The Copper Mtn Mine is a iron and copper mine located in Madison county, Montana at an elevation of 7,333 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: 7,333 Feet (2,235 Meters)
Commodity: Iron, Copper
Lat, Long: 45.42694, -112.04306
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.
Copper Mtn Mine MRDS details
Site Name
Primary: Copper Mtn Mine
Secondary: Dictator and Belle Union
Secondary: Ramshorn Mine
Commodity
Primary: Iron
Primary: Copper
Location
State: Montana
County: Madison
District: Sheridan (Ramshorn Creek) 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: F. And S Construct. Co.
Owner Name: Morrison - Knudsen Construct
Production
Not available
Deposit
Record Type: Site
Operation Category: Occurrence
Operation Type: Unknown
Discovery Year: 1925
Discovery Method: Ore-Mineral In Place
Years of Production:
Organization:
Significant: N
Deposit Size: M
Physiography
General Physiographic Area: Rocky Mountain System
Physiographic Province: Northern Rocky Mountains
Physiographic Detail: Tobacco Root Mountains
Mineral Deposit Model
Not available
Orebody
Form: TABULAR
Structure
Type: L
Description: Some Nw (?) Faults Displace Bed At North End Of Deposit
Alterations
Alteration Type: L
Alteration Text: Minor Kaolinitization & Sericitization (?)
Rocks
Name: Iron Formation
Role: Host
Age Type: Host Rock
Age Young: Neoarchean
Name: Iron Formation
Role: Host
Age Type: Host Rock Unit
Age Young: Neoarchean
Analytical Data
Not available
Materials
Ore: Magnetite
Ore: Bornite
Ore: Chrysocolla
Ore: Malachite
Ore: Chalcocite
Ore: Copper
Gangue: Pyrite
Gangue: Quartz
Gangue: Garnet
Comments
Comment (Workings): OPEN PIT, 60 TO 100 X 100 X 10 FT, SEVERAL TRENCHES AND PITS, ONE 300 FT ADIT.
Comment (Geology): MAGNETITE, HEMATITE, AND LIMONITE COMPRISE THE ESSENTIAL FE MINERALS IN THE DEPOSIT. THE IRON HORIZON IS ON A STEEPLY EAST - DIPPING LIMB OF A DEEP SYNFORM
Comment (Deposit): Discovery Year: 1920'S
Comment (Commodity): 25 TO 30 PERCENT FE
Comment (Location): INFO FROM LAND.ST :(1978)
Comment (Reserve-Resource): THE PROPERTY WAS MAPPED AND CORE DRILLED BY F & S CONSTRUCTION CO. (NOW DEFUNCT)
Comment (Development): CU DISCOVERED IN 1920'S, FE IN 1957. LOCAL PROSPECT OR CLAIMED 50 ST CU ORE WERE SHIPPED IN WW2.
Comment (Deposit): CU DEPOSIT IS ALONG SCHIST/QUARTZITE CONTACT. FE DEPOSIT EXTENDS AT LEAST 1 MI.
References
Reference (Deposit): 1961 GEOLMAP H. L. JAMES & K. L. WEIR, GEOL. MAP (OPENFILE)
Reference (Deposit): 1967 COMPILE CARR GUILD & WRIGHT, PUBLISHED REPORT
Reference (Deposit): 1969 COMPILE MBMG, SUMMARY REPORT, UNPUBLISHED
Reference (Deposit): LEVANDOWSKI, D.W., 1956, GEOL OF SHERIDAN-ALDER AREAU OF MICH. PHD
Reference (Deposit): JAMES, H.L., AND WEIN, K.L., 1961, IRON DEPOSITS NEAR COPPER MOUNTAIN, MADISON COUNTY, MONTANA: U.S. GEOLOGICAL SURVEY OPEN-FILE REPORT.
Reference (Deposit): CARR, M.S., GUILD, P.W., & WRIGHT, W.B., 1967 , IRON IN THE UNITED STATES: USGS M.R. 51 WITH SECTION ON PREC IRON FORMATIONS IN U. S. BY BAYLEY R. W. & JAMES, H. L.
Reference (Deposit): BAYLEY, R. W., AND JAMES H. L., 1973 , PRECAMBRIAN IRON FORMATIONS OF THE U. S., ECON. GEOL. V. 68 , NO. 7
Reference (Deposit): MONTANA BUREAU OF MINES AND GEOLOGY, 1969, SUMMARY OF INFORMATION ON IRON ORE, BITUMINOUS COAL, FLUORITE, AND CHROMITE: MONTANA BUREAU OF MINES AND GEOLOGY UNPUBLISHED SUMMARY.
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.
