Dullea Prospect

The Dullea Prospect is a gold and silver mine located in Madison county, Montana at an elevation of 7,201 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: Dullea Prospect  

State:  Montana

County:  Madison

Elevation: 7,201 Feet (2,195 Meters)

Commodity: Gold, Silver

Lat, Long: 45.53806, -112.18083

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 Dullea Prospect

Dullea Prospect MRDS details

Site Name

Primary: Dullea Prospect


Commodity

Primary: Gold
Primary: Silver
Tertiary: Copper
Tertiary: Lead
Tertiary: Zinc


Location

State: Montana
County: Madison
District: Tidal Wave District


Land Status

Land ownership: Private
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

Not available


Ownership

Not available


Production

Not available


Deposit

Record Type: Site
Operation Category: Past Producer
Deposit Type: Vein
Operation Type: Unknown
Discovery Year: 1907
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: R
Description: N30 Trending Faults And Veins.


Alterations

Alteration Type: L
Alteration Text: Brecciation


Rocks

Name: Gneiss
Role: Host
Age Type: Host Rock
Age Young: Neoarchean

Name: Gneiss
Role: Host
Age Type: Host Rock Unit
Age Young: Neoarchean


Analytical Data

Analytical Data: TWO SAMPLE ASSAYS APPEAR IN BULLETIN 24, P. 49.


Materials

Ore: Chalcopyrite
Ore: Sphalerite
Gangue: Quartz
Gangue: Magnetite


Comments

Comment (Location): WEST OF BEND IN ROAD IN CENTER BORDER OF SECTIONS 35 AND 26.

Comment (Deposit): N20E TRENDING BRECCIATED QUARTZ VEIN VARIES FROM 2 TO 3 FT. WIDE. TWO PARALLEL GALENA VEINS ON THE INTERMEDIATE LEVEL TREND N20-45E, 15-25W, AND ARE 2 IN. AND 1.5 FT. WIDE RESPECTIVELY.

Comment (Workings): SEVERAL CAVED ADITS, ONE ACCESSABLE ADIT AND AN INTERMEDIATE LEVEL.


References

Reference (Deposit): MBMG BULL 24, P. 42.

Reference (Deposit): CONSV. DIV. COMP. DATE, 01-03-1962

Reference (Deposit): 1961 GEOLMAP MBMG BULL. 24


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.