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Swan Lake Gulch Proposed Mine

Prospect in Caribou county in Idaho, United States with commodities Phosphorus-Phosphates, Vanadium, REE, Fluorine-Fluorite, Uranium
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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. Controls for ore emplacement
  13. Economic information about the deposit and operations
  14. Mining district
  15. Mineral rights holdings
  16. Land status
  17. Ownership information
  18. Reserves and resources
  19. Links to other databases
  20. Bibliographic references
  21. General comments
  22. Reporter information

Geologic information

Identification information

Deposit ID 10077989
MRDS ID W026093
MAS/MILS ID 0160290164
Record type Site
Current site name Swan Lake Gulch Proposed Mine

Geographic coordinates

Geographic coordinates: -111.4111, 42.62992 (WGS84)
Elevation 2347
Relative position 9 MI ESE 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

Johnson Creek(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 043E 22,17,29,15,27 C (22) Idaho

Comments on the location information

  • Swan Lake Gulch Proposed Mine Includes Sections 15 , 22 , 27 ; Plotted In Section 22 ; Sections 17 , 29 Not In Proposed Mine But Are Included In This Deposit

Commodities

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

Materials information

Materials Type of material
Calcite Unknown
Collophane Unknown
Dolomite Unknown
Feldspar Unknown
Limonite Unknown
Muscovite Unknown
Quartz Unknown
Sericite Unknown

Analytical data

Result RANDOM SAMPLES SECTION 29 RANGED 28 - 33.7 % P2O5
Result SAMPLES FROM SECTION 17 AVG. 32 % P2O5
Result RANDOM FLOAT SAMPLES AVG. 31.9 % P2O5

Host and associated rocks

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

Nearby scientific data

(1) -111.4111, 42.62992
ListMap

Economic information

Geologic structures

Type of structure Regional
Structure description Trail Creek Syncline
Type of structure Local
Structure description Faults, Folds

Ore body information

  • General form IRREGULAR
    Thickness 17.98M
  • General form TABULAR
    Thickness 18M
    Length 3000M
    Width 400M
    Area 280HA
  • General form TABULAR
    Strike N45W
    Dip 60E
    Thickness 23M
    Length 1980M
    Width 76M
    Area 280HA

Controls for ore emplacement

  • Bedding
  • Lithology

Economic information about the deposit and operations

Operation type Surface
Development status Prospect
Commodity type Both
Deposit size Medium
Significant No

Mining district

District name Soda Springs Area
District name Trail Creek

Mineral rights holdings

Type of mineral rights Federal Lease

Land status

Ownership category National Forest
Area name Caribou National Forest

Ownership information

  • Type Owner
    Owner U.S. Forest Service
    Interest 100
    Year 1978
  • Type Operator
    Owner Alumet Group
    Interest 100
    Year 1978
    First year 1975

Comments on the ownership information

  • Alumet Group Is Composed Of Earth Sciences Inc, National Steel Corp., And South Wire Company.

Comments on the production information

  • Production Scheduled To Begin In 2004 And End In 2028 ( USGS, 1975 )

Reserves and resources

  • Type In-situ
    Estimate year 1977
    Indicated 51700000mt ore
    Demonstrated 51700000mt ore
    Total resources 51700000mt ore
    Commodity Subtype Grade units Group Importance Year
    Phosphorus-Phosphates P2O5 31.9 wt-pct Phosphorus Major 1977
    Vanadium V2O5 0.0008 wt-pct Vanadium Trace 1977
    REE REE 0.001 wt-pct REE Trace 1977
    Fluorine-Fluorite F 0.025 wt-pct Fluorine Trace 1977
    Uranium U3O8 0.0001 wt-pct Uranium Trace 1977

Comments on the reserve resource information

  • Item 1 Est. For Swan Lake Gulch Proposed Mine; Item 2 Est. For T 9 S, R 43 E In General

Comments on the workings information

  • 2 Open Mine Pits Proposed With 45 Deg Slopes; E Pit Will Be 6000 Ft Long, 3400 Ft Wide, 350 Ft Deep; W Pit 4600 Ft Long, 1800 Ft Wide, 400 Ft Deep
  • Minesite Will Have A High Aesthetic Impact, Much Of The Site Is In The Huckleberry Basin Roadless Area. 699 Acres Will Be Disturbed:300 For Pits, 234 For Dumps, 165 For Surface Facilities. 160 Men Will Be Employed.

Comments on development

  • Swan Lake Gulch Proposed Mine On 1320 Acres ; Econ.Com: Average Stripping Ratio Would Be 7.4 : 1 (Cy Overburden: Cy Ore)
  • Minesite Is On The South End Of The Trail Creek Synccine Meade Peak Is 201 Ft Thick, Lower And Upper Ore Zones Total 59 Ft Thick-According To Eis Ore Will Be Mined In 2 Open Pits. East Pit Will Be 6000 Ft Long, 3400 Ft Wide, 350 Ft Deep. West Pit Will Be 4600 Ft Long, 1800 Ft Wide, 400 Ft Deep.

Reference information

Bibliographic references

  • Deposit

    USGS, 1975 , Development Of Phosphate Resources In Southeastern Idaho: Draft Environmental Impact Statement, V. 2 , Pt. 4.2 , P. 46 - 73

  • Reserve-Resource

    Phosphate Resources In Southeastern Idaho,. USGS, Blm, U.S. Forest Service, 1977

  • Deposit

    Mansfield, G. R., 1927 , Geography, Geology, And Mineral Resources Of Part Of Southeastern Idaho: USGS Prof. Paper 152 , 453 P.

  • Deposit

    Mc Kelvey, V. E., And Others, 1953 , Stratigraphic Sections Of The Phosphoria Formation In Idaho, 1947 - 1948 , Part 1 : USGS Circ. 208 , 49 P.

  • Deposit

    Powell, J. D., 1974 , Evaluation Of Phosphate Resources In Southeastern Idaho: Idaho Bureau Of Mines And Geology Inf. Circ. 25 , 33 P.

  • Deposit

    Garrand, Leonard, 1975, Phosphate Study Southeastern Idaho For Us Forest Service

  • Deposit

    Service, A.L., 1966, An Evaluation Of The Western Phosphate Industry And Its Resources, Part 3 Idaho, Us Bureau Of Mines Ri 6801

General comments

Subject category Comment text
Deposit 161.6 Ft Thickness Phosphatic Shale Member ( Section 29 ); Thickness Above For 2 Ore Zones
Deposit Deposit Also Located In Secs 15 And 27. EIS Project Involves Federal Phosphate Leases I-014958(400 Acres) And I-016079 (40 Acres). Deposit Not Scheduled For Production Before The Year 2000

Reporter information

Type Date Name Affiliation Comment
Reporter 01-AUG-1976 Matthews, John Y.; Miller, Pat U.S. Geological Survey
Reporter 30-JAN-1995 Benjamin U.S. Bureau of Mines

Beyond USGS

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

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