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: 46.6625, -112.06944

Map: View on Google Maps

Satelite View


Satelite image of the Lexington Mine

Lexington Mine MRDS details

Site Name

Primary: Lexington Mine


Commodity

Primary: Silver
Primary: Lead
Secondary: Gold
Secondary: Copper


Location

State: Montana
County: Lewis and Clark
District: Scratchgravel Hills District


Land Status

Not available


Holdings

Not available


Workings

Not available


Ownership

Owner Name: Mary Ann Manger And Vincent Cope
Home Office: Box 130, Townsend, Mt. 59644


Production

Not available


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: Fault That Strikes N50e, Dips 60 Nw Scratchgravel Quartz Monzonite Stock


Alterations

Not available


Rocks

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

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


Analytical Data

Not available


Materials

Ore: Galena
Ore: Copper
Ore: Gold
Gangue: Quartz
Gangue: Garnet
Gangue: Hornblende


Comments

Comment (Location): W SIDE OF SCRATCHGRAVEL HILLS.

Comment (Deposit): 3 SUCCESSIVE DEPOSITS: A METAMORPHIC BODY; FOLLOWED BY A GOLD-QUARTZ VEIN; FOLLOWED BY SILVER-LEAD VEIN IN A FISSURE PARALLEL TO THE METAMORPHIC BODY.

Comment (Production): $250,000 IN AG, PB, AU ORE PRIOR TO 1880

Comment (Development): DEVELOPING IN 1973

Comment (Workings): EXTENSIVE UNDERGROUND WORKINGS 500 FT. OF CAVED STOPES SHOWN BY SMALL PITS TRENDING NE


References

Reference (Deposit): USGS BULL 842, P. 56-7.

Reference (Deposit): MBMG BULL 100, P. 13

Reference (Production): PARDEE AND SCHRADER, 1933, U.S.G.S. BULL. 842, P. 56-57