Little Sampson Mine

The Little Sampson 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: Little Sampson Mine  

State:  Montana

County:  Lewis and Clark


Primary Mineral: Silver, Lead

Lat, Long: 46.47556, -112.24444

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.

Satelite image of the Little Sampson Mine

Little Sampson Mine MRDS details

Site Name

Primary: Little Sampson Mine


Primary: Silver
Primary: Lead
Secondary: Copper
Secondary: Zinc
Secondary: Gold
Tertiary: Arsenic
Tertiary: Antimony


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

Land Status

Land ownership: National Forest
Note: the land ownership field only identifies whether the area the mine is in is generally on public lands like Forest Service or BLM land, or if it is in an area that is generally private property. It does not definitively identify property status, nor does it indicate claim status or whether an area is open to prospecting. Always respect private property.


Not available


Type: Unknown


Owner Name: Art Benson
Home Office: Butte, Mt.

Owner Name: C. A. Magnuson
Home Office: 2530 Peasley Canyon Rd., Aburn, Wa.


Not available


Record Type: Site
Operation Category: Past Producer
Operation Type: Unknown
Year First Production: 1957
Year Last Production: 1958
Years of Production:
Significant: N


General Physiographic Area: Rocky Mountain System
Physiographic Province: Northern Rocky Mountains

Mineral Deposit Model

Not available


Not available


Type: R
Description: Boulder Batholith

Type: L
Description: Red Mountain Fault


Not available


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

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

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

Analytical Data

Not available


Ore: Boulangerite
Ore: Pyrargyrite
Ore: Sphalerite
Ore: Gold
Ore: Covellite
Ore: Bournonite
Ore: Tetrahedrite
Ore: Galena
Ore: Chalcopyrite
Ore: Polybasite
Gangue: Pyrite
Gangue: Quartz


Comment (Location): E SIDE OF TENMILE CREEK. ; INFO FROM LAND.ST :(1950)


Reference (Deposit): MBMG BULL 30, P. 28

Reference (Deposit): MBMG BULL 25, P. 25

Reference (Deposit): USGS BULL 842, P. 254, PL.41

Reference (Deposit): USGS PP 428, PL. 19