Colorado District

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

Name: Colorado District  

State:  Montana

County:  Jefferson

Elevation:

Primary Mineral: Lead, Gold, Silver

Lat, Long: 46.3667, -112.10420

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 Colorado District

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.


Colorized Mining Photos

Drumlummon Mine at Marysville, Montana late 1880s

Western Mining History's collection of colorized mining photos includes incredible scenes from Montana: Best Historical Photos: Colorized Mining Scenes.