Looby Mine

The Looby 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: Looby Mine  

State:  Montana

County:  Lewis and Clark

Elevation:

Primary Mineral: Silver, Lead

Lat, Long: 46.62556, -112.12417

Map: View on Google Maps

Satelite View


Satelite image of the Looby Mine

Looby Mine MRDS details

Site Name

Primary: Looby 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

Not available


Ownership

Owner Name: J. J. Cruse

Owner Name: Cruse Consolidated Mining Co.


Production

Year: 1918
Time Period: 1895-1918
Description: Cp_Grade: ^.15 Oz/Ton Au, .125 Oz/Ton Ag, 12% Pb, 4-10% Zn.


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: Host Rock Unit
Age Young: Neoproterozoic

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


Analytical Data

Analytical Data: 0.15 OZ/TON AU, 0.125 OZ/TON AG, 12% PB, 4-10% ZN


Materials

Ore: Gold
Ore: Galena


Comments

Comment (Deposit): THE MINES GO ROCK ROSE, HELENA, LOOBY, N TO S. ; INFO.SRC : 1 PUB LIT

Comment (Location): 1.5 KM E OF STEMWINDER HILL.

Comment (Geology): HELENA AND ROCK ROSE MINES ARE ON SAME VEIN.


References

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

Reference (Production): USGS BULL 842, P. 57-8.