The Trigger Mine is a tungsten mine located in Deer Lodge county, Montana at an elevation of 6,440 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: 6,440 Feet (1,963 Meters)
Commodity: Tungsten
Lat, Long: 46.16111, -113.23000
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.
Trigger Mine MRDS details
Site Name
Primary: Trigger Mine
Commodity
Primary: Tungsten
Location
State: Montana
County: Deer Lodge
District: Silver Lake 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: Surface/Underground
Ownership
Owner Name: Silver Hill Tungsten Min.
Owner Name: Silver Hill Tungsten Min.
Home Office: C/O John Meldy, 301 E.8th Ave. Anaconda, MT
Production
Not available
Deposit
Record Type: Site
Operation Category: Past Producer
Operation Type: Unknown
Year Last Production: 1958
Years of Production:
Organization:
Significant: N
Deposit Size: S
Physiography
General Physiographic Area: Rocky Mountain System
Physiographic Province: Northern Rocky Mountains
Physiographic Detail: Anaconda Range
Mineral Deposit Model
Not available
Orebody
Form: PIPES AND LENSES
Structure
Type: R
Description: Philipsburg Batholith
Type: L
Description: Several Small Granodiorite Outliers From The Philipsburg Batholith. Cable Stock Cable Stock
Alterations
Not available
Rocks
Name: Marble
Role: Host
Age Type: Host Rock
Age Young: Late Devonian
Name: Marble
Role: Host
Age Type: Host Rock Unit
Age Young: Late Devonian
Analytical Data
Analytical Data: 0.05 TO 10% WO3, AVERAGE GRADE IS 1% WO3.
Materials
Ore: Scheelite
Comments
Comment (Deposit): ORE BODIES ARE REPLACEMENT DEPOSITS. SCHEELITE IS PRESENT AS VERY PURE CRYSTALS IN SHEARED AND FRACTURED ZONES WITH MINOR AMOUNTS ALONG BEDDING PLANES. LARGEST LENS IS EXPOSED FOR A STRIKE LENGTH OF 400 FT. TO THE S THE ORE APPEAR TO BE CUT OFF BY A FAULT.
Comment (Workings): MINE DEVELOPED BY THREE ADITS AND SEVERAL BULLDOZER CUTS; 19 DIAMOND DRILL HOLES TOTALLING 1148 M.
Comment (Commodity): BENIFICIATION TEST OF A HEAD SAMPLE CONTAINING 1.8% WO3 RESULTED IN: GRAVITY CONCENTRATE 57% WO3 WITH A RECOVERY OF 87.4%, AN ADDITIONAL 7.7% WAS RECOVERED BY FLOTATION CONTAINING 17.3% WO3.
Comment (Location): LOCATION OF LOWER ADIT ; INFO FROM LAND.ST :(1971)
References
Reference (Deposit): USGS PP 78.
Reference (Deposit): USBM REP INVES 5612, P. 2, 27-32.
Reference (Deposit): MBMG BULL 10, P. 16.
Reference (Deposit): USGS-USBM MINERAL YEARBOOKS, 1956.
Reference (Deposit): 1906 GEOLMAP EMMONS AND CALKINS
Reference (Deposit): 1958 GEOLMAP USBM WALKER
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.
