The Helena Mine is a gold, silver, and copper mine located in Adams county, Idaho at an elevation of 5,801 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: 5,801 Feet (1,768 Meters)
Commodity: Gold, Silver, Copper
Lat, Long: 45.1247, -116.64080
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.
Helena Mine MRDS details
Site Name
Primary: Helena Mine
Commodity
Primary: Gold
Primary: Silver
Primary: Copper
Tertiary: Molybdenum
Tertiary: Tungsten
Location
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.
Holdings
Type: Patented
Type: Located Claim
Workings
Type: Surface/Underground
Ownership
Owner Name: C. W. Jones
Production
Year: 1949
Time Period: 1934 - 1949
Material type: ORE
Description: Cp_Grade: ^24 % Cu
Deposit
Record Type: Site
Operation Category: Past Producer
Deposit Type: Contact Metamorphic
Operation Type: Underground
Discovery Year: 1887
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: Seven Devils Mountains
Mineral Deposit Model
Not available
Orebody
Form: IRREGULAR, TABULAR, POCKETS, BUNCHES
Structure
Type: R
Description: Doubly Plunging Anticlinal Uplifts Separated By A Syncline.
Alterations
Alteration Type: L
Alteration Text: Oxidation, Sericitization
Rocks
Name: Diorite
Role: Associated
Age Type: Associated Rock
Age Young: Late Cretaceous
Name: Diorite
Role: Associated
Age Type: Host Rock
Age Young: Late Cretaceous
Analytical Data
Not available
Materials
Ore: Bornite
Ore: Scheelite
Ore: Powellite
Gangue: Quartz
Gangue: Pyroxene
Gangue: Scapolite
Gangue: Zoisite
Gangue: Albite
Gangue: Epidote
Comments
Comment (Production): Few Cars High Grade Ore Shipped In 1905 By C.W. Jones
Comment (Development): Mine Closed In 1949: No Further Ore In Sight.
Comment (Workings): 2 Tunnels: Lower One About 300 Ft. Long, Crosscuts, Several Drifts, And Some Surface Pits.
Comment (Deposit): Discovery Year: LATE 1880'S
References
Reference (Geology): Cannon, R.S. and Grimaldi, F.S, Lindgrenite and Cuprotungstite From the Seven Devils District, Idaho. (http://www.minsocam.org/ammin/AM38/AM38_903.pdf)
URL: http://www.minsocam.org/ammin/AM38/AM38_903.pdf
Reference (Deposit): Cook, E. F., 1954, Mining Geology Of The Seven Devils Region: Idaho Bureau Of Mines And Geology Pamphlet 97, 22 P.
Reference (Deposit): 1920 Compile Idaho Bureau Of Mines And Geology, Bulletin 1
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. 75 - 76
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 97, 22 P. Livingston, D.C., And Laney, F.B., 1920, Idaho Bur Mines And Geology Bulletin 1, P. 75.
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.
