Bald Mountain Phosphate Deposit

Occurrence in Clark county in Idaho, United States with commodities Phosphorus-Phosphates, Fluorine-Fluorite, Uranium, Vanadium
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. Ore body information
  10. Economic information about the deposit and operations
  11. Mining district
  12. Land status
  13. Ownership information
  14. Links to other databases
  15. Bibliographic references
  16. General comments
  17. Reporter information

Geologic information

Identification information

Deposit ID 10071892
MRDS ID W015649
MAS/MILS ID 0160430072
Record type Site
Current site name Bald Mountain Phosphate Deposit
Alternate or previous names Area No. 4 Phosphate Deposit

Geographic coordinates

Geographic coordinates: -111.65804, 44.55241 (WGS84)
Elevation 2926
Relative position 16.75 MI NW OF ISLAND PARK

Site location context

Political divisions (FIPS codes)

Clark(county)

Idaho(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Upper Red Rock Lake(quadrangle 1:24,000 scale)

Hebgen Lake(quadrangle 1:100,000 scale)

Ashton(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Red Rock(hydrologic unit)

Missouri Headwaters(hydrologic accounting unit)

Missouri Headwaters(hydrologic subregion)

Missouri(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 Clark

Public Land Survey System information

Meridian Township Range Section Fraction State
Boise 014N 042E 07 SWSE Idaho

Commodities

Commodity Importance
Phosphorus-Phosphates Primary
Fluorine-Fluorite Critical Tertiary
Uranium Tertiary
Vanadium Critical Tertiary

Analytical data

Result A 4.6 FT B1 SUB-MEMBER HAD ACID-GRADE (HIGH-GRADE) ROCK WHICH CONTAINED 32.4% P2O5
Result A 1.7 FT B2 SUB-MEMBER HAD 22.8% P2O5
Result MINOR VANADIUM AND 1 PART FLUORINE/10 PARTS P2O5

Host and associated rocks

  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Shale
    Rock unit name Phosphoria Formation-Phosphatic Shale, Chert, Siltstone, Sandstone
    Rock description Phosphoria Formation-Phosphatic Shale, Chert, Siltstone, Sandstone
    Stratigraphic age (youngest) Late Permian
    Stratigraphic age (youngest) Late Permian

Nearby scientific data

(1) -111.65804, 44.55241

Economic information

Ore body information

  • Strike NW
    Dip 15 DEG SW
    Thickness 1.52M

Economic information about the deposit and operations

Operation type Surface
Development status Occurrence
Commodity type Both
Deposit size Small
Significant No

Mining district

District name Island Park Area

Land status

Ownership category National Forest
Area name Targhee National Forest

Ownership information

  • Type Operator
    Owner Bannock Chemical Co.

Comments on the workings information

  • Trenching

Comments on development

  • Econ.Com: Area Inaccessible To Heavy Mining Equipment

Reference information

Bibliographic references

General comments

Subject category Comment text
Deposit Thickness Above Refers To B1 Sub-Member

Reporter information

Type Date Name Affiliation Comment
Reporter 01-APR-1977 Siefken, Robert R. (Miller, Pat) U.S. Geological Survey
Reporter 18-MAR-1992 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.