The Big Chief Mine Golconda is a lead mine located in Jefferson county, Montana.
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
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.
Big Chief Mine Golconda MRDS details
Site Name
Primary: Big Chief Mine Golconda
Commodity
Primary: Lead
Secondary: Silver
Secondary: Gold
Secondary: Zinc
Secondary: Copper
Tertiary: Antimony
Location
State: Montana
County: Jefferson
District: Alahambra (Golconda) District
Land Status
Not available
Holdings
Not available
Workings
Type: Underground
Ownership
Owner Name: Dan Pyfer
Home Office: Whitehall, Mt.
Production
Not available
Deposit
Record Type: Site
Operation Category: Past Producer
Operation Type: Unknown
Year Last Production: 1958
Years of Production:
Organization:
Significant: N
Deposit Size: S
Physiography
General Physiographic Area: Rocky Mountain System
Physiographic Province: Northern Rocky Mountains
Mineral Deposit Model
Not available
Orebody
Not available
Structure
Type: R
Description: Boulder Batholith
Alterations
Not available
Rocks
Name: Quartz Monzonite
Role: Associated
Age Type: Host 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: Associated Rock
Age Young: Late Cretaceous
Analytical Data
Analytical Data: 1.9%/TONZN
Analytical Data: 0.9%/TON PB
Analytical Data: 0.46OZ/TON AG
Analytical Data: 0.054OZ/TON AU
Materials
Ore: Galena
Ore: Chalcopyrite
Ore: Gold
Ore: Stibnite
Ore: Sphalerite
Gangue: Pyrite
Gangue: Quartz
Comments
Comment (Location): 3.2KM SE OF JEFFERSON CITY
Comment (Production): 8 PRODUCING YEARS
Comment (Workings): 2 SHAFTS 50-100FT DEEP ON VEIN, AN ADIT DRIFT ABOUT 750FT LONG ARE NOW ALL INACCESSIBLE. 1948 A 100FT ADIT WAS ADDED NEAR CR LEVEL BELOW OLD MAIN ADIT.
Comment (Geology): ORE HIGH IN ZN, SPHALERITE IS BLACK JACK VARIETY
References
Reference (Production): MBMG BULL 16, P. 113.
Reference (Deposit): MBMG BULL 10, P. 25.
Reference (Deposit): USGS PP 428, P. 82.
Reference (Deposit): USGS BULL 842, P. 241.
Reference (Deposit): MBMG BULL 16, P. 65-6, 113.
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.
