Fort Hall Indian Reservation Phosphate Bed

Occurrence in Caribou county in Idaho, United States with commodity Phosphorus-Phosphates
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. Host and associated rocks
  8. Nearby scientific data
  9. Geologic structures
  10. Ore body information
  11. Economic information about the deposit and operations
  12. Links to other databases
  13. Bibliographic references
  14. General comments
  15. Reporter information

Geologic information

Identification information

Deposit ID 10096448
MRDS ID W026091
Record type Site
Current site name Fort Hall Indian Reservation Phosphate Bed

Geographic coordinates

Geographic coordinates: -111.94582, 42.94103 (WGS84)
Elevation 1829
Relative position 6 MI NW OF CHESTERFIELD

Site location context

Political divisions (FIPS codes)

Caribou(county)

Idaho(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Chesterfield Reservoir(quadrangle 1:24,000 scale)

Soda Springs(quadrangle 1:100,000 scale)

Preston(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Portneuf(hydrologic unit)

Upper Snake(hydrologic accounting unit)

Upper Snake(hydrologic subregion)

Pacific Northwest(hydrologic region)

Federal lands

ST(Federal land areas administered by ST)

Geographic areas

Country State County
United States Idaho Caribou

Public Land Survey System information

Meridian Township Range Section Fraction State
Boise 005S 038E 36 Idaho

Commodities

Commodity Importance
Phosphorus-Phosphates Tertiary

Analytical data

Result PHOSPHATE SAMPLES HAVE 35.46 % P2O5 MAX, AVG. 33.96 % P2O5 , 74.19 % CA3(PO4)

Host and associated rocks

  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Shale
    Rock unit name Phosphoria Formation-Phosphatic Shale, Chert;Wells Formation-Limestone;Dinwoody Formation-Limestone, Siltstone, Shale
    Rock description Phosphoria Formation-Phosphatic Shale, Chert;Wells Formation-Limestone;Dinwoody Formation-Limestone, Siltstone, Shale
    Stratigraphic age (youngest) Late Permian

Nearby scientific data

(1) -111.94582, 42.94103

Economic information

Geologic structures

Type of structure Local
Structure description Minor Fault

Ore body information

  • General form BLANKET
    Strike N 89 DEG W
    Dip 20 DEG N
    Thickness 1.85M
    Depth to bottom 1524M

Economic information about the deposit and operations

Development status Occurrence
Commodity type Non-metallic
Deposit size Small
Significant No

Comments on the workings information

  • 6 PITS, 1 TRENCH; TRENCH 68 FT LONG, 2.5 FT. WIDE, 4 FT DEEP

Reference information

Bibliographic references

  • Deposit

    MANSFIELD, G. R., 1920 , GEOGRAPHY, GEOLOGY AND MINERAL RESOURCES OF THE FORT HALL INDIAN RESERVATION, IDAHO: USGS BULL. 713 , P. 99 - 103

  • Deposit

    GALE, H. S., AND RICHARDS, R. W., 1910 , PRELIMINARY REPORT ON THE PHOSPHATE DEPOSITS IN SOUTHEASTERN IDAHO AND ADJACENT PARTS OF WYOMING AND UTAH: USGS BULL. 430 , P. 457 - 535

  • Deposit

    MANSFIELD, G. R., 1929 , GEOGRAPHY, GEOLOGY AND MINERAL RESOURCES OF THE PORTNEUF QUADRANGLE, IDAHO: USGS BULLETIN 803 , 110 P.

  • Deposit

    1910 RECON H. S. GALE AND R. W. RICHARDS, BULL. 430

  • Deposit

    1918 RECON G. R. MANSFIELD, BULL. 713

  • Deposit

    1929 RECON G. R. MANSFIELD, BULL. 803

General comments

Subject category Comment text
Deposit 146 FT THICKNESS OF SSPHOPHATE SHALE MEMBER

Reporter information

Type Date Name Affiliation Comment
Reporter 01-AUG-1976 Fabiyi, E. E. (Miller, Pat) U.S. Geological Survey

Beyond USGS

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