Earthquake Mine

The Earthquake 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: Earthquake Mine  

State:  Montana

County:  Lewis and Clark

Elevation:

Primary Mineral: Silver, Lead

Lat, Long: 46.73806, -112.36917

Map: View on Google Maps

Satelite View


Satelite image of the Earthquake Mine

Earthquake Mine MRDS details

Site Name

Primary: Earthquake Mine


Commodity

Primary: Silver
Primary: Lead
Secondary: Copper
Secondary: Zinc
Tertiary: Fluorine-Fluorite


Location

State: Montana
County: Lewis and Clark
District: Marysville 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.


Holdings

Not available


Workings

Type: Surface/Underground


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: Marysville Stock


Alterations

Alteration Type: L
Alteration Text: Oxidized


Rocks

Name: Shale
Role: Host
Age Type: Host Rock
Age Young: Neoproterozoic

Name: Shale
Role: Host
Age Type: Host Rock Unit
Age Young: Neoproterozoic


Analytical Data

Analytical Data: ORE OF $10-50/TON IN AU, OR PB, ZN AND AG (1900)


Materials

Ore: Malachite
Ore: Chalcopyrite
Ore: Calamine
Ore: Chrysocolla
Ore: Galena
Gangue: Quartz
Gangue: Fluorite


Comments

Comment (Location): S SIDE OF TOWSLEY GULCH. ; INFO FROM LAND.ST :(1959)

Comment (Production): ORE RICH IN GALENA WAS BEING PRODUCED IN THE COURSE OF DEVELOPMENT WORK.

Comment (Deposit): PART OF FRACTURE KNOWN AS THE TOWSLEY VEIN.

Comment (Workings): ADIT, SHAFT, OPEN CUTS


References

Reference (Deposit): USGS BULL 842, P. 63, 75-6, PL. 5

Reference (Production): USGS BULL 842, P. 63.