Lexington Mine

The Lexington Mine is a silver and lead mine located in Lewis and Clark county, Montana.

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: Lexington Mine  

State:  Montana

County:  Lewis and Clark

Elevation:

Primary Mineral: Silver, Lead

Lat, Long: 46.4725, -112.24000

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 Lexington Mine

Lexington Mine MRDS details

Site Name

Primary: Lexington Mine


Commodity

Primary: Silver
Primary: Lead
Secondary: Zinc
Secondary: Gold
Tertiary: Arsenic
Tertiary: Antimony


Location

State: Montana
County: Lewis and Clark
District: Rimini 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: Montana Lead Co.


Production

Year: 1889
Time Period: 1888-1889
Description: Cp_Grade: ^.21 Oz/Ton Au, 29 Oz/Ton Ag, 10% Pb


Deposit

Record Type: Site
Operation Category: Past Producer
Operation Type: 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

Not available


Structure

Type: R
Description: Boulder Batholith

Type: L
Description: Red Mountain Fault.


Alterations

Not available


Rocks

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

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


Analytical Data

Not available


Materials

Ore: Galena
Ore: Gold
Ore: Tetrahedrite
Ore: Sphalerite
Gangue: Pyrite
Gangue: Quartz
Gangue: Tourmaline


Comments

Comment (Location): 1.8 KM NW OF THE SUMMIT OF RED MOUNTAIN. ; INFO FROM LAND.ST :(1950)

Comment (Deposit): THE VEIN ZONE CAN BE TRACED ON THE SURFACE BY ADITS AND SHALLOW PITS E ACROSS A RIDGE FOR 1000 FT TO THE E ADIT. THE VEIN IN THE W ADIT IS 6-10 FT WIDE AND STRIKES N 78 W AND DIPS 75-80 S AND HAS BEEN STOPED FOR NEARLY 100 FT ALONG STRIKE. THE E ADIT THE VEIN STRIKES N 65 E.

Comment (Workings): EXTENSIVE DEVELOPMENT BY SEVERAL TUNNELS


References

Reference (Deposit): USGS PP 428, P. 57, PL. 1.

Reference (Deposit): USGS BULL 842, P. 252

Reference (Production): USGS BULL 842, P. 252.