Trench I Phosphate Occurrence

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

Geologic information

Identification information

Deposit ID 10089378
MRDS ID W019261
Record type Site
Current site name Trench I Phosphate Occurrence

Geographic coordinates

Geographic coordinates: -111.0883, 43.43742 (WGS84)
Elevation 2896
Relative position 19.5 MI S OF DRIGGS

Site location context

Political divisions (FIPS codes)

Bonneville(county)

Idaho(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Palisades Peak(quadrangle 1:24,000 scale)

Palisades(quadrangle 1:100,000 scale)

Driggs(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Palisades(hydrologic unit)

Snake Headwaters(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 Bonneville

Public Land Survey System information

Meridian Township Range Section Fraction State
Boise 001N 046E 06 Idaho

Comments on the location information

  • NEAR TOP OF PALISADES PEAK

Commodities

Commodity Importance
Phosphorus-Phosphates Tertiary
Vanadium Critical Tertiary

Analytical data

Result 27.8 % P2O5 MAXIMUM FROM 7 SAMPLES
Result THIS IS EQUIVALENT TO 60.7 % CA3(PO4)2
Result MINOR V, UP TO 0.38 % V2O3 , WAS DETECTED IN 5 SAMPLES
Result THE AVG. CA3(PO4)2 CONTENT WAS 41.5 %

Host and associated rocks

  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Mudstone
    Stratigraphic age (youngest) Late Permian
  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Shale
    Rock unit name Phosphoria Formation-Phosphatic Shale, Siltstone, Mudstone, Chert;Wells Formation-Limestone And Quartzite
    Rock description Phosphoria Formation-Phosphatic Shale, Siltstone, Mudstone, Chert;Wells Formation-Limestone And Quartzite
  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Siltstone

Nearby scientific data

(1) Sedimentary rocks (Jurassic).

Economic information

Geologic structures

Type of structure Local
Structure description Trench I Adjacent To A Fault

Ore body information

  • General form BLANKET
    Thickness 6.8M

Economic information about the deposit and operations

Development status Occurrence
Commodity type Both
Deposit size Small
Significant No

Mining district

District name Pine Creek District

Land status

Ownership category National Forest
Area name Targhee National Forest

Reference information

Bibliographic references

  • Deposit

    GARDNER, L. S., 1944 , PHOSPHATE DEPOSITS OF THE TETON BASIN AREA, IDAHO AND WYOMING: USGS BULL. 944 - A, P. 23

  • Deposit

    1927 RECON MANSFIELD, G. R., PROF. PAPER 152

  • Deposit

    1933 COMPILE USDA TECH. BULLETIN 364

  • Deposit

    1944 RECON GARDNER, L. S., BULL. 944 - A

General comments

Subject category Comment text
Deposit DEPOSIT IS NEAR MOUNTAIN PEAK, SO THICKNESS OF PHOSPHATE BEDS IS NORMAL FOR AREA. THERE ARE 6 BEDS OF PHOSPHATE ROCK, THE BEST OF WHICH IS 2.1 FT; THICKNESS ABOVE IS TOTAL FOR PHOSPHATIC SHALE MEMBER

Reporter information

Type Date Name Affiliation Comment
Reporter 01-AUG-1976 Fabiyi, E. E. (Miller, Pat) U.S. Geological Survey

Beyond USGS

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