M and L Mine

The M and L Mine is a gold and silver mine located in Lewis and Clark county, Montana at an elevation of 6,480 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: M and L Mine  

State:  Montana

County:  Lewis and Clark

Elevation: 6,480 Feet (1,975 Meters)

Primary Mineral: Gold, Silver

Lat, Long: 46.75278, -112.34444

Map: View on Google Maps

Satelite View


Satelite image of the M and L Mine

M and L Mine MRDS details

Site Name

Primary: M and L Mine


Commodity

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


Location

State: Montana
County: Lewis and Clark
District: Marysville District


Land Status

Not available


Holdings

Not available


Workings

Type: Underground


Ownership

Owner Name: Owen Byrnes


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: Marysville Stock


Alterations

Not available


Rocks

Name: Shale
Role: Host
Age Type: Host Rock Unit
Age Young: Neoproterozoic

Name: Shale
Role: Host
Age Type: Host Rock
Age Young: Neoproterozoic


Analytical Data

Not available


Materials

Ore: Chrysocolla
Ore: Malachite
Ore: Gold
Ore: Galena
Gangue: Quartz


Comments

Comment (Reserve-Resource): LARGE AMT. ORE REMAINS

Comment (Workings): 2 COMPARTMENT SHAFT, DRIFTING AT LEVELS 90 AND 250. THESE WORKINGS ARE CONNECTED WITH THE EMPIRE MINE'STMAIN ADIT.

Comment (Location): NW STEEP SLOPE OF MOUNT BELMONT

Comment (Deposit): E EXTENSION OF EMPIRE VEIN. THE VEIN NARROWS IN PLACES BUT BEYOND THEM THE VEIN WIDENS OUT TO ITS FULL STRENGTH.


References

Reference (Deposit): USGS BULL 842, P. 70-1, PL. 5