The Midnight Mine is a silver, gold, lead, and copper mine located in Jefferson county, Montana at an elevation of 6,201 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: 6,201 Feet (1,890 Meters)
Commodity: Silver, Gold, Lead, Copper
Lat, Long: 45.93, -112.02917
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.
Midnight Mine MRDS details
Site Name
Primary: Midnight Mine
Commodity
Primary: Silver
Primary: Gold
Primary: Lead
Primary: Copper
Tertiary: Zinc
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
Type: Underground
Ownership
Owner Name: H. R. Houghton
Home Office: Boulder, Mt.
Years: 1960 -
Owner Name: C. Weber, L.Stoddard
Home Office: Whitehall, Mt.
Years: 1966 -
Production
Not available
Deposit
Record Type: Site
Operation Category: Past Producer
Deposit Type: Vein
Operation Type: Unknown
Year First Production: 1917
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
Type: R
Description: West Bull Mtn Block
Type: L
Description: Fissures, North Trending Faults And Folds
Alterations
Alteration Type: L
Alteration Text: Oxidation
Rocks
Name: Shale
Role: Host
Age Type: Host Rock
Age Young: Neoproterozoic
Analytical Data
Not available
Materials
Ore: Sphalerite
Ore: Galena
Gangue: Pyrite
Comments
Comment (Deposit): VEIN WIDTH RANGES 6 INCHES TO 3 FT.
Comment (Workings): WORKINGS CONSIST OF AN EAST-TRENDING DRIFT AT LEAST 500 FT LONG, A WINZE ABOUT 75 FT DEEP, A SHAFT WHICH CUTS THE DRIFT, AND SEVERAL SMALL CROSSCUTS.
Comment (Production): 12 PRODUCTION YEARS
Comment (Geology): GEOL.DESC: FISSURE FILLING, 1/2 TO 3 FT WIDE
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., 1966, STRUCTURE AND MINERALIZATION OF THE WHITEHALL MINING DISTRICT,JEFFERSON CO., MONT: MT. SCHOOL OF MINES, M.S. THESIS, P. 76-77
Reference (Deposit): CONSV. DIV. COMP. DATE, 12-21-1961
Reference (Deposit): 1960 RECON MBMG BULLETIN 16
Reference (Deposit): 1960 RECON MONT. SCHOOL OF MINES, LINDQUIST, A.E., M.S.
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.
