Hots Springs Phosphate Deposit

Occurrence in Bear Lake 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. 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 10078033
MRDS ID W026150
Record type Site
Current site name Hots Springs Phosphate Deposit

Geographic coordinates

Geographic coordinates: -111.2586, 42.1069 (WGS84)
Elevation 1920
Relative position 7 MI E OF SAINT CHARLES

Site location context

Political divisions (FIPS codes)

Bear Lake(county)

Idaho(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Bear Lake North(quadrangle 1:24,000 scale)

Preston(quadrangle 1:100,000 scale)

Preston(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Bear Lake(hydrologic unit)

Lower Bear(hydrologic accounting unit)

Bear(hydrologic subregion)

Great Basin(hydrologic region)

Geographic areas

Country State County
United States Idaho Bear Lake

Public Land Survey System information

Meridian Township Range Section Fraction State
Boise 015S 044E 24,12,01,13 Idaho

Comments on the location information

  • PLOTTED IN SECTION 24

Commodities

Commodity Importance
Phosphorus-Phosphates Primary

Analytical data

Result RANDOM SAMPLES ( SECTION 24 ) RANGED FROM 24.3 - 36.3 % P2O5
Result OTHERS RANGED 24.7 - 37.0 % P2O5 , WITH 35 % AVG.
Result 36 SAMPLES OF STRATIGRAPHIC SECTION GAVE 34.3 % P2O5 MAX ( SECTION 13 )

Host and associated rocks

  • Host or associated Associated
    Rock type Sedimentary Rock > Carbonate > Limestone
    Rock unit name Brazer Limestone-Limestone;Brazer Limestone-Chert;Brazer Limestone-Shale;Wells Formation-Sandstone;Wells Formation-Limestone;Dinwoody Formation-Shale;Dinwoody Formation-Limestone
    Rock description Brazer Limestone-Limestone;Brazer Limestone-Chert;Brazer Limestone-Shale;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) -111.2586, 42.1069

Economic information

Geologic structures

Type of structure Regional
Structure description Hot Springs Anticline, Bear Lake Fault

Ore body information

  • General form IRREGULAR
    Strike N 24 DEG W
    Dip 50 DEG W
    Thickness 1.52M
    Depth to bottom 1219.2M

Controls for ore emplacement

  • Structure

Comments on the geologic information

  • STRUCTURE UNCERTAIN

Economic information about the deposit and operations

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

Mining district

District name Bear Lake Area

Land status

Ownership category Private

Ownership information

  • Type Operator
    Owner San Francisco Chemical Co.
    First year 1954

Workings at the site

  • Type of workings Underground
    Length 853.44M

Reference information

Bibliographic references

General comments

Subject category Comment text
Deposit 53.95 FT THICKNESS PHOSPHATIC SHALE MEMBER ( SECTION 13 ), 64 FT THICKNESS ( SECTION 24 ); 1000 ACRE AREA HELD AS PHOSPHATE LAND ( 1927 )

Reporter information

Type Date Name Affiliation Comment
Reporter 1976-06-01 Siefken, Robert R. (Miller, Pat) U.S. Geological Survey

Beyond USGS

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