The North Star Prospect is a copper and silver mine located in Granite county, Montana at an elevation of 5,600 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: 5,600 Feet (1,707 Meters)
Commodity: Copper, Silver
Lat, Long: 46.33694, -113.28611
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.
North Star Prospect MRDS details
Site Name
Primary: North Star Prospect
Commodity
Primary: Copper
Primary: Silver
Tertiary: Tungsten
Tertiary: Molybdenum
Location
State: Montana
County: Granite
District: Philipsburg (Granite-Flint Creek) District
Land Status
Not available
Holdings
Not available
Workings
Type: Surface/Underground
Ownership
Owner Name: Flynn, William F.
Home Office: Anaconda, Mt.
Production
Not available
Deposit
Record Type: Site
Operation Category: Past Producer
Operation Type: Unknown
Years of Production:
Organization:
Significant: N
Deposit Size: S
Physiography
General Physiographic Area: Rocky Mountain System
Physiographic Province: Northern Rocky Mountains
Physiographic Detail: Flint Creek Range
Mineral Deposit Model
Not available
Orebody
Form: PODS
Structure
Type: R
Description: Philipsburg Batholith
Type: L
Description: Philipsburg Anticline, Philipsburg Overthrust
Alterations
Not available
Rocks
Name: Diorite
Role: Associated
Age Type: Associated Rock Unit
Age Young: Late Cretaceous
Name: Diorite
Role: Associated
Age Type: Associated Rock
Age Young: Late Cretaceous
Name: Diorite
Role: Associated
Age Type: Host Rock
Age Young: Late Devonian
Name: Diorite
Role: Associated
Age Type: Host Rock Unit
Age Young: Late Devonian
Analytical Data
Analytical Data: ASSAY 25 FT CHIP-0.19% W, 0.26% MO, 25 FT GRAB 0.42% W, 0.02% MO;
Materials
Ore: Gold
Ore: Scheelite
Ore: Powellite
Gangue: Quartz
Comments
Comment (Production): 43 TONS ORE: 4-7% CU, 1.7 OZ/TON AG
Comment (Deposit): W MINERALIZATION IN SCATTERED POINTS OVER AN AREA 300 FT BY 600 FT
Comment (Workings): ADITS, 2 CAVED SHAFTS, BULLDOZER TRENCH ON ADIT 1 (75 FT)
References
Reference (Deposit): USBM REP INVES 5612, P.21-24.
Reference (Deposit): CONSV DIV COMP, DATE 10-07-1968.
Reference (Production): USBM REP INVES 5612.
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.
