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

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 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 definitively identify property status, nor does it indicate claim status or whether an area is open to prospecting. Always respect private property.


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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

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Type: R
Description: Boulder Batholith

Type: L
Description: Red Mountain Fault


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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.