The Twilight Mine is a gold mine located in Deer Lodge 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
Lat, Long: 46.2175, -113.24528
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.
Twilight Mine MRDS details
Site Name
Primary: Twilight Mine
Commodity
Primary: Gold
Secondary: Iron
Location
State: Montana
County: Deer Lodge
District: Georgetown (Southern Cross, Cable) District
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
Owner Name: Paul A. Fusz And John R. Lucas
Home Office: Philipsburg, 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: IRREGULAR
Structure
Type: R
Description: Philipsburg Batholith
Type: L
Description: Cable Stock
Alterations
Alteration Type: L
Alteration Text: Pyritization, Oxidation
Rocks
Name: Diorite
Role: Associated
Age Type: Associated Rock
Age Young: Late Cretaceous
Name: Diorite
Role: Associated
Age Type: Host Rock Unit
Age Young: Late Cambrian
Name: Diorite
Role: Associated
Age Type: Host Rock
Age Young: Late Cambrian
Analytical Data
Not available
Materials
Ore: Gold
Ore: Hematite
Ore: Limonite
Ore: Iron
Gangue: Quartz
Gangue: Pyrite
Comments
Comment (Geology): NODULAR MASSES OF LIMONITE WITH PYRITE AT CENTER
Comment (Location): WEST SLOPE OF CABLE MT, 3500 FT N 35 E OF SOUTHERN CROSS MINE. ; INFO FROM LAND.ST :(1971)
Comment (Production): SEVERAL $1000 IN AU FROM A THOUSAND TONS OF ORE.
Comment (Deposit): DIP FROM 60-85S, CALCITE VEINLETS CUT LODE AT LARGE ANGLES, ORIGINAL ORE WAS A SILICEOUS PYRITIC REPLACEMENT OF COUNTRY ROCK.
Comment (Workings): TUNNEL, WINZE, DRIFTS, EAST END A SHAFT CONNECTS WITH THE SURFACE CROSSCUT TUNNEL INTERSECTS THE LODE 125 FT FROM PORTAL AND THEN FOLLOWS THE LODE E FOR 400 FT. 100 FT WINZE IS SUNK ON THE VEIN 380 FT FROM THE PORTAL, DRIFTS ARE RUN FROM IT MIDWAY OF ITS DEPTH AND AT THE BOTTOM.
References
Reference (Deposit): MONT. BUREAU OF MINES & GEOL. INF. CIRC. 13, 1956, PL. 4
Reference (Deposit): USGS PP 78, P. 235.
Reference (Production): CALKINS, AND EMMON 1913 USGS PROF. PAPER 78
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.
