South Pacific Mine

The South Pacific Mine is a gold, 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: South Pacific Mine  

State:  Montana

County:  Lewis and Clark


Primary Mineral: Gold, Lead, Silver

Lat, Long: 46.47222, -112.24278

Map: View on Google Maps

Satelite View

Satelite image of the South Pacific Mine

South Pacific Mine MRDS details

Site Name

Primary: South Pacific Mine


Primary: Gold
Primary: Lead
Primary: Silver
Secondary: Zinc


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 indicate a claim status and does not necessarily indicate an area is open to prospecting.


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Record Type: Site
Operation Category: Past Producer
Operation Type: Unknown
Years of Production:
Significant: N
Deposit Size: S


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

Mineral Deposit Model

Not available


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Type: R
Description: Boulder Batholith

Type: L
Description: Red Mountain Fault


Not available


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

Analytical Data

Analytical Data: 0.18 OZ/TON AU, 35 OZ/TON AG, 10.5 % PB


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


Comment (Location): 2 KM NW OF RED MOUNTAIN. ; INFO FROM LAND.ST :(1958)


Reference (Deposit): USGS PP 428, PL. 1.

Reference (Deposit): USGS BULL 842, P. 247-9, 251-52.