Black Horse Prospect

Occurrence in Owyhee county in Idaho, United States with commodity Antimony
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. Ore body information
  12. Controls for ore emplacement
  13. Economic information about the deposit and operations
  14. Mining district
  15. Land status
  16. Links to other databases
  17. Bibliographic references
  18. General comments
  19. Reporter information

Geologic information

Identification information

Deposit ID 10069889
MRDS ID W007647
Record type Site
Current site name Black Horse Prospect
Related records 10232242

Geographic coordinates

Geographic coordinates: -116.68037, 43.10988 (WGS84)
Elevation 1646
Relative position 7 MI NNE OF SILVER CITY

Site location context

Political divisions (FIPS codes)

Owyhee(county)

Idaho(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Silver City(quadrangle 1:24,000 scale)

Murphy(quadrangle 1:100,000 scale)

Boise(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Middle Snake-Succor(hydrologic unit)

Middle Snake-Boise(hydrologic accounting unit)

Middle Snake(hydrologic subregion)

Pacific Northwest(hydrologic region)

Geographic areas

Country State County
United States Idaho Owyhee

Public Land Survey System information

Meridian Township Range Section Fraction State
Boise 004S 003W 03 Idaho

Commodities

Commodity Importance
Antimony Critical Tertiary

Materials information

Materials Type of material
Stibnite Ore
Muscovite Gangue
Quartz Gangue

Alteration

  • (Local) Silicification; Kaolinization

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite
    Rock unit name Silver City Granite-Granodiorite;Welded Tuff-Tuff
    Rock description Silver City Granite-Granodiorite;Welded Tuff-Tuff
    Stratigraphic age (youngest) Late Cretaceous
    Stratigraphic age (youngest) Late Cretaceous
  • Host or associated Host
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite

Nearby scientific data

(1) -116.68037, 43.10988

Economic information

Ore body information

  • General form IRREGULAR
    Length 152.4M
    Width 60.96M

Controls for ore emplacement

  • Faults, Fractures

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Carson District

Land status

Ownership category Private

Comments on the workings information

  • 6 TUNNELS ( 1954 )

Reference information

Bibliographic references

  • Deposit

    ASHER, R. R., 1968, GEOLOGY AND MINERAL RESOURCES OF A PORTION OF THE SILVER CITY REGION, OWYHEE COUNTY, IDAHO: IDAHO BUREAU OF MINES AND GEOLOGY PAMPHLET 138, 106 P

  • Deposit

    1968 GEOLMAP IDAHO BUREAU OF MINES & GEOL. PAMPHLET 13

General comments

Subject category Comment text
Deposit SOME VEINS TREND NW AND DIP 30 - 40 DEG S.
Deposit THE TUFF LIES ON TOP OF GRANITE.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-APR-1975 Miller, Pat J. U.S. Geological Survey

Beyond USGS

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