The Bald Mountain Prospect is a copper mine located in Mineral county, Montana at an elevation of 5,200 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: 5,200 Feet (1,585 Meters)
Commodity: Copper
Lat, Long: 47.37306, -115.58694
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.
Bald Mountain Prospect MRDS details
Site Name
Primary: Bald Mountain Prospect
Commodity
Primary: Copper
Location
State: Montana
County: Mineral
District: (Unorganized)
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
Not available
Production
Not available
Deposit
Record Type: Site
Operation Category: Occurrence
Operation Type: Unknown
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: Bitterroot Mountains
Mineral Deposit Model
Not available
Orebody
Form: SPARSE
Structure
Type: R
Description: Large Scale Nw Trending Sill (Wishards) Which Intersects Adit And Is 350 Ft Thick At Mine Site.
Type: L
Description: Joints Which Generally Follow Bedding Planes
Alterations
Not available
Rocks
Name: Diorite
Role: Associated
Age Type: Associated Rock Unit
Age Young: Late Cambrian
Name: Diorite
Role: Associated
Age Type: Host Rock Unit
Age Young: Neoproterozoic
Name: Diorite
Role: Associated
Age Type: Host Rock
Age Young: Neoproterozoic
Analytical Data
Analytical Data: AN ASSAYED SPECIMEN CONTAINED 1.5 % CU, 0.02 OZ OF GOLD, AND 1.0 OZ OF SILVER PER TON.
Materials
Ore: Chalcopyrite
Comments
Comment (Location): AT THE HEAD OF DOMINION CREEK, A SHORT DISTANCE E OF THE IDAHO - MONT. BORDER.
Comment (Geology): COUNTRY ROCK STRIKES N 34 DEG W AND DIPS 55 DEG SW AND IS METAMORPHOSED FOR 200 FT OR MORE ON EITHER SIDE OF THE SILL. ALTHOUGH THERE EXISTS WITHIN THE AREA A SPATIAL RELATIONSHIP BETWEEN COPPER BEARING VEINS AND THE WISHARDS SILL, NO OTHER EVIDENCE EXISTS WHICH SUGGESTS A DIRECT GENETIC CONNECTION BETWEEN THE TWO
Comment (Deposit): VEIN CONTAINS SPARSELY DISSEMINATED CHALCOPYRITE IN A QUARTZ - SIDERITE GANGUE. IT DOES NOT PERSIST FOR A GREAT LENGTH.
Comment (Workings): WORKINGS CONSIST OF ONE ADIT 1500 FT LONG WITH A FEW HUNDRED FEET OF DRIFTS.
References
Reference (Deposit): CALKINS, F. C. AND JONES, E. L. JR., 1914 , ECONOMIC GEOLOGY OF THE REGION AROUND MULLAN, IDAHO AND, SALTESE, MONTANA: US GEOLOGICAL SURVEY BULL. 540 , P. 197 .
Reference (Deposit): WALLACE, R. E. AND HOSTERMAN, J. W., 1956 , RECONNAISANCE GEOLOGY OF WESTERN MINERAL COUNTY, MONTANA: US GEOLOGICAL SURVEY BULL. 1027-M, P. 607 .
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.
