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Gay Mine

Past Producer in Bingham county in Idaho, United States with commodities Phosphorus-Phosphates, Fluorine-Fluorite, REE, Uranium, Vanadium
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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. Mineral occurrence model information
  9. Host and associated rocks
  10. Nearby scientific data
  11. Ore body information
  12. Economic information about the deposit and operations
  13. Mining district
  14. Mineral rights holdings
  15. Ownership information
  16. Production statistics
  17. Workings at the site
  18. Links to other databases
  19. Bibliographic references
  20. General comments
  21. Reporter information

Geologic information

Identification information

Deposit ID 10119519
MRDS ID ISM0341
MAS/MILS ID 0160110035
Record type Deposit
Current site name Gay Mine
Alternate or previous names Simplot Mine

Geographic coordinates

Point of reference Town
Geographic coordinates: -112.11363, 43.04851 (WGS84)
Elevation 1720
Location accuracy 10(meters)

Site location context

Political divisions (FIPS codes)

Bingham(county)

Idaho(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Lincoln Peak(quadrangle 1:24,000 scale)

Blackfoot(quadrangle 1:100,000 scale)

Idaho Falls(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

American Falls(hydrologic unit)

Upper Snake(hydrologic accounting unit)

Upper Snake(hydrologic subregion)

Pacific Northwest(hydrologic region)

Federal lands

BIA(Federal land areas administered by BIA)

Geographic areas

Country State County
United States Idaho Bingham

Public Land Survey System information

Meridian Township Range Section Fraction State
Boise 004 S 037 E 27 Idaho

Commodities

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

Materials information

Materials Type of material
Chalcedony Unknown
Collophane Unknown
Dolomite Unknown
Kaolinite Unknown
Limonite Unknown
Montmorillonite Unknown
Orthoclase Unknown
Pyrite Unknown
Quartz Unknown
Sericite Unknown

Mineral occurrence model information

Model code 243
USGS model code 34c
Deposit model name Phosphate, upwelling type

Host and associated rocks

  • Host or associated Host
    Rock type
    Rock unit name Phosphoria Formation
    Stratigraphic age (youngest) Late Permian
  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Shale
    Rock unit name Phosphoria Formation
  • Host or associated Host
    Rock type Sedimentary Rock > Carbonate > Limestone
    Rock unit name Phosphoria Formation

Nearby scientific data

Town (1) -112.11363, 43.04851
ListMap

Economic information

Ore body information

  • Strike N15W
    Dip 45E
    Thickness 10.9M
    Length 9163M
    Width 100M
    Depth to top 40M
    Field Value
    MAS Matrix # 1
    MAS Column # 2
    Type of Orebody #1 SEDIMENTARY
    Shape of Orebody #1 TABULAR
    Primary mode of Origin SEDIMENTATION
    Secondary mode of Origin RESIDUAL CONCENT
    Primary Ore Control BEDDING
    Secondary Ore Control LITHOLOGY
    Degree of Wallrock Alter. NONE
    Type of Wallrock Alter. #1 UNKNOWN
    Strike And Dip N15W:45E
    Minimum Depth to Top 0
    Avg. Thick. Unconsol. Mat. 1
    Min. Thick. Unconsol. Mat. 0
    Date of Last Modification 850320
  • Area 3640HA
    Field Value
    Total Surface Area (HA) 3640
    Date of Last Modification 910418

Economic information about the deposit and operations

Operation type Surface
Development status Past Producer
Commodity type Both
Significant Yes
Mining method Open Pit
Year of first production 1946
Milling method Washing

Mining district

District name SE Idaho Phosphate District

Mineral rights holdings

Type of mineral rights Private Lease

Ownership information

  • Type Owner-Operator
    Owner J. R. Simplot Co.

Comments on the ownership information

  • OWNER:BANNOCK-SHOSHONE INDIAN TRIBE.-OPERATOR: FMC CORP.

