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Phosphate Deposit

Occurrence 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. Land status
  15. Links to other databases
  16. Bibliographic references
  17. General comments
  18. Reporter information

Geologic information

Identification information

Deposit ID 10078017
MRDS ID W026130
MAS/MILS ID 0160290045
Record type Site
Current site name Phosphate Deposit

Geographic coordinates

Geographic coordinates: -111.71302, 42.89712 (WGS84)
Elevation 1890
Relative position 5 MI W 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

Reservoir Mountain(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)

Geographic areas

Country State County
United States Idaho Caribou

Public Land Survey System information

Meridian Township Range Section Fraction State
Boise 006S 040E 12,13,24,25,01 SENE (13) Idaho

Commodities

Commodity Importance
Phosphorus-Phosphates Primary

Analytical data

Result 7 SAMPLES OF PHOSPHATIC SHALE MEMBER GAVE UP TO 35.8 % P2O5 MAX.

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
    Rock description Wells Formation-Sandstone;Wells Formation-Limestone;Dinwoody Formation-Shale;Dinwoody Formation-Limestone
    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;;;;

Nearby scientific data

(1) -111.71302, 42.89712
ListMap

Economic information

Geologic structures

Type of structure Local
Structure description Minor Faults
Type of structure Regional
Structure description Pelican Fault, Rock Creek, Nigger Creek, And Graves Creek Synclines, Twenty Four Mile And Grizzly Creek Anticlines

Ore body information

  • General form IRREGULAR
    Strike N - S
    Dip 40 DEG E
    Thickness 1.52M
    Depth to bottom 1219.2M

Controls for ore emplacement

  • Structure

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 Private

Comments on the reserve resource information

  • Item 1 If Phosphate Dips; Item 2 If Phosphate Horizontal

Comments on the workings information

  • Bulldozer Trench ( Section 12 )

Reference information

Bibliographic references

General comments

Subject category Comment text
Deposit 1160 Acres ( Mansfield, 1927 ), 2160 Acres ( Mansfield, 1929 ) Held As Phosphate Land

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUN-1976 Siefken, Robert R. (Miller, Pat) U.S. Geological Survey
Reporter 14-NOV-1983 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.

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