The Montana Mine is a gold mine located in Custer county, Idaho at an elevation of 7,201 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: 7,201 Feet (2,195 Meters)
Commodity: Gold
Lat, Long: 44.4439, -114.70560
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.
Montana Mine MRDS details
Site Name
Primary: Montana Mine
Secondary: Old Montana
Secondary: Montana Group
Commodity
Primary: Gold
Secondary: Silver
Tertiary: Lead
Tertiary: Copper
Tertiary: Zinc
Location
State: Idaho
County: Custer
District: Yankee Fork 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
Not available
Production
Year: 1915
Material type: ORE
Description: Ap_Grade: ^8 - 23 Oz Au, 23 - 100 Oz Ag/Ton
Deposit
Record Type: Site
Operation Category: Past Producer
Operation Type: Underground
Year First Production: 1877
Discovery Year: 1877
Discovery Method: Unknown
Years of Production:
Organization:
Significant: N
Deposit Size: S
Physiography
General Physiographic Area: Rocky Mountain System
Physiographic Province: Northern Rocky Mountains
Physiographic Detail: Salmon River Mountains
Mineral Deposit Model
Not available
Orebody
Form: CHUTE , CHIMNEY-LIKE
Structure
Not available
Alterations
Alteration Type: L
Alteration Text: Hydrothermal Alteration
Rocks
Name: Tuff
Role: Associated
Age Type: Host Rock
Age Young: Oligocene
Name: Tuff
Role: Associated
Age Type: Associated Rock Unit
Age Young: Oligocene
Name: Tuff
Role: Associated
Age Type: Associated Rock
Age Young: Oligocene
Analytical Data
Analytical Data: ORE ASSAYED $2000 - 3500 AU/TON.
Materials
Ore: Chalcopyrite
Ore: Gold
Ore: Argentite
Ore: Sphalerite
Ore: Galena
Gangue: Pyrite
Gangue: Quartz
Gangue: Chalcedony
Comments
Comment (Location): S Slope Estes Mtn.
Comment (Production): Production Value $396,000 Total ; Production Above Intermittent: Production In 1877 - 1890'S, 1905 - 1907 , 1913 - 1917 ; Production Above Intermittent: Production In 1877 - 1890'S, 1905 - 1907 , 1913 - 1917 . Production Years: Late 1870'S - 1890'S, 1905 - 1907 , 1913 - 1917 .
Comment (Workings): 6 Tunnels and Levels
References
Reference (Deposit): 1913 Geolmap Umpleby, J. B., Bulletin 539
Reference (Deposit): 1949 Recon Idaho Bureau Of Mines And Geology Pamphlet 83
Reference (Production): Anderson, A. L., 1949, Idaho Bureau Of Mines And Geology Pamphlet 83; Item 2, Bell, R. N., 1935, Mining And Contracting Review, V. 33, No. 37
Reference (Deposit): Umpleby, J. B., 1913, Some Ore Deposits In Northwestern Custer County, Idaho: USGS Bulletin 539, 104 P.
Reference (Deposit): Anderson, A. L., 1949, Silver - Gold Deposits Of The Yankee Fork District, Custer County, Idaho: Idaho Bureau Of Mines And Geology Pamphlet 83, 37 P.
Reference (Deposit): Bell, R. N., 1935, The Gold Resources Of Idaho: Mining And Contracting Review, V. 33, No. 37, P. 6 - 7.
Reference (Deposit): Stiles, C. A., 1976 , Geology And Alteration Of The West Fork Mayfield Creek Area, Custer County, Idaho: Moscow, Idaho, Univ. Of Idaho M.S. Thesis, P. 103 - 106 .
Reference (Deposit): 5) Ross, C. P., 1927 , Ore Deposits In The Tertiary Lava In The Salmon River Mountains, Idaho: Idaho Bureau Of Mines And Geology Pamphlet 25 , 20 P.
Reference (Deposit): U.S. Bureau Of Mines Open-File Report MLA 6-91, 1991, Table A-3, No. 474, P. 218.
Idaho Gold
"Where to Find Gold in Idaho" looks at the density of modern placer mining claims along with historical gold mining locations and mining district descriptions to determine areas of high gold discovery potential in Idaho. Read more: Where to Find Gold in Idaho.
