Sweet Repose Prospect

Occurrence in Lemhi county in Idaho, United States with commodities Cobalt, Copper, Nickel
Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Public Land Survey System information
  6. Commodities
  7. Materials information
  8. Host and associated rocks
  9. Nearby scientific data
  10. Ore body information
  11. Controls for ore emplacement
  12. Economic information about the deposit and operations
  13. Mining district
  14. Mineral rights holdings
  15. Land status
  16. Ownership information
  17. Workings at the site
  18. Links to other databases
  19. Bibliographic references
  20. Reporter information

Geologic information

Identification information

Deposit ID 10067857
MRDS ID W000728
MAS/MILS ID 0160590056
Record type Site
Current site name Sweet Repose Prospect

Geographic coordinates

Geographic coordinates: -114.29903, 45.16629 (WGS84)
Elevation 1372
Relative position 20 MI. W. OF SALMON, IDAHO

Site location context

Political divisions (FIPS codes)

Lemhi(county)

Idaho(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Gant Mountain(quadrangle 1:24,000 scale)

Bighorn Crags(quadrangle 1:100,000 scale)

Elk City(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Middle Salmon-Panther(hydrologic unit)

Salmon(hydrologic accounting unit)

Lower Snake(hydrologic subregion)

Pacific Northwest(hydrologic region)

Federal lands

Salmon-Challis National Forest(National Forest)

National Forest FS(Type of land area)

FS(Federal land areas administered by FS)

Geographic areas

Country State County
United States Idaho Lemhi

Public Land Survey System information

Meridian Township Range Section Fraction State
Boise 021N 018E 12 Idaho

Comments on the location information

  • On Panther Creek

Commodities

Commodity Importance
Cobalt Critical Primary
Copper Primary
Nickel Critical Tertiary

Comments on the commodity information

  • 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.

Materials information

Materials Type of material
Chalcopyrite Ore
Cobaltite Ore
Erythrite Ore
Malachite Ore
Biotite Gangue
Pyrite Gangue
Quartz Gangue
Tourmaline Gangue

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Metasedimentary Rock > Quartzite
    Rock unit name Belt Supergroup
    Stratigraphic age (youngest) Neoproterozoic
    Stratigraphic age (youngest) Neoproterozoic
  • Host or associated Host
    Rock type Metamorphic Rock > Schist
    Rock unit name Belt Supergroup
    Rock description Belt Supergroup-Schist, Quartzite

Nearby scientific data

(1) Augen gneiss.

Economic information

Ore body information

  • General form BUNCHES, STRINGERS, SEAMS
    Strike N 64 DEG W
    Dip NE
    Length 60.96M
    Width 1.22M

Controls for ore emplacement

  • Metamorphosed Basic Dike

Comments on the geologic information

  • Geol.Desc: Narrow, Short High-Grade Cobaltite Vein Along Metamorphosed Basic Dike; Maximum Length Of Dike About 300 Ft.
  • A Basic Dike Occupies The Hanging Wall Of The Shear Zone.
  • Weak Cobaltite Mineralization Occurs In Small Quartz Stringers And Lenses For About 75 Feet Along A Three Foot Shear Zone In Quartzite.

Economic information about the deposit and operations

Operation type Surface
Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Blackbird

Mineral rights holdings

Type of mineral rights Located Claim

Land status

Ownership category National Forest
Area name Salmon National Forest

Ownership information

  • Type Owner-Operator
    Owner Burt W. Simmers
    Home office Idaho
    Year 1943
  • Type Owner-Operator
    Owner Esther S. and Ernest F. Waterman
    Home office Idaho
    Year 1943

Workings at the site

  • Type of workings Surface/Underground
    Length 48.77M

Comments on the workings information

  • Workings Are Very Small, 1 Adit And Several Prospect Pits.

Comments on development

  • 3 Unpatented Claims ; Econ.Com: Reserves Insignificant, No Economic Potential

Reference information

Bibliographic references

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUL-1972 Coury, Anny B. U.S. Geological Survey
Updater 01-SEP-1976 Duncan, Daniel G. (Miller, Pat) U.S. Geological Survey
Reporter 27-FEB-1984 Western Field Operations Center (WFOC) U.S. Bureau of Mines

Beyond USGS

Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.