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
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.
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.
Principal Gold Districts of Montana
In Montana, 54 mining districts have each have produced more than 10,000 ounces of gold. The largest producers are Butte, Helena, Marysville, and Virginia City, each having produced more than one million ounces. Twenty seven other districts are each credited with between 100,000 and one million ounces of gold production. Read more: Principal Gold Districts of Montana.
