Richmond Group

The Richmond Group is a copper, gold, and silver mine located in Madison county, Montana at an elevation of 6,801 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: Richmond Group

State:  Montana

County:  Madison

Elevation: 6,801 Feet (2,073 Meters)

Commodity: Copper, Gold, Silver

Lat, Long: 45.58194, -112.19500

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 Richmond Group

Richmond Group MRDS details

Site Name

Primary: Richmond Group
Secondary: Eagle
Secondary: Hummingbird
Secondary: Adits No. 4-9.


Commodity

Primary: Copper
Primary: Gold
Primary: Silver
Secondary: Lead
Secondary: Zinc


Location

State: Montana
County: Madison
District: Tidal Wave District


Land Status

Land ownership: National Forest
Note: the land ownership field only identifies whether the area the mine is in is generally on public lands like Forest Service or BLM land, or if it is in an area that is generally private property. It does not definitively identify property status, nor does it indicate claim status or whether an area is open to prospecting. Always respect private property.


Holdings

Not available


Workings

Type: Underground


Ownership

Owner Name: J. Richmond, A. Jacobs, B. Payne,
Years: 1942 -


Production

Not available


Deposit

Record Type: Site
Operation Category: Producer
Deposit Type: Vein
Operation Type: Unknown
Discovery Year: 1900
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

Not available


Structure

Type: L
Description: Ne To Nw Trending Normal And Reverse Faults.


Alterations

Alteration Type: L
Alteration Text: Oxidation, Gouge, Brecciation


Rocks

Name: Meta-Basalt
Role: Associated
Age Type: Associated Rock
Age Young: Late Cretaceous

Name: Meta-Basalt
Role: Associated
Age Type: Host Rock
Age Young: Late Cambrian


Analytical Data

Analytical Data: JOHNS LISTS 24 SAMPLE ASSAYS FROM 5 MINES IN THE GROUP. (1961, P. 47-50)


Materials

Gangue: Quartz


Comments

Comment (Deposit): VEINS TREND FROM NORTH TO N70E. THE EAGLE (N30E, 30N) AND HUMMINGBIRD (N60E, 20N) WERE MOST PRODUCTIVE.

Comment (Workings): 6 ADITS, ADIT AND SHAFT IN HUMMINGBIRD MINE.


References

Reference (Deposit): MBMG BULL 24, P. 29-32


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.