French Bar Placer

The French Bar Placer is a sapphire mine located in Lewis and Clark county, Montana at an elevation of 3,799 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: French Bar Placer  

State:  Montana

County:  Lewis and Clark

Elevation: 3,799 Feet (1,158 Meters)

Commodity: Sapphire

Lat, Long: 46.6539, -111.75420

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 French Bar Placer

French Bar Placer MRDS details

Site Name

Primary: French Bar Placer


Commodity

Primary: Sapphire
Tertiary: Gemstone
Tertiary: Gold


Location

State: Montana
County: Lewis and Clark
District: Missouri River


Land Status

Land ownership: Private
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

Type: Patented


Workings

Not available


Ownership

Owner Name: Mc Master, James
Company ID: 2401695
Percent: 100.0
Home Office: Montana
Info Year: 1991


Production

Not available


Deposit

Record Type: Site
Operation Category: Producer
Operation Type: Placer
Mining Method: Alluvial Mining
Discovery Method: Ore-Mineral In Place
Years of Production:
Organization:
Significant: N


Physiography

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


Mineral Deposit Model

Not available


Orebody

Not available


Structure

Not available


Alterations

Not available


Rocks

Not available


Analytical Data

Not available


Materials

Not available


Comments

Not available


References

Reference (Deposit): MONTANA BUREAU OF MINES & GEOLOGY BULLETIN 100, 1976, P. 28.

Reference (Deposit): MONTANA BUREAU OF MINES & GEOLOGY BULLETIN 95, 1975.

Reference (Deposit): MSHA REPORT, NOVEMBER 1982.

Reference (Deposit): U.S. BUREAU OF MINES, 1994, DIRECTORY OF PRINCIPAL U.S.

Reference (Deposit): GEMSTONE PRODUCERS IN 1993; U.S. BUREAU OF MINES MINERAL

Reference (Deposit): INDUSTRY SURVEYS, P. 32.


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.