The Boss Tweed Mine is a silver, copper, and gold mine located in Madison county, Montana at an elevation of 7,402 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: 7,402 Feet (2,256 Meters)
Commodity: Silver, Copper, Gold
Lat, Long: 45.66389, -111.95639
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.
Boss Tweed Mine MRDS details
Site Name
Primary: Boss Tweed Mine
Commodity
Primary: Silver
Primary: Copper
Primary: Gold
Location
State: Montana
County: Madison
District: Pony District
Land Status
Not available
Holdings
Not available
Workings
Not available
Ownership
Owner Name: Pacific Gold Mining Co.
Production
Year: 1935
Time Period: 1890 - 1935
Material type: CU
Description: Cp_Grade: ^0.02 %
Deposit
Record Type: Site
Operation Category: Past Producer
Operation Type: Unknown
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: Tobacco Root Mountains
Mineral Deposit Model
Not available
Orebody
Form: IRREGULAR
Structure
Not available
Alterations
Alteration Type: L
Alteration Text: Sericitization And Silicification
Rocks
Name: Quartz Monzonite
Role: Associated
Age Type: Associated Rock
Age Young: Late Cretaceous
Name: Quartz Monzonite
Role: Associated
Age Type: Associated Rock Unit
Age Young: Late Cretaceous
Name: Quartz Monzonite
Role: Associated
Age Type: Host Rock Unit
Age Young: Neoproterozoic
Name: Quartz Monzonite
Role: Associated
Age Type: Host Rock
Age Young: Neoproterozoic
Analytical Data
Not available
Materials
Not available
Comments
Comment (Production): PRODUCTION FROM 176,000 ST ORE
Comment (Workings): MINE DEVELOPED BY TWO PRINCIPLE ORE SHOOTS, THE EAST AND WEST. IN 1936 MINE SITE EQUIPTED WITH 100 TON FLOATATION MILL, COMPRESSOR, & SHOPS
Comment (Location): LOCATED AT HEADWATERS OF PONY CREEK.
References
Reference (Deposit): LORAIN, 1937, GOLD LODE MINING - TOBACCO ROOT MTS., U. S. BUREAU MINES INF. CIRC. 6972.
Reference (Deposit): MBMG MEM 9, P. 26
Reference (Deposit): MBMG MEM 36.
Reference (Deposit): VITALIANO, ET AL, 1979, GEOLOGIC MAP OF SOUTHERN TOBACCO ROOT MTNS, MADISON CO., MONT., GEO. SOC. OF AMER, MC-31.
Reference (Deposit): 1933 RECON MBMG MEM 9
Reference (Deposit): 1957 GEOLMAP MBMG MEM 36
Reference (Deposit): 1979 GEOLMAP G.S.A. MC-31
Reference (Production): LORAIN, 1937, USBM INF. CIRC. 6972
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.