Lone Eagle Quartz Mine

The Lone Eagle Quartz Mine is a uranium mine located in Jefferson county, Montana at an elevation of 5,899 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: Lone Eagle Quartz Mine
Secondary: Lone Eagle Mine

Commodity

Primary: Uranium
Secondary: Zinc
Secondary: Lead
Secondary: Silver

Location

State: Montana
County: Jefferson
District: Clancy-Lump Gulch 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.

Holdings

Not available

Workings

Type: Unknown

Ownership

Owner Name: Nelligan, M.

Owner Name: Eiselein, A. H.

Owner Name: Nieminen, D.

Production

Year: 1955
Time Period: 1952-1955
Material type: ORE
Description: Cp_Grade: ^0.26% U308

Deposit

Record Type: Site
Operation Category: Past Producer
Operation Type: Unknown
Year First Production: 1953
Discovery Year: 1900
Discovery Method: Unknown
Years of Production:
Organization:
Significant: N
Deposit Size: S

Physiography

General Physiographic Area: Rocky Mountain System
Physiographic Province: Northern Rocky Mountains

Mineral Deposit Model

Not available

Orebody

Form: PODS

Structure

Type: R
Description: Boulder Batholith

Alterations

Alteration Type: L
Alteration Text: Feldspars Altered To Sericite And Clay; Some Silicification

Rocks

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

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

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

Analytical Data

Analytical Data: 51 TONS ASSAYED 0.24% U3O8 ANOTHER SHIPMENT OF 15 TONS ASSAYED 0.28% U3O8

Materials

Ore: Argentite
Ore: Pitchblende
Ore: Galena
Ore: Sphalerite
Gangue: Quartz
Gangue: Pyrite

Comments

Comment (Workings): DEVELOPMENT WORK INCLUDES TWO ADITS, ONE 50 FT. ABOVE THE OTHER

Comment (Location): 10.2 KM WNW OF JEFFERSON CITY. ; INFO FROM LAND.ST :(1950)

Comment (Deposit): THE VEIN IS OFFSET A FEW FT TO THE RT BY FAULTS THAT STRIKE E OR NW AND DIP STEEPLY. NE OF CROSSCUT THE U-BEARING VEIN SPLITS INTO 2 PARTS.

References

Reference (Reserve-Resource): DMEA FILES

Reference (Deposit): 1952 GEOLMAP USGS PROF. PAPER 42

Reference (Deposit): USGS PP 428, P. 40, 42, 70, 79, 80, PL. 1.

Reference (Deposit): MBMG BULL 16, P. 51.

Colorized Mining Photos

Western Mining History's collection of colorized mining photos includes incredible scenes from Montana: Best Historical Photos: Colorized Mining Scenes.