Ottawa Mine

The Ottawa Mine is a tungsten 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: Ottawa Mine  

State:  Montana

County:  Lewis and Clark

Elevation:

Primary Mineral: Tungsten

Lat, Long: 46.74444, -112.28611

Map: View on Google Maps

Satelite View


Satelite image of the Ottawa Mine

Ottawa Mine MRDS details

Site Name

Primary: Ottawa Mine
Secondary: Prentice Property


Commodity

Primary: Tungsten
Secondary: Copper


Location

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


Land Status

Not available


Holdings

Not available


Workings

Type: Surface/Underground


Ownership

Owner Name: Ottawa Tungsten Co.


Production

Not available


Deposit

Record Type: Site
Operation Category: Occurrence
Operation Type: Unknown
Discovery Year: 1900
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

Form: LENS


Structure

Type: R
Description: Boulder Batholith

Type: L
Description: Marysville Stock


Alterations

Not available


Rocks

Name: Diorite
Role: Associated
Age Type: Associated Rock Unit
Age Young: Late Cretaceous

Name: Diorite
Role: Associated
Age Type: Host Rock
Age Young: Neoproterozoic

Name: Diorite
Role: Associated
Age Type: Host Rock Unit
Age Young: Neoproterozoic

Name: Diorite
Role: Associated
Age Type: Associated Rock
Age Young: Pliocene


Analytical Data

Analytical Data: WO3 PERCENTAGES GO FROM TRACE TO 3.05%.


Materials

Ore: Chalcopyrite
Ore: Scheelite
Gangue: Pyrite
Gangue: Quartz


Comments

Comment (Location): LAT. LONG IS INTESECTION OF ALL 3 SECTIONS, N SLOPE OF DRUMLUMMON HILL.

Comment (Deposit): DISSEMINATED SCHEELITE OF 1/16 IN TO 1/4 IN IN DIAMETER.

Comment (Workings): 2 ADITS, 7 RAISES, TRENCHES

Comment (Deposit): Discovery Year: 1900 FOR ALL

Comment (Development): 1940 SCHEELITE DISCOVERED


References

Reference (Deposit): USBM REP INVES 6334, P. 5, 20, 22.

Reference (Deposit): DMEA RECORDS