The Cook Prospect is a manganese mine located in Missoula county, Montana at an elevation of 5,000 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: 5,000 Feet (1,524 Meters)
Commodity: Manganese
Lat, Long: 46.7375, -113.60000
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.
Cook Prospect MRDS details
Site Name
Primary: Cook Prospect
Secondary: Arrowhead Lease
Commodity
Primary: Manganese
Secondary: Silver
Secondary: Gold
Location
State: Montana
County: Missoula
District: Garnet Range Area
Land Status
Not available
Holdings
Not available
Workings
Type: Unknown
Ownership
Owner Name: Pioneer Corp. Of Idaho
Owner Name: Anaconda Co.
Production
Year: 1956
Material type: ORE
Description: Ap_Grade: ^41 % Mn
Deposit
Record Type: Site
Operation Category: Past Producer
Deposit Type: Replacement
Operation Type: Unknown
Year First Production: 1917
Discovery Year: 1917
Discovery Method: Unknown
Years of Production:
Organization:
Significant: N
Deposit Size: S
Physiography
General Physiographic Area: Rocky Mountain System
Physiographic Province: Northern Rocky Mountains
Physiographic Detail: Garnet Range
Mineral Deposit Model
Not available
Orebody
Form: TABULAR-IRREGULAR
Structure
Type: R
Description: High Angle Reverse Fault Trending Nw And Dipping 50 Deg. Sw Separates Precambrian And Cambrian Rock.
Type: L
Description: High Angle Reverse Fault Is Sw Limit Of Ore
Alterations
Not available
Rocks
Name: Limestone
Role: Host
Age Type: Host Rock
Age Young: Late Cambrian
Analytical Data
Analytical Data: LODE MATERIAL 11 TO 30% MN, 3 TO 8% FE 1 TO 9% CAO TRACE AU & AG
Materials
Ore: Wad
Ore: Gold
Ore: Pyrolusite
Gangue: Chalcedony
Comments
Comment (Production): SMALL AMOUNTS SHIPPED 1917 & 1918.
Comment (Development): ECON.COM: ORE TREATED IN HEAVY-MEDIA SEPARATION PLANT AND JIG.
Comment (Location): ABOUT 1.0MI N OF BONITA. W SIDE OF CRAMER CR.
References
Reference (Deposit): MBMG BULL 8, P. 15, 32
Reference (Production): MBMG BULL 8.
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.
