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  3. Mineral Resource Data System (MRDS)

Black Angus Prospect

Occurrence in Lemhi county in Idaho, United States with commodity Iron
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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. Alteration
  9. Host and associated rocks
  10. Nearby scientific data
  11. Geologic structures
  12. Ore body information
  13. Controls for ore emplacement
  14. Economic information about the deposit and operations
  15. Mining district
  16. Land status
  17. Links to other databases
  18. Bibliographic references
  19. Reporter information

Geologic information

Identification information

Deposit ID 10071987
MRDS ID W015788
Record type Site
Current site name Black Angus Prospect
Related records 10216567

Geographic coordinates

Geographic coordinates: -113.96371, 44.83179 (WGS84)
Elevation 1890
Relative position 17.25 MI W OF LEMHI

Site location context

Political divisions (FIPS codes)

Lemhi(county)

Idaho(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Allison Creek(quadrangle 1:24,000 scale)

Leadore(quadrangle 1:100,000 scale)

Dubois(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

Bureau of Land Management(Bureau of Land Management ID)

Bureau of Land Management ID BLM(Type of land area)

BLM(Federal land areas administered by BLM)

Geographic areas

Country State County
United States Idaho Lemhi

Public Land Survey System information

Meridian Township Range Section Fraction State
Boise 017N;018N 021E;021E 03;35 Idaho

Comments on the location information

  • .5 MI & 1500 FT ABOVE US 93. REACHED BY ROAD ALONG MCKIM CR., 5.2 ROAD MI FROM CREEK MOUTH

Commodities

Commodity Importance
Iron Tertiary

Materials information

Materials Type of material
Magnetite Ore
Quartz Gangue

Alteration

  • (Local) Silicification, Chloritization And Albitization

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Metasedimentary Rock > Quartzite
    Rock unit name Lemhi Quartzite-Phyllitic Quartzite
    Rock description Lemhi Quartzite-Phyllitic Quartzite
    Stratigraphic age (youngest) Neoproterozoic
    Stratigraphic age (youngest) Neoproterozoic

Nearby scientific data

(1) -113.96371, 44.83179
ListMap

Economic information

Geologic structures

Type of structure Local
Structure description Anticline, Brecciation, Schistosity

Ore body information

  • Strike N 65 DEG E
    Dip 58 DEG N

Controls for ore emplacement

  • En Echelon Fractures Which Trend N 60-70 Deg E

Comments on the geologic information

  • QUARTZITE BEDDING STRIKES N 30 DEG E AND DIPS 20-30 DEG NE ON WEST LIMB OF ANTICLINE, STRIKES N 50 DEG E AND DIPS 15-20 DEG SE ON EAST LIMB; ANTICLINE POSSIBLY A SMALL FOLD IN LEESBURG SYNCLINORIUM

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No
Discoverer Cleghorn, Rasmussen, Pincock, Ward

Mining district

District name Mckim Creek Area

Land status

Ownership category BLM Administrative Area

Comments on the workings information

  • DOZER CUTS AND DRILL HOLES

Comments on development

  • ECON.COM: SOREGAROLI SAYS FUTURE IS PROMISING BUT DEPENDENT UPON NEW GEOLOGIC INFORMATION

Reference information

Bibliographic references

  • Deposit

    SOREGAROLI, A. E., 1961, GEOLOGY OF THE MCKIM CREEK AREA, LEMHI COUNTY, IDAHO: MOSCOW, IDAHO, UNIV. OF IDAHO, M.S. THESIS, P. 42 - 47

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUL-1976 Siefken, Robert R. (Miller, Pat) U.S. Geological Survey

Beyond USGS

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

Maps centered on this site