Big Six Mine

The Big Six Mine is a gold mine located in Fergus county, Montana at an elevation of 5,325 feet.

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: Big Six Mine  

State:  Montana

County:  Fergus

Elevation: 5,325 Feet (1,623 Meters)

Primary Mineral: Gold

Lat, Long: 47.11083, -109.24083

Map: View on Google Maps

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.


Satelite image of the Big Six Mine

Big Six Mine MRDS details

Site Name

Primary: Big Six Mine
Secondary: Mcevany Group


Commodity

Primary: Gold


Location

State: Montana
County: Fergus
District: Warm Springs District


Land Status

Not available


Holdings

Not available


Workings

Not available


Ownership

Owner Name: Wesley Mcevany, Judith Gap, Montana


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: Interior Plains
Physiographic Province: Great Plains Province
Physiographic Section: Missouri Plateau, Unglaciated
Physiographic Detail: Judith Mountains


Mineral Deposit Model

Not available


Orebody

Not available


Structure

Type: R
Description: Judith Mts - Domal Structures Intruded By Cret-Tert. Lacoliths


Alterations

Alteration Type: L
Alteration Text: Oxidation


Rocks

Name: Limestone
Role: Host
Age Type: Associated Rock Unit
Age Young: Pliocene

Name: Limestone
Role: Host
Age Type: Host Rock Unit
Age Young: Mississippian

Name: Limestone
Role: Host
Age Type: Host Rock
Age Young: Mississippian


Analytical Data

Not available


Materials

Not available


Comments

Comment (Reserve-Resource): LARGE QUANTITIES OF LOW-GRADE ORE REMAIN IN MINE

Comment (Development): ECON.COM: MINE CLOSURE ATTRIBUTED TO LACK OF WATER FOR THE MILL AND HIGH OPERATING COSTS.

Comment (Workings): AT ONE TIME 3900 FT. TRAMWAY CONNECTED THIS WITH WISKEY GULCH MILL, WHERE ORE WAS TREATED.


References

Reference (Deposit): ROBERTSON, A. F., 1950, MINES & MINERAL DEPOSITS - FERGUS COUNTY, U.S. BUREAU OF MINES. INF. CIRC. 7544