference (Reserve-Resource): Tschanz, C. M., And Others, 1974, USGS Open - File Report.

Reference (Deposit): Hailey Quad, Mines And Prospect Map Series 1981, V.E. Mitchell, Et. Al; Location No. 69


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.