The Twin Peaks Mine is a copper and lead mine located in Lemhi county, Idaho at an elevation of 5,840 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: 5,840 Feet (1,780 Meters)
Commodity: Copper, Lead
Lat, Long: 44.95417, -114.00556
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.
Twin Peaks Mine MRDS details
Site Name
Primary: Twin Peaks Mine
Secondary: Kapp
Secondary: Spair Time Mine
Secondary: Rattlesnake
Secondary: North Copper Group
Secondary: Spare Time Group
Secondary: Spare Tire
Secondary: Golden Copper
Commodity
Primary: Copper
Primary: Lead
Secondary: Gold
Secondary: Silver
Tertiary: Zinc
Location
State: Idaho
County: Lemhi
District: Unorganized District; Deer Creek Area
Land Status
Land ownership: BLM Administrative Area
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: Located Claim
Workings
Type: Underground
Ownership
Owner Name: Idaho Consolidated Mines
Percent: 100.0
Home Office: Idaho
Info Year: 1978
Production
Year: 1936
Time Period: 1935-1936
Material type: ORE
Description: Cp_Grade: ^14 % Cu
Year: 1929
Time Period: 1928-1929
Material type: ORE
Description: Cp_Grade: ^12 % Cu, 9 Oz Ag/T, $2.00 Au/T
Deposit
Record Type: Site
Operation Category: Past Producer
Operation Type: Underground
Discovery Year: 1927
Discovery Method: Ore-Mineral Not In Place
Years of Production:
Organization:
Significant: N
Deposit Size: S
Physiography
General Physiographic Area: Rocky Mountain System
Physiographic Province: Northern Rocky Mountains
Physiographic Detail: Lemhi Mountains
Mineral Deposit Model
Not available
Orebody
Form: BLEB, STRINGER, PODS
Structure
Not available
Alterations
Alteration Type: L
Alteration: Silicification
Alteration Type: L
Alteration: Chlorite
Alteration Type: L
Alteration: Oxidation
Rocks
Name: Quartzite
Role: Host
Age Type: Host Rock
Age Young: Neoproterozoic
Name: Quartzite
Role: Host
Age Type: Host Rock Unit
Age Young: Neoproterozoic
Analytical Data
Not available
Materials
Ore: Galena
Ore: Chalcopyrite
Ore: Malachite
Ore: Cuprite
Ore: Copper
Gangue: Biotite
Gangue: Chalcedony
Gangue: Tourmaline
Gangue: Hematite
Gangue: Pyrite
Gangue: Quartz
Comments
Comment (Development): 22 Unpatented Claims; 1954 100-Ton/Day Flotation Mill
Comment (Deposit): Discovery Year: 1927 CU; 1938 PB
Comment (Production): Property Worked Intermittently From 1938-1964.
Comment (Deposit): Mine Worked For Cu Prior To 1938, Then For Lead Until 1961 When Increased Copper Prices Warranted A Return To Copper Mining
Comment (Workings): Assessment Work Presently
Comment (Geology): Fractures Ave. Strike N 20 Deg E And Dip 37 - 73 Deg W
Comment (Geology): Original alteration entry: Local - Oxidation, Chlorite , Silicification
Comment (Geology): Original ore control entry: Fissures, Fractures
References
Reference (Deposit): Landreth, J. O., 1964, Geology Of The Rattlesnake Creek Area, Lemhi County, Idaho: Moscow, Idaho, Univ. Of Idaho M.S. Thesis, 49 P.
Reference (Deposit): Campbell, A., 1947, Forty-Eighth Annual Report Of The Mining Industry Of Idaho For The Year 1946.
Reference (Deposit): Idaho Dept. Of Labor And Industrial Services, 1975, First Annual Report, Addendum, 95 P.
Reference (Production): (Items 8 And 9) Landreth, J.O., 1964, Univ. Of Idaho Ms Thesis, P. 45; (Item 1) Campbell, A., 1947, 48th Annual Report, P. 241.
Reference (Deposit): Starr, R. B., 1955 Cornell University, Ms Thesis.
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.
