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  3. Mineral Resource Data System (MRDS)

Grizzly Creek Phosphate Property

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. Ownership information
  16. Workings at the site
  17. Links to other databases
  18. Bibliographic references
  19. General comments
  20. Reporter information

Geologic information

Identification information

Deposit ID 10078042
MRDS ID W026172
MAS/MILS ID 0160290058
Record type Site
Current site name Grizzly Creek Phosphate Property
Alternate or previous names Grizzley Creek

Geographic coordinates

Geographic coordinates: -111.80412, 42.95462 (WGS84)
Elevation 1890
Relative position 8 MI NW 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

Grizzly Creek(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 040E 19,29,30,32,33 Idaho

Commodities

Commodity Importance
Phosphorus-Phosphates Primary

Analytical data

Result TRENCH SAMPLES RANGE 18.21 - 32.87 % P2O5 , 39.3 - 71.7 % CA3(PO4)2

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-Sandstone, Limestone
    Rock description Phosphoria Formation-Phosphatic Shale, Chert;Wells Formation-Sandstone, Limestone
    Stratigraphic age (youngest) Late Permian

Nearby scientific data

(1) -111.80412, 42.95462
ListMap

Economic information

Geologic structures

Type of structure Regional
Structure description Reservoir, Nigger Creek, And Graves Creek Synclines; Grizzly Creek And Corral Creek Anticlines, Little - Gray Fault, Bannock Overthrust

Ore body information

  • General form IRREGULAR
    Strike SE
    Dip 60 DEG
    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 Small
Significant No

Mining district

District name Blackfoot River Reservoir Area

Land status

Ownership category State

Ownership information

  • Type Operator
    Owner J. R. Simplot Co.
    First year 1966

Comments on the reserve resource information

  • Above Est. For Entire Township

Workings at the site

  • Type of workings Surface
    Overall length 24.54M
    Overall width 2.82M

Comments on the workings information

  • 4 Trenches, Up To 5.5 Ft Deep

Comments on development

  • 480 Acre Lease ( 1966 )

Reference information

Bibliographic references

General comments

Subject category Comment text
Deposit 6760 Acres ( 1929 ), 4570 Acres ( 1927 ) Held As Phosphate Land; Dip Above Ave. For 27 - 90 Deg Range, Direction Varies On Either Side Of Vertical

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.

Maps centered on this site