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
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.
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
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.