The Vosburg Mine is a gold and silver mine located in Broadwater county, Montana at an elevation of 7,080 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: 7,080 Feet (2,158 Meters)
Commodity: Gold, Silver
Lat, Long: 46.39944, -111.72000
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.
Vosburg Mine MRDS details
Site Name
Primary: Vosburg Mine
Secondary: Vossburg
Commodity
Primary: Gold
Primary: Silver
Secondary: Lead
Secondary: Zinc
Secondary: Manganese
Location
State: Montana
County: Broadwater
District: Winston District
Land Status
Not available
Holdings
Not available
Workings
Not available
Ownership
Owner Name: Vosburg Mining Co., Winston, Montana
Owner Name: Vosburg Mining Co., Seattle, Washington
Production
Not available
Deposit
Record Type: Site
Operation Category: Past Producer
Deposit Type: Vein
Operation Type: Unknown
Year First Production: 1933
Discovery Method: Unknown
Years of Production:
Organization:
Significant: N
Deposit Size: S
Physiography
General Physiographic Area: Rocky Mountain System
Physiographic Province: Northern Rocky Mountains
Physiographic Detail: Elkhorn Mountains
Mineral Deposit Model
Not available
Orebody
Form: TABULAR
Structure
Type: R
Description: Boulder Batholith, Lombard Overthrust
Type: L
Description: Little Olga Stock
Alterations
Not available
Rocks
Name: Diorite
Role: Associated
Age Type: Host Rock
Age Young: Late Cretaceous
Name: Diorite
Role: Associated
Age Type: Associated Rock
Age Young: Late Cretaceous
Analytical Data
Not available
Materials
Ore: Pyrite
Ore: Limonite
Ore: Sphalerite
Comments
Comment (Reserve-Resource): ASSUME ADDITIONAL DEVELOPMENT FOR 100 FT BELOW EXISTING WORKINGS. GRADE IS GRADE OF 6 IN WIDTH OF VEIN ON THIRD LEVEL.
Comment (Production): ESTIMATE BELIEVED TO BE VERY CLOSE TO ACTUAL PRODUCTION
Comment (Geology): VOSBURG VEIN CONFINED TO LITTLE OLGA STOCK. SEVERAL OTHER APPROXIMATELY PARALLEL VEINS IN STOCK INCLUDING CYNOSURE, IRISH SYNDICATE, AND THE LITTLE OLGA. STOCK IS PORPHYRITIC NEAR VOSBURG MINE.
Comment (Workings): MINE DEVELOPED BY A TWO COMPARTMENT SHAFT AND AT LEAST 7 ADITS ON THE EAST SIDE OF A HILL. VEIN APPEARS TO HAVE BEEN WORKED TO A DEPTH OF ABOUT 70 M
References
Reference (Deposit): EARLL, F. N., 1964, ECONOMIC GEOLOGY AND GEOCHEMICAL STUDY OF WINSTON MINING DISTRICT, BROADWATER CO., MONTANA: MONTANA BUREAU OF MINES GEOL. BULL. 41
Reference (Deposit): REED, G. C., 1951, MINES AND MINERAL DEPOSITS (EXCEPT FUELS), BROADWATER CO., MONTANA: U.S. BUREAU MINES INF. CIRC. 7592
Reference (Production): USBM IC 7592
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.
