Red Mountain Tunnel

The Red Mountain Tunnel is a lead 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: Red Mountain Tunnel  

State:  Montana

County:  Lewis and Clark

Elevation:

Primary Mineral: Lead, Silver

Lat, Long: 46.48056, -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 Red Mountain Tunnel

Red Mountain Tunnel MRDS details

Site Name

Primary: Red Mountain Tunnel
Secondary: Montana Lead Crosscut Tunnel No. 1.


Commodity

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


Location

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.


Holdings

Not available


Workings

Type: Unknown


Ownership

Not available


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: Red Mountain Fault


Alterations

Alteration Type: L
Alteration Text: Sericitization


Rocks

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

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


Analytical Data

Not available


Materials

Ore: Chalcopyrite
Ore: Galena
Ore: Gold
Ore: Sphalerite
Gangue: Pyrite
Gangue: Quartz


Comments

Comment (Location): 2.7 KM NW OF RED MOUNTAIN. ; INFO FROM LAND.ST :(1950)

Comment (Production): FEW HUNDRED TONS OF ORE.

Comment (Deposit): 40 OR MORE VEINS WERE FOUND ON THE E SIDE OF THE FAULT. THE FREE SPEECH, EUREKA, AND ALTA WERE THE ONLY ONES THAT WERE DEVELOPED. 24303 FT FROM PORTAL PASS THROUGH THE RED MTN FAULT, A VERTICAL FISSURE CONTAINING CLAY GOUGE THAT HAS FRAGMENTS OF QUARTZ MONZONITE AND APLITE.

Comment (Workings): A LONG CROSSCUT WHICH CUT THE RED MOUNTAIN FAULT MOST OF IT IS INACCESSIBLE


References

Reference (Production): USGS PP 428, P. 56.

Reference (Deposit): USGS BULL 842, P. 249-54.

Reference (Deposit): USGS BULL 842, P. 249, PL. 41

Reference (Deposit): USGS PP 428, PL. 1, P. 33, 54, 56.