Boss Tweed Mine

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

Name: Boss Tweed Mine

State:  Montana

County:  Madison

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.


Satelite image of the Boss Tweed Mine

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

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.