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
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.
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
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.
