Trench H 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. Ore body information
  10. Economic information about the deposit and operations
  11. Mining district
  12. Land status
  13. Links to other databases
  14. Bibliographic references
  15. General comments
  16. Reporter information

Geologic information

Identification information

Deposit ID 10089379
MRDS ID W019263
Record type Site
Current site name Trench H Phosphate Occurrence

Geographic coordinates

Geographic coordinates: -111.0777, 43.40132 (WGS84)
Elevation 2804
Relative position 22 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 19 Idaho

Comments on the location information

  • ON RIDGE BETWEEN AUSTIN CREEK AND DRY CANYON

Commodities

Commodity Importance
Phosphorus-Phosphates Tertiary
Vanadium Critical Tertiary

Analytical data

Result 32.3 % P2O5, 70.6 % CA3(PO4)2 MAXIMUM FROM 11 SAMPLES
Result AVG. CA3(PO4)2 CONTENT WAS 47.3 %
Result MINOR V, UP TO 0.41 % V2O3, DETECTED IN 5 SAMPLES

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 Wells Formation-Limestone, Quartzite;Phosphoria Formation-Phosphatic Shale, Mudstone, Chert
    Rock description Wells Formation-Limestone, Quartzite;Phosphoria Formation-Phosphatic Shale, Mudstone, Chert

Nearby scientific data

(1) -111.0777, 43.40132

Economic information

Ore body information

  • General form BLANKET
    Thickness 8.9M

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

Comments on development

  • ECON.COM: TENOR OF PHOSPHATIC SHALE IN THIS TRENCH IS NOT REPRESENTATIVE OF THE ENTIRE AREA; CA3(PO4)2 READINGS AVE. 10 - 30 % HIGHER THAN ELSEWHERE; GARDNER OFFERS NO EXPLANATION OTHER THAN THIS SECTION IS UNDISTURBED BY FAULTING

Reference information

Bibliographic references

  • Deposit

    GARDNER, L. S., 1944 , PHOSPHATE DEPOSITS OF THE TETON BASIN AREA, IDAHO AND WYOMING: USGS BULL. 944-A, P. 21

  • Deposit

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

  • Deposit

    1933 COMPILE USDA TECH. BULL. 364

  • Deposit

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

General comments

Subject category Comment text
Deposit THICKNESS ABOVE IS TOTAL FOR PHOSPHATIC SHALE MEMBER; THERE ARE 5 BEDS OF PHOSPHATE ROCK, THE BEST OF WHICH IS 1.5 FT THICK.

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.