The Sweet Repose Prospect is a copper and cobalt mine located in Lemhi county, Idaho at an elevation of 4,501 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: 4,501 Feet (1,372 Meters)
Commodity: Copper, Cobalt
Lat, Long: 45.1664, -114.29810
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.
Sweet Repose Prospect MRDS details
Site Name
Primary: Sweet Repose Prospect
Commodity
Primary: Copper
Primary: Cobalt
Tertiary: Nickel
Location
State: Idaho
County: Lemhi
District: Blackbird
Land Status
Land ownership: National Forest
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.
Administrative Organization: Salmon National Forest
Holdings
Type: Located Claim
Workings
Type: Surface/Underground
Ownership
Owner Name: Esther S. and Ernest F. Waterman
Home Office: Idaho
Info Year: 1943
Owner Name: Burt W. Simmers
Home Office: Idaho
Info Year: 1943
Production
Not available
Deposit
Record Type: Site
Operation Category: Occurrence
Operation Type: Surface
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: BUNCHES, STRINGERS, SEAMS
Structure
Not available
Alterations
Not available
Rocks
Name: Quartzite
Role: Host
Age Type: Host Rock Unit
Age Young: Neoproterozoic
Name: Quartzite
Role: Host
Age Type: Host Rock
Age Young: Neoproterozoic
Analytical Data
Not available
Materials
Ore: Cobaltite
Ore: Erythrite
Ore: Chalcopyrite
Ore: Malachite
Gangue: Tourmaline
Gangue: Pyrite
Gangue: Biotite
Gangue: Quartz
Comments
Comment (Location): On Panther Creek
Comment (Development): 3 Unpatented Claims ; Econ.Com: Reserves Insignificant, No Economic Potential
Comment (Workings): Workings Are Very Small, 1 Adit And Several Prospect Pits.
Comment (Geology): Geol.Desc: Narrow, Short High-Grade Cobaltite Vein Along Metamorphosed Basic Dike; Maximum Length Of Dike About 300 Ft.
Comment (Commodity): A Sample Across 3.5 Feet Of Decomposed Dike And Quartz Stringers In The Discovery Pit Assayed 0.79 Percent Cobalt, And 0.11 Percent Copper. Single Determinations.
Comment (Geology): A Basic Dike Occupies The Hanging Wall Of The Shear Zone.
Comment (Geology): Weak Cobaltite Mineralization Occurs In Small Quartz Stringers And Lenses For About 75 Feet Along A Three Foot Shear Zone In Quartzite.
References
Reference (Deposit): Umpleby, J.B., 1913, Geology And Ore Deposits Of Lemhi County, Idaho: USGS Bulletin 528, 182 P.
Reference (Deposit): Anderson, A.L., 1943, Preliminary Report On The Cobalt Deposits In The Blackbird District, Lemhi County, Idaho: Idaho Bureau Of Mines And Geology Pamphlet 61, 34 P.
Reference (Deposit): Canney, F.C., 1953, Preliminary Report Of Geochemical Investigations In The Blackbird District, Idaho: USGS Open-File Rept.
Reference (Deposit): Shockey, P.N., 1957, Reconnaissance Geology Of The Leesburg Quadrangle, Lemhi County, Idaho: Idaho Bureau Of Mines And Geology Pamphlet 113, 42 P.
Reference (Deposit): Vhay, J.S., 1948, Cobalt-Copper Deposits In The Blackbird District, Lemhi County, Idaho: USGS Strategic Minerals Inv. Prelim. Rept. 3-219.
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.
