Shannon Mine

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

Name: Shannon Mine  

State:  Montana

County:  Lewis and Clark

Elevation:

Primary Mineral: Gold, Silver

Lat, Long: 46.73333, -112.33500

Map: View on Google Maps

Satelite View


Satelite image of the Shannon Mine

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