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
Elevation: 6,480 Feet (1,975 Meters)
Commodity: Gold, Silver
Lat, Long: 46.75278, -112.34444
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.
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
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.
