Troublesome Ridge Phosphate Deposit

Occurrence in Clark county in Idaho, United States with commodities Phosphorus-Phosphates, Vanadium, Uranium, Fluorine-Fluorite
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. Materials information
  8. Host and associated rocks
  9. Nearby scientific data
  10. Geologic structures
  11. Ore body information
  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. General comments
  19. Reporter information

Geologic information

Identification information

Deposit ID 10071890
MRDS ID W015647
Record type Site
Current site name Troublesome Ridge Phosphate Deposit
Alternate or previous names Area No. 2 Phosphate Deposit

Geographic coordinates

Geographic coordinates: -111.69224, 44.54991 (WGS84)
Elevation 2377
Relative position 18 MI WNW 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 040E 11,12,13,14 Idaho

Comments on the location information

  • BOTH SIDES TROUBLESOME RIDGE; LOCATION APPROXIMATE

Commodities

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

Materials information

Materials Type of material
Glauconite Gangue
Quartz Gangue

Analytical data

Result B, SUB-MEMBER IS ACID-GRADE (HIGH-GRADE)
Result B2 AND B3 SUB-MEMBERS AVG. 11% P2O5
Result MINOR VANADIUM AND 1 PART FLUORINE/10 PARTS P2O5

Host and associated rocks

  • Host or associated Associated
    Rock type Sedimentary Rock > Carbonate > Limestone
    Rock unit name Phosphoria Formation;Phosphoria Formation;Phosphoria Formation;Dinwoody Formation;Dinwoody Formation
    Rock description Phosphoria Formation;Phosphoria Formation;Phosphoria Formation;Dinwoody Formation;Dinwoody Formation
    Stratigraphic age (youngest) Late Permian
  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Shale
    Rock unit name Phosphoria Formation;;Quadrant Formation-Sandstone
    Rock description Phosphoria Formation;;Quadrant Formation-Sandstone

Nearby scientific data

(1) -111.69224, 44.54991

Economic information

Geologic structures

Type of structure Local
Structure description Deep-Seated Bedding-Plane Faults, Sw Dipping Homocline, Nw Trending Camp Creek Fault

Ore body information

  • Strike NW
    Dip 15 DEG SW
    Thickness 4.57M
    Depth to bottom 38.1M

Comments on the geologic information

  • 5 LITHOLOGIC MEMBERS, A, B, C, D, AND E, IN THE PHOSPHORIA FORMATION

Economic information about the deposit and operations

Development status Occurrence
Commodity type Both
Deposit size Medium
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 reserve resource information

  • 2 BLOCKS SHOW OPEN-PIT ORE RESERVES; RESERVES CALCULATED BY USING STRUCTURE CONTOURS, ISOCHORES, A SPECIFIC GRAVITY OF 2.88 FOR THE PHOSPHATE ROCK, A 5.5 FT AVE. THICKNESS OF ACID-GRADE PHOSPHATE ROCK, AND AREAS AS DETERMINED BY STRUCTURE CONTOUR AND ISOCHORE MAPS

Comments on the workings information

  • 16 BULLDOZER TRENCHES, NUMEROUS DRILL HOLES

Comments on development

  • ECON.COM: JEMMETT SAYS THIS AREA HAS 2 MINING BLOCKS WITH IMPORTANT OPEN-PIT POTENTIAL

Reference information

Bibliographic references

General comments

Subject category Comment text
Deposit THICKNESS ABOVE FOR ENTIRE B-MEMBER; THE ACID-GRADE B1 SUB-MEMBER AVE 5.5 FT THICK

Reporter information

Type Date Name Affiliation Comment
Reporter 01-APR-1977 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.