Dry Ridge 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. Ownership information
  16. Links to other databases
  17. Bibliographic references
  18. Reporter information

Geologic information

Identification information

Deposit ID 10089424
MRDS ID W026165
Record type Site
Current site name Dry Ridge Phosphate Deposit

Geographic coordinates

Geographic coordinates: -111.2239, 42.64852 (WGS84)
Elevation 2438
Relative position 20 MI E OF SODA SPRINGS

Site location context

Political divisions (FIPS codes)

Caribou(county)

Idaho(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Stewart Flat(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

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 009S;008S 045E;045E 05,08,17;32 Idaho

Comments on the location information

  • DRY RIDGE LEASE IS PLOTTED IN SECTION 8

Commodities

Commodity Importance
Phosphorus-Phosphates Tertiary

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

Nearby scientific data

(1) -111.2239, 42.64852

Economic information

Geologic structures

Type of structure Regional
Structure description Boulder Creek Anticline, Webster Syncline, Snowdrift Anticline, Georgetown Syncline, Dry Valley Anticline, Dry Valley Fault
Type of structure Local
Structure description Minor Folds

Ore body information

  • General form IRREGULAR
    Thickness 1.22M
    Depth to bottom 609.6M

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 Soda Springs Area

Land status

Ownership category National Forest
Area name Caribou National Forest

Ownership information

  • Type Operator
    Owner San Francisco Chemical Co.
    First year 1966

Comments on development

  • 1966 LEASE COVERS 518 ACRES

Reference information

Bibliographic references

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUN-1976 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.