The Glowworm and Greenhorn is a copper mine located in Beaverhead county, Montana at an elevation of 7,251 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: 7,251 Feet (2,210 Meters)
Commodity: Copper
Lat, Long: 45.42139, -112.80139
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.
Glowworm and Greenhorn MRDS details
Site Name
Primary: Glowworm and Greenhorn
Commodity
Primary: Copper
Secondary: Molybdenum
Secondary: Tungsten
Location
State: Montana
County: Beaverhead
District: Birch Creek (Utopia) 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
Not available
Ownership
Owner Name: E. Nelson, Et Al, Greenstone Exp. Dillon, Seattle Wa.
Years: 1960 -
Production
Not available
Deposit
Record Type: Site
Operation Category: Occurrence
Deposit Type: Contact Metasomatic
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: Pioneer Mountains
Mineral Deposit Model
Not available
Orebody
Not available
Structure
Not available
Alterations
Not available
Rocks
Name: Quartz Monzonite
Role: Associated
Age Type: Host Rock
Age Young: Pennsylvanian
Name: Quartz Monzonite
Role: Associated
Age Type: Host Rock Unit
Age Young: Pennsylvanian
Name: Quartz Monzonite
Role: Associated
Age Type: Associated Rock Unit
Age Young: Late Cretaceous
Name: Quartz Monzonite
Role: Associated
Age Type: Associated Rock
Age Young: Late Cretaceous
Analytical Data
Analytical Data: ASSAYS RANGE FROM TRACE TO 0.17% WO3, AND LESS THAN 0.02% MO.
Materials
Ore: Malachite
Ore: Molybdenite
Ore: Scheelite
Gangue: Calcite
Gangue: Gypsum
Gangue: Quartz
Comments
Comment (Deposit): TACTITE ZONE WAS FIRST EXPLORED FOR COPPER IN 1919. WIDTH OF TACTITE RANGES FROM 30 TO 140 FT.
Comment (Workings): EARLY WORKINGS CONSISTED OF SIX ADITS AND FOUR SHAFTS. IN 1952 AND 1953, 5 BULLDOZER TRENCHES AND SEVERAL PITS WERE DUG TO EXPLORE FOR TUNGSTEN MINERALS.
Comment (Location): ON NORTH FACE OF GREENSTONE MOUNTAIN.
References
Reference (Deposit): MBMG BULL 85, P. 88.
Reference (Deposit): USBM RI 5552, P. 16-18.
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.
