Phosphate Deposit

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. Controls for ore emplacement
  12. Economic information about the deposit and operations
  13. Mining district
  14. Land status
  15. Workings at the site
  16. Links to other databases
  17. Bibliographic references
  18. General comments
  19. Reporter information

Geologic information

Identification information

Deposit ID 10078020
MRDS ID W026134
MAS/MILS ID 0160290132
Record type Site
Current site name Phosphate Deposit

Geographic coordinates

Geographic coordinates: -111.55891, 42.95162 (WGS84)
Elevation 2012
Relative position 2 MI N OF BLACKFOOT RIVER RESERVOIR

Site location context

Political divisions (FIPS codes)

Caribou(county)

Idaho(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Henry(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

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 042E 29 Idaho

Commodities

Commodity Importance
Phosphorus-Phosphates Primary

Analytical data

Result 4 RANDOM SAMPLES RANGED FROM 25.4 - 30.75 % P2O5 , 55.5 - 67.2 % CA3(PO4)2

Host and associated rocks

  • Host or associated Associated
    Rock type Sedimentary Rock > Carbonate > Limestone
    Rock unit name Wells Formation-Sandstone;Wells Formation-Limestone;Dinwoody Formation-Shale;Dinwoody Formation-Limestone;Thaynes Formation-Limestone;Thaynes Formation-Sandstone;Thaynes Formation-Shale
    Rock description Wells Formation-Sandstone;Wells Formation-Limestone;Dinwoody Formation-Shale;Dinwoody Formation-Limestone;Thaynes Formation-Limestone;Thaynes Formation-Sandstone;Thaynes Formation-Shale
    Stratigraphic age (youngest) Late Permian
  • 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;;;

Economic information

Geologic structures

Type of structure Regional
Structure description Little Gray Anticline, Snowdrift Anticline, Georgetown Syncline, Meadow Creek Graben, Limerock And Enoch Valley Faults

Ore body information

  • General form IRREGULAR
    Strike N 81 DEG W
    Dip 30 DEG N
    Thickness 1.83M
    Depth to bottom 1371.6M

Controls for ore emplacement

  • Structure

Comments on the geologic information

  • Structure Complex

Economic information about the deposit and operations

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

Mining district

District name Blackfoot River Reservoir Area

Land status

Ownership category State

Workings at the site

  • Type of workings Surface
    Overall length 4.72M
    Overall width 0.76M

Reference information

General comments

Subject category Comment text
Deposit 600 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 30-JAN-1995 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.