Arkansas Mine

The Arkansas Mine is a copper mine located in Adams county, Idaho at an elevation of 4,101 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

Name: Arkansas Mine  

State:  Idaho

County:  Adams

Elevation: 4,101 Feet (1,250 Meters)

Primary Mineral: Copper

Lat, Long: 45.1244, -116.63170

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.

Satelite image of the Arkansas Mine

Arkansas Mine MRDS details

Site Name

Primary: Arkansas Mine
Secondary: Arkansaw-Decorah
Secondary: Decorah
Secondary: Marguerite


Primary: Copper
Tertiary: Gold
Tertiary: Silver
Tertiary: Lead


State: Idaho
County: Adams
District: Seven Devils 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.


Type: Patented


Type: Surface/Underground


Owner Name: Arkansas Leasing Corp.


Year: 1947
Time Period: 1937-1947
Material type: ORE
Description: Cp_Grade: ^9% Cu


Record Type: Site
Operation Category: Past Producer
Operation Type: Underground
Discovery Year: 1887
Discovery Method: Unknown
Years of Production:
Significant: N
Deposit Size: S


General Physiographic Area: Rocky Mountain System
Physiographic Province: Northern Rocky Mountains
Physiographic Detail: Seven Devils Mountains

Mineral Deposit Model

Not available




Not available


Alteration Type: L
Alteration Text: Oxidation


Name: Diorite
Role: Associated
Age Type: Host Rock
Age Young: Late Cretaceous

Name: Diorite
Role: Associated
Age Type: Associated Rock
Age Young: Late Cretaceous

Analytical Data

Analytical Data: MUCH OF ORE WAS 5 - 7% CU.


Ore: Bornite
Ore: Malachite
Ore: Chalcopyrite
Ore: Cuprite
Ore: Chalcocite
Ore: Chrysocolla
Ore: Covellite
Gangue: Quartz
Gangue: Hornblende
Gangue: Zoisite
Gangue: Calcite
Gangue: Epidote
Gangue: Garnet
Gangue: Tremolite


Comment (Deposit): Discovery Year: LATE 1880'S

Comment (Location): Previous Quad Designation = Baker 1:250000

Comment (Production): Several Thousand Tons Ore Shipped 1900-1901

Comment (Deposit): Some Low-Grade Ore Remains In Sight ( 1953 )


Reference (Deposit): Cook, E. F., 1954, Mining Geology Of The Seven Devils Region: Idaho Bureau Of Mines And Geology Pamphlet No. 97, 20 P.

Reference (Deposit): Livingston, D. C., And Laney, F. B., 1920, The Copper Deposits Of The Seven Devils And Adjacent Districts: Idaho Bureau Of Mines And Geology Bulletin 1, P. 71

Reference (Deposit): 1920 Recon Idaho Bureau Of Mines And Geol., Bulletin 1.

Reference (Deposit): 1954 Geolmap Idaho Bureau Of Mines And Geol., Pamphlet 97

Reference (Production): Cook, E. F., 1954, Idaho Bureau Of Mines And Geol. Pamphlet No. 97, 22 P. Livingston, D.C., And Laney, F.B., 1920, Idaho Bur Mines And Geology Bull 1, P. 69.

Reference (Reserve-Resource): Livingston, D. C., And Laney, F. B., 1920 , Idaho Bureau Of Mines And Geology Bulletin 1 , P. 71.

Idaho Gold

Where to Find Gold in Idaho

"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 at Where to Find Gold in Idaho.