Lamb Prospect

The Lamb Prospect is a fluorine-fluorite mine located in Custer county, Idaho at an elevation of 8,599 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: Lamb Prospect  

State:  Idaho

County:  Custer

Elevation: 8,599 Feet (2,621 Meters)

Commodity: Fluorine-Fluorite

Lat, Long: 44.46, -114.76390

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 Lamb Prospect

Lamb Prospect MRDS details

Site Name

Primary: Lamb Prospect


Commodity

Primary: Fluorine-Fluorite
Tertiary: Beryllium


Location

State: Idaho
County: Custer
District: Yankee Fork 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

Type: Located Claim


Workings

Not available


Ownership

Owner Name: Van Lamb
Percent: 100.0
Home Office: Stanley, Idaho
Info Year: 1976


Production

Not available


Deposit

Record Type: Site
Operation Category: Prospect
Operation Type: Surface
Discovery Year: 1960
Discovery Method: Ore-Mineral In Place
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: TABULAR, SHEAR ZONE

Form: LINEAR


Structure

Type: L
Description: Fault And Fracture Zones; Brecciation


Alterations

Not available


Rocks

Name: Rhyolite
Role: Associated
Age Type: Associated Rock Unit
Age Young: Pliocene

Name: Rhyolite
Role: Associated
Age Type: Host Rock
Age Young: Pliocene

Name: Rhyolite
Role: Associated
Age Type: Associated Rock
Age Young: Pliocene


Analytical Data

Analytical Data: A HIGH VALUE OF 0.08 % BEO WAS OBTAINED
Analytical Data: A 4 FT SAMPLE ACROSS A VEIN ASSAYED AT 39.4 % CAF2


Materials

Ore: Fluorite
Gangue: Quartz
Gangue: Orthoclase
Gangue: Chalcedony
Gangue: Calcite


Comments

Comment (Deposit): 12-76 Fluorite Veins On the Lamb Property Are Thin and Irreg and Do Not Constitute A Major Fluorite Occurrance. Resource Potential Is Poor. 12-76 the Fluorite Veins Contained Trace Amts of Beryllium ( 1962, P 90).


References

Reference (Deposit): Choate, Raoul, 1962, Geology And Ore Deposits Of The Stanley Area: Idaho Bureau Of Mines And Geology, Pamphlet 126, 120 P

Reference (Deposit): Idaho Bureau Of Mines And Geology Pamphlet 83, 1949, P. 89-90.

Reference (Deposit): U.S. Geological Survey Prof. Paper 933, 1976, P. 36-37.

Reference (Deposit): U.S. Bureau Of Mines Open-File Report MLA 6-91, 1991, Table A-3, No. 493, P. 221.


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