Big Ben

The Big Ben is a molybdenum and silver mine located in Cascade 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

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.

Site Name

Primary: Big Ben

Commodity

Primary: Molybdenum
Primary: Silver

Location

State: Montana
County: Cascade
District: Neihart Mining Dist.

Land Status

Not available

Holdings

Not available

Workings

Not available

Ownership

Owner Name: Frank Mansikka
Home Office: Neihart, Montana

Owner Name: Amax, Inc.

Production

Not available

Deposit

Record Type: Site
Operation Category: Occurrence
Operation Type: Unknown
Discovery Year: 1922
Years of Production:
Organization:
Significant: N

Physiography

General Physiographic Area: Rocky Mountain System
Physiographic Province: Northern Rocky Mountains

Mineral Deposit Model

Not available

Orebody

Form: ELLIPSOIDAL

Structure

Not available

Alterations

Alteration Type: L
Alteration Text: Kaolinization

Rocks

Not available

Analytical Data

Analytical Data: AVERAGE GRADE-0.33% MOS2

Materials

Ore: Galena
Ore: Sphalerite
Ore: Molybdenite
Ore: Molybdite

Comments

Not available

References

Reference (Deposit): SCHAFER, P., 1935, GEOLOGY AND ORE DEPOSITS OF THE NEIHART MINING DIST. MONTANA: MONTANA BUR. OF MINING & GEOL. MEMO 13

Reference (Deposit): HORTON, F., 1916, MOLYBDENUM ITS ORE AND THEIR CONCENTRATION: U.S.B.M. BULL. 111

Reference (Deposit): 1943 GEOLMAP S. CREASEY & E. SCHOLZ

Reference (Deposit): 1962 DIREXPL AMAX

Reference (Reserve-Resource): ITEM 1: R.U. KING ITEM 2: MONT. B.M.&G. BULL. 111

Reference (Deposit): HERDLICK, J.A., 1949, R.I 4406

Reference (Deposit): 1893 RECON W.H. WEED

Reference (Deposit): 1938 DIREXPL FEDERAL MINING & SMELTING CO

Principal Gold Districts of Montana

In Montana, 54 mining districts have each have produced more than 10,000 ounces of gold. The largest producers are Butte, Helena, Marysville, and Virginia City, each having produced more than one million ounces. Twenty seven other districts are each credited with between 100,000 and one million ounces of gold production. Read more: Principal Gold Districts of Montana.