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Wildhorse Mine

Producer in Custer county in Idaho, United States with commodities Tungsten, Molybdenum, Beryllium
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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. Ownership information
  18. Production statistics
  19. Links to other databases
  20. Bibliographic references
  21. General comments
  22. Reporter information

Geologic information

Identification information

Deposit ID 10089167
MRDS ID W013645
Record type Site
Current site name Wildhorse Mine
Alternate or previous names Beaver, Steep Climb, Hard To Find

Geographic coordinates

Geographic coordinates: -114.0933, 43.7958 (WGS84)
Elevation 2438
Relative position ABOUT 15 MI NE OF SUN VALLEY

Site location context

Political divisions (FIPS codes)

Custer(county)

Idaho(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Standhope Peak(quadrangle 1:24,000 scale)

Sun Valley(quadrangle 1:100,000 scale)

Hailey(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Big Lost(hydrologic unit)

Upper Snake(hydrologic accounting unit)

Upper 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 Custer

Public Land Survey System information

Meridian Township Range Section Fraction State
Boise 005N 020E 4 Idaho

Comments on the location information

  • ABOUT 4 MI NE OF HYNDMAN PEAK

Commodities

Commodity Importance
Tungsten Critical Primary
Molybdenum Tertiary
Beryllium Critical Tertiary

Materials information

Materials Type of material
Molybdenite Ore
Scheelite Ore
Actinolite Gangue
Calcite Gangue
Chlorite Gangue
Diopside Gangue
Garnet Gangue
Pyrite Gangue
Quartz Gangue
Tremolite Gangue

Alteration

  • (Local) Sericitized

Analytical data

Result STEEP CLIMB OUTCROP FROM 1.89 - 2.25% WO3, HARD TO FIND OUTCROP FROM 1.5-2.48% WO3, BEAVER OUTCROP AVE 0.25% WO3. TACTITE DEPOSITS CONTAINED 0.002 - 0.013 % BEO TACTITE DEPOSITS CONTAINED 0.002 - 0.013 % BEO

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite
    Rock unit name Leucogranodiorite Dikes
    Rock description Leucogranodiorite Dikes
    Stratigraphic age (youngest) Late Cretaceous
    Stratigraphic age (youngest) Late Cretaceous
    Stratigraphic age (youngest) Late Cretaceous
  • Host or associated Host
    Rock type Metamorphic Rock > Skarn (Tactite)
    Rock unit name Wood River Formation-Limestone, Marble, Marble;Schist, Biotite Gneiss;Tactite
    Rock description Wood River Formation-Limestone, Marble, Marble;Schist, Biotite Gneiss;Tactite

Nearby scientific data

(1) -114.0933, 43.7958
ListMap

Economic information

Geologic structures

Type of structure Local
Structure description Asymmetric Anticline, Axis N 20 Deg W, Steep Flank On The East

Ore body information

  • General form LINEAR
    Strike N 17 DEG W
    Dip E
    Length 182.88M
    Width 10.67M

Controls for ore emplacement

  • Tactite Zone Near Intrusions

Comments on the geologic information

  • LEUCOGRANODIORITE DIKES REFERRED TO AS ALASKITE BY LEE, 1955. AND PATTEE, 196, AND PATTEE, 196,

Economic information about the deposit and operations

Development status Producer
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1953
Year of first production 1954

Mining district

District name Alto District

Land status

Ownership category National Forest
Area name Challis National Forest

Ownership information

  • Type Operator
    Owner Sanders Associates, Inc.
  • Type Owner
    Owner John Rosenkranze

Production statistics

  • Year 1955
    Period 1954-1955
    Material ORE
    Description Cp_Grade: ^0.87% Wo3
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    WO3 Ore Tungsten Tungsten 1wt-pct

Comments on the production information

  • GROSS VALUE OF $212,000.

Comments on development

  • 40 - TON MILL

Reference information

Bibliographic references

  • Deposit

    COOK, E. F., 1956, TUNGSTEN DEPOSITS OF SOUTH - CENTRAL IDAHO, IDAHO BUREAU OF MINES AND GEOLOGY PAMPHLET 108, 43 P.

  • Deposit

    USBM, 1975, ACTIVITY OF IDAHO MINING PROPERTIES, 1974, USBM, BOISE, IDAHO, 61 P.

  • Deposit

    IDAHO DEPT. OF LABOR AND INDUSTRIAL SERVICES, JULY 1974 - JUNE 1975, FIRST ANNUAL REPT. ADDENDUM, 95 P.

  • Deposit

    LEE, H., 1955 , TUNGSTEN MINERALIZATION AT THE WILDHORSE MINE, CUSTER COUNTY, IDAHO: MOSCOW, IDAHO, UNIV. OF IDAHO, M.S. THESIS, 45 P.

  • Deposit

    5) PATTEE, E.C., AND OTHERS, 1968 , BERYLLIUM RESOURCES OF IDAHO, WASHINGTON, MONTANA, AND OREGON: USBM REPT. INV. 7148, 169 P.

  • Deposit

    UMPLEBY, J.R., 1930, USGS BULL 814.

  • Deposit

    1955 GEOLMAP IDAHO BUREAU OF MINES & GEOL. PAMPHLET 108

  • Production

    COOK, E. F., 1956, IDAHO BUREAU OF MINES & GEOL. PAM. 108, P. 12

General comments

Subject category Comment text
Deposit DESCRIPTION ABOVE FOR TACTITE ZONE IN THE HARD TO FIND PIT; TACTITE ZONE ON BEAVER CLAIMS IS 40 FT LONG, 17 FT WIDE, TRENDS N 20 DEG W, AND DIPS 63 DEG E; A 3RD TACTITE ZONE TRENDS N 12 DEG E, DIPS 60 DEG E, IS 51 FT LONG, AND 15 FT WIDE

Reporter information

Type Date Name Affiliation Comment
Reporter 1975-09-01 Steigner, William D.; Miller, Pat U.S. Geological Survey
Updater 1977-06-01 Siefken, Robert R. U.S. Geological Survey

Beyond USGS

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

External references

Maps centered on this site