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Phosphate Deposit

Prospect in Caribou county in Idaho, United States with commodity Phosphorus-Phosphates
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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. Host and associated rocks
  8. Nearby scientific data
  9. Geologic structures
  10. Ore body information
  11. Controls for ore emplacement
  12. Economic information about the deposit and operations
  13. Mining district
  14. Mineral rights holdings
  15. Land status
  16. Ownership information
  17. Workings at the site
  18. Links to other databases
  19. Bibliographic references
  20. General comments
  21. Reporter information

Geologic information

Identification information

Deposit ID 10089421
MRDS ID W026158
MAS/MILS ID 0160290100
Record type Site
Current site name Phosphate Deposit

Geographic coordinates

Geographic coordinates: -111.10889, 42.69822 (WGS84)
Elevation 2103
Relative position 9 MI W OF AFTON, WYOMING

Site location context

Political divisions (FIPS codes)

Caribou(county)

Idaho(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Sage Valley(quadrangle 1:24,000 scale)

Soda Springs(quadrangle 1:100,000 scale)

Preston(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Salt(hydrologic unit)

Snake Headwaters(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 008S 046E 29,30,31 SENW (29) Idaho

Comments on the location information

  • Pole Canyon Area

Commodities

Commodity Importance
Phosphorus-Phosphates Primary

Analytical data

Result RANDOM SAMPLES RANGED 33.58 - 35.11 % P2O5 , AVG. 0.5 % FE2O3 , 1.33 % AL2O3
Result 86 SAMPLES OF STRATIGRAPHIC SEQUENCE ( SECTION 31 ) GAVE 37.8 % P2O5 MAX

Host and associated rocks

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

Nearby scientific data

(1) -111.10889, 42.69822
ListMap

Economic information

Geologic structures

Type of structure Regional
Structure description Boulder Creek Anticline, Meade Thrust Fault

Ore body information

  • General form IRREGULAR
    Strike N 10 DEG W
    Dip 40 DEG W
    Thickness 1.83M
    Depth to bottom 914.4M

Controls for ore emplacement

  • Structure

Economic information about the deposit and operations

Operation type Surface
Development status Prospect
Commodity type Non-metallic
Deposit size Medium
Significant No

Mining district

District name Afton, Wyoming Area

Mineral rights holdings

Type of mineral rights Federal Lease

Land status

Ownership category National Forest
Area name Caribou National Forest

Ownership information

  • Type Operator
    Owner Western Phosphate Co.
    First year 1923

Workings at the site

  • Type of workings Surface
    Overall length 42.06M

Comments on the workings information

  • 1 Bulldozer Trench ( Section 31 )

Reference information

General comments

Subject category Comment text
Deposit 145.5 Thickness Phosphatic Shale Member ( Section 31 ); 3720 Acre Area Held As Phosphate Land ( 1927 )

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUN-1976 Siefken, Robert R. (Miller, Pat) U.S. Geological Survey
Reporter 15-MAY-1992 Western Field Operations Center (WFOC) U.S. Bureau of Mines

Beyond USGS

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

Maps centered on this site