The Colorado District is a lead, gold, and silver 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.
Colorado District MRDS details
Site Name
Primary: Colorado District
Secondary: Corbin -Wickes District
Secondary: Gregory District
Commodity
Primary: Lead
Primary: Gold
Primary: Silver
Secondary: Zinc
Secondary: Copper
Secondary: Uranium
Tertiary: Arsenic
Tertiary: Antimony
Location
State: Montana
County: Jefferson
District: GREGORY DISTRICT
Land Status
Not available
Holdings
Not available
Workings
Not available
Ownership
Not available
Production
Not available
Deposit
Record Type: District
Operation Category: Past Producer
Deposit Type: FISSURE-REPLACEMENT VEIN, SHEAR ZONE, PLACER
Operation Type: Unknown
Year First Production: 1864
Discovery Year: 1864
Years of Production:
Organization:
Significant:
Physiography
Not available
Mineral Deposit Model
Not available
Orebody
Not available
Structure
Type: R
Description: BOULDER BATHOLITH; STRUCTURALLY COMPLEX WITH A POSSIBLE ROOF REMNANT COLLAPSE.
Type: L
Description: BLUEBIRD-MOUNT WASHINGTON SHEAR ZONE
Alterations
Alteration Type: L
Alteration: TOURMALINIZATION
Alteration Text: TOURMALINIZATION
Alteration Type: L
Alteration: SERICITIZATION
Alteration Text: SERITIZATION
Rocks
Not available
Analytical Data
Not available
Materials
Not available
Comments
Not available
References
Reference (Deposit): PARDEE, J. T. AND F. C. SCHRADER, 1933, METALLIFEROUS DEPOSITS OF THE GREATER HELENA MINING REGION, MONTANA, USGS BULL. 842: 232-246
Reference (Deposit): KNOPF, A., 1913, ORE DEPOSITS OF THE HELENA REGION, MONTANA. USGS BULL. 527 P. 107-120.
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.
