Last Chance Claim

The Last Chance Claim is a silica and copper mine located in Granite county, Montana at an elevation of 5,020 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: Last Chance Claim  

State:  Montana

County:  Granite

Elevation: 5,020 Feet (1,530 Meters)

Commodity: Silica, Copper

Lat, Long: 46.4, -113.29667

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 Last Chance Claim

Last Chance Claim MRDS details

Site Name

Primary: Last Chance Claim
Secondary: Last Chance Tailings


Commodity

Primary: Silica
Primary: Copper
Secondary: Silver
Secondary: Gold
Tertiary: Antimony


Location

State: Montana
County: Granite
District: John Long Mountains Area


Land Status

Land ownership: National Forest
Note: the land ownership field only identifies whether the area the mine is in is generally on public lands like Forest Service or BLM land, or if it is in an area that is generally private property. It does not definitively identify property status, nor does it indicate claim status or whether an area is open to prospecting. Always respect private property.


Holdings

Not available


Workings

Type: Underground


Ownership

Owner Name: Bennett Brothers

Owner Name: Mc Lure, William R. (Tailings)
Home Office: Box 5, Philipsburg, Mt.


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: Rocky Mountain System
Physiographic Province: Northern Rocky Mountains
Physiographic Detail: John Long Mountains


Mineral Deposit Model

Not available


Orebody

Not available


Structure

Not available


Alterations

Not available


Rocks

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

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


Analytical Data

Analytical Data: $30 IN AU, AG (1900)


Materials

Ore: Tetrahedrite
Ore: Malachite
Ore: Gold
Gangue: Calcite
Gangue: Iron
Gangue: Quartz


Comments

Comment (Location): ON W SLOPE. ; INFO FROM LAND.ST :(1971)

Comment (Deposit): STRIKE ACROSS BEDDING

Comment (Workings): TUNNEL IS 55 FT BELOW OUTCROP OF THE LODE.


References

Reference (Deposit): USGS PP 78, P. 261.

Reference (Deposit): MBMG BULL 82, P. 8.

Reference (Deposit): MBMG BULL 58, P. 16

Reference (Production): MBMG BULL 58, P. 16.


Principal Gold Districts of Montana

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.