Stewart Canyon

Prospect in Caribou county in Idaho, United States with commodities Fluorine-Fluorite, Phosphorus-Phosphates, REE, Uranium, Vanadium
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. Mineral occurrence model information
  9. Nearby scientific data
  10. Ore body information
  11. Economic information about the deposit and operations
  12. Mining district
  13. Mineral rights holdings
  14. Land status
  15. Ownership information
  16. Links to other databases
  17. Bibliographic references
  18. Reporter information

Geologic information

Identification information

Deposit ID 10290208
MAS/MILS ID 0160290036
Record type Deposit
Current site name Stewart Canyon
Alternate or previous names Dry Ridge, Unit 1, Area D, 26, 27 Dry Valley, Area A, 1 Thru 4, Stewart Flat, West Limb Georgetown Syncline, Husky Unit #1

Geographic coordinates

Point of reference Pit
Geographic coordinates: -111.248, 42.69662 (WGS84)
Elevation 2499
Location accuracy 500(meters)

Site location context

Political divisions (FIPS codes)

Caribou(county)

Idaho(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Stewart Flat(quadrangle 1:24,000 scale)

Soda Springs(quadrangle 1:100,000 scale)

Preston(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Blackfoot(hydrologic unit)

Upper Snake(hydrologic accounting unit)

Upper Snake(hydrologic subregion)

Pacific Northwest(hydrologic region)

Federal lands

Caribou-Targhee 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 Caribou

Public Land Survey System information

Meridian Township Range Section Fraction State
Boise 008 S 045 E 30 C NWSW Idaho

Commodities

Commodity Importance
Fluorine-Fluorite Critical Tertiary
Phosphorus-Phosphates Primary
REE Critical Tertiary
Uranium Tertiary
Vanadium Critical Tertiary

Materials information

Materials Type of material
Calcite Unknown
Collophane Unknown
Dolomite Unknown
Feldspar Unknown
Limonite Unknown
Muscovite Unknown
Quartz Unknown
Sericite Unknown

Mineral occurrence model information

Model code 243
USGS model code 34c
Deposit model name Phosphate, upwelling type

Nearby scientific data

Pit (1) -111.248, 42.69662

Economic information

Ore body information

  • Strike N30W
    Dip 55E
    Thickness 62M
    Length 4344M
    Width 368M
    Depth to top 193M
    Field Value
    MAS Matrix # 1
    Type of Orebody #1 SEDIMENTARY
    Shape of Orebody #1 TABULAR
    Primary mode of Origin SEDIMENTATION
    Secondary mode of Origin OTHER
    Primary Ore Control BEDDING
    Secondary Ore Control FAULTING
    Degree of Wallrock Alter. NONE
    Strike And Dip N30W:55E
    Minimum Depth to Top 0
    Avg. Thick. Unconsol. Mat. 5
    Min. Thick. Unconsol. Mat. 0
    Date of Last Modification 830316
  • Area 160HA
    Field Value
    Total Surface Area (HA) 160
    Date of Last Modification 910418

Economic information about the deposit and operations

Operation type Surface
Development status Prospect
Commodity type Both
Significant Yes
Mining method Open Pit
Milling method Thermal Decomposition

Mining district

District name Crow Creek District

Mineral rights holdings

Type of mineral rights Federal Lease

Land status

Ownership category National Forest
Area name Caribou National Forest

Ownership information

  • Type Owner
    Owner U.S. Forest Service
    Year 1985
  • Type Owner-Operator
    Owner International Minerals And Chemical Corp.
    Year 1985
  • Type Unknown
    Owner Conda Partnership Washington Construction

Reference information

Bibliographic references

  • Deposit

    GARRAND, LEONARD. 1975. PHOSPHATE STUDY OF SE IDAHO FOR U.S.

  • Deposit

    SERVICE, A.L. 1966. BUREAU OF MINES REPORT OF INVESTIGATIONS

  • Deposit

    MANSFIELD, G.R. 1927. U.S.G.S. PROFESSIONAL PAPER 152.

  • Deposit

    U.S. BUREAU OF MINES FILES, SPOKANE, WASHINGTON.

  • Deposit

    CRESSMAN E.R., GULBRANDSEN, R.A. 1955. U.S.G.S. BULL. 1015-I

  • Deposit

    SHELDON, R.P., AND OTHERS, 1949, U.S.G.S. CIRCULAR 304.

  • Deposit

    O'MALLEY, F.W. AND OTHERS, 1953, U.S.G.S. CIRCULAR 262.

Reporter information

Type Date Name Affiliation Comment
Reporter 07-MAR-95 Buckingham, David A. U.S. Bureau of Mines
Updater 15-DEC-10 Causey, J. Douglas U.S. Geological Survey Added Model

Beyond USGS

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