Helena Mine

The Helena 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: Helena Mine  

State:  Montana

County:  Lewis and Clark

Elevation:

Primary Mineral: Silver, Lead

Lat, Long: 46.62694, -112.12417

Map: View on Google Maps

Satelite View


Satelite image of the Helena Mine

Helena Mine MRDS details

Site Name

Primary: Helena Mine


Commodity

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


Location

State: Montana
County: Lewis and Clark
District: Scratchgravel Hills District


Land Status

Not available


Holdings

Not available


Workings

Type: Underground


Ownership

Owner Name: Paul Smith
Home Office: 26 W. Sixth Ave., Helena, Mt.

Owner Name: E. J. Stevens
Home Office: 1459 Cannon St., Helena, Mt.


Production

Not available


Deposit

Record Type: Site
Operation Category: Past Producer
Deposit Type: Contact Metasomatic
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: Scratchgravel Quartz Monzonite Stock


Alterations

Not available


Rocks

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: Neoproterozoic

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

Name: Quartz Monzonite
Role: Associated
Age Type: Host Rock Unit
Age Young: Neoproterozoic


Analytical Data

Analytical Data: UNOXIDIZED ORE: 25-35% MORE, AU AND AU STAYED THE SAME, 2-3% ZN.
Analytical Data: 0.29 OZ/TON AU, 14.34 OZ/TON AG, 13-14% PB


Materials

Ore: Galena
Ore: Gold


Comments

Comment (Location): 1.4 KM E OF STEMWINDER HILL.

Comment (Workings): SHAFT, DRIFTS

Comment (Geology): SAME VEIN AS THROUGH ROCK ROSE AND LOOBY MINE. HELENA IS IN THE MIDDLE.


References

Reference (Deposit): USGS BULL 842, P. 57-58.

Reference (Deposit): MBMG BULL 14, P. 22.

Reference (Production): USGS BULL 842, P. 57.