Sweet Repose Prospect

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

Name: Sweet Repose Prospect  

State:  Idaho

County:  Lemhi

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.


Satelite image of the Sweet Repose Prospect

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.


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