The Shannon Mine is a gold and silver 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.
Shannon Mine MRDS details
Site Name
Primary: Shannon Mine
Commodity
Primary: Gold
Primary: Silver
Location
State: Montana
County: Lewis and Clark
District: Marysville District
Land Status
Not available
Holdings
Not available
Workings
Type: Underground
Ownership
Owner Name: Smigaj Brothers
Owner Name: Barns-King Development Co.
Home Office: Butte, Mt.
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: Limestone
Role: Host
Age Type: Host Rock
Age Young: Neoproterozoic
Name: Limestone
Role: Host
Age Type: Host Rock Unit
Age Young: Neoproterozoic
Analytical Data
Not available
Materials
Ore: Gold
Comments
Comment (Location): NEAR THE HEAD OF WOODCHOPPER GULCH.
Comment (Production): PRODUCED SOME ORE IN 1937, 1938.
Comment (Deposit): RICH ORE WAS FOUND W OF SHAFT ON 500 LEVEL, (100 FT LONG) ANOTHER ORE SHOOT WAS FOUND ON THE SAME LEVEL 620 FT W OF SHAFT (400 FT LONG). A HANGING WALL ORE SHOOT ON THE 600 LEVEL FOR A LENGTH OF 200 FT AND 6 FT WIDE IT IS 800 FT W OF SHAFT. IN 1923 ON THE 700 LEVEL WAS OPEN ORE WAS NOT FOUND THAT WAS PROFITABLE AND THE MINE CLOSED.
Comment (Workings): TUNNEL WITH A SHAFT TO THE 700 LEVEL, MOST PRODUCTION CAME FROM THE 400, 500 AND 600 LEVEL BY 1918.
References
Reference (Deposit): USGS-USBM MINERAL YEARBOOKS 1915-1918, 1920-1923, 1933, 1937-1941.
Reference (Deposit): MBMG MEM 20, P. 48-9.
Reference (Deposit): USGS PP 57, PLATE 1.
Reference (Production): USGS-USBM MINERAL YEAR BOOKS
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.