The Gem Mine is a copper, lead, zinc, silver, and gold mine located in Jefferson county, Montana at an elevation of 5,640 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: 5,640 Feet (1,719 Meters)
Commodity: Copper, Lead, Zinc, Silver, Gold
Lat, Long: 45.92306, -112.04250
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.
Gem Mine MRDS details
Site Name
Primary: Gem Mine
Commodity
Primary: Copper
Primary: Lead
Primary: Zinc
Primary: Silver
Primary: Gold
Location
State: Montana
County: Jefferson
District: Whitehall (Cardwell) District
Land Status
Land ownership: Private
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: Westfall And Weber
Home Office: Whitehall, Mt.
Years: 1950 -
Production
Not available
Deposit
Record Type: Site
Operation Category: Past Producer
Deposit Type: Vein
Operation Type: Unknown
Year First Production: 1947
Years of Production:
Organization:
Significant: N
Deposit Size: S
Physiography
General Physiographic Area: Rocky Mountain System
Physiographic Province: Northern Rocky Mountains
Physiographic Detail: Bull Mountain
Mineral Deposit Model
Not available
Orebody
Not available
Structure
Not available
Alterations
Alteration Type: L
Alteration Text: Oxidation
Rocks
Name: Shale
Role: Host
Age Type: Host Rock
Age Young: Neoproterozoic
Name: Shale
Role: Host
Age Type: Host Rock Unit
Age Young: Neoproterozoic
Analytical Data
Not available
Materials
Ore: Lead
Comments
Comment (Deposit): THE VEIN CONSISTS OF IRON OXIDES.
Comment (Workings): ONE CAVED SHAFT AND CAVED ADIT. (1966)
References
Reference (Deposit): MBMG BULL 16.
Reference (Deposit): ALEXANDER, R.G., 1955, GEOLOGY OF THE WHITEHALL AREA, MONTANA YELLOWSTONE-BIGHORN RESEARCH PROJECT, CONTRIBUTION 195, 111 P.
Reference (Deposit): LINDQUIST, A.E., STRUCTURE AND MINERALIZATION OF THE WHITEHALL DISTRICT, JEFFERSON CO., MT: MT. SCHOOL OF MINES, M.S. THESIS, 1966, P. 79.
Reference (Deposit): CONSV. DIV. COMP. DATE, 11-30-1961
Reference (Deposit): 1960 COMPILE MBMG BULL 1
Reference (Production): MBMG BULLETIN 16
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.