Production statistics

  • Year 1946
    Description Phosphate Rock 33.2 % P205 50000 Mt Ore Per Year
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Phosphorus-Phosphates Phosphorus 33wt-pct
  • Year 1947
    Description Phosphate Rock 29.0 % P205 480000 Mt Ore Per Year
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Phosphorus-Phosphates Phosphorus 29wt-pct
  • Year 1948
    Description Phosphate Rock 29.0 % P205 150000 Mt Ore Per Year
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Phosphorus-Phosphates Phosphorus 29wt-pct
  • Year 1949
    Description Phoshpate Rock 27.0 % P205 200000 Mt Ore Per Year
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Phosphorus-Phosphates Phosphorus 27wt-pct
  • Year 1950
    Description Phosphate Rock 24.9 % P205 520000 Mt Ore Per Year
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Phosphorus-Phosphates Phosphorus 25wt-pct
  • Year 1951
    Description Phosphate Rock 25.2 % P205 450000 Mt Ore Per Year
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Phosphorus-Phosphates Phosphorus 25wt-pct
  • Year 1952
    Description Phosphate Rock 25.8 % P205 390000 Mt Ore Per Year
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Phosphorus-Phosphates Phosphorus 26wt-pct
  • Year 1953
    Description Phosphate Rock 24.9 % P205 530000 Mt Ore Per Year
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Phosphorus-Phosphates Phosphorus 25wt-pct
  • Year 1954
    Description Phosphate Rock 25.2 % P205 580000 Mt Ore Per Year
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Phosphorus-Phosphates Phosphorus 25wt-pct
  • Year 1955
    Description Phosphate Rock 25.1 % P205 680000 Mt Ore Per Year
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Phosphorus-Phosphates Phosphorus 25wt-pct
  • Year 1956
    Description Phosphate Rock 25.3 % P205 670000 Mt Ore Per Year
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Phosphorus-Phosphates Phosphorus 25wt-pct
  • Year 1957
    Description Phosphate Rock 25.3 % P205 730000 Mt Ore Per Year
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Phosphorus-Phosphates Phosphorus 25wt-pct
  • Year 1958
    Description Phosphate Rock 25.2 % P205 800000 Mt Ore Per Year
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Phosphorus-Phosphates Phosphorus 25wt-pct
  • Year 1959
    Description Phosphate Rock 25.5 % P205 870000 Mt Ore Per Year
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Phosphorus-Phosphates Phosphorus 26wt-pct
  • Year 1960
    Description Phosphate Rock 25.5 % P205 960000 Mt Ore Per Year
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Phosphorus-Phosphates Phosphorus 26wt-pct
  • Year 1961
    Description Phosphate Rock 25.4 % P205 1100000 Mt Ore Per Year
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Phosphorus-Phosphates Phosphorus 25wt-pct
  • Year 1962
    Description Phosphate Rock 25.1 % P205 730 Mt Ore Per Year
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Phosphorus-Phosphates Phosphorus 25wt-pct
  • Year 1963
    Description Phosphate Rock 25.5 % P205 620000 Mt Ore Per Year
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Phosphorus-Phosphates Phosphorus 26wt-pct
  • Year 1964
    Description Phosphate Rock 25.5 % P205 1240000 Mt Ore Per Year
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Phosphorus-Phosphates Phosphorus 26wt-pct
  • Year 1965
    Description Phosphate Rock 25.7 % P205 1750000 Mt Ore Per Year
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Phosphorus-Phosphates Phosphorus 26wt-pct
  • Year 1966
    Description Phosphate Rock 25.5 % P205 1980000 Mt Ore Per Year
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Phosphorus-Phosphates Phosphorus 26wt-pct
  • Year 1967
    Description Phosphate Rock 25.7 % P205 1220000 Mt Ore Per Year
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Phosphorus-Phosphates Phosphorus 26wt-pct
  • Year 1968
    Description Phosphate Rock 25.2 % P205 1960000 Mt Ore Per Year
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Phosphorus-Phosphates Phosphorus 25wt-pct
  • Year 1969
    Description Phosphate Rock 25.4 % P205 1610000 Mt Ore Per Year
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Phosphorus-Phosphates Phosphorus 25wt-pct
  • Year 1970
    Description Phosphate Rock 25.2 % P205 1550000 Mt Ore Per Year
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Phosphorus-Phosphates Phosphorus 25wt-pct
  • Year 1971
    Description Phosphate Rock 26.2 % P205 1260000 Mt Ore Per Year
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Phosphorus-Phosphates Phosphorus 26wt-pct
  • Year 1972
    Description Phosphate Rock 26.0 % P205 1450000 Mt Ore Per Year
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Phosphorus-Phosphates Phosphorus 26wt-pct
  • Year 1973
    Description Phosphate Rock 25.3 % P205 1630000 Mt Ore Per Year
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Phosphorus-Phosphates Phosphorus 25wt-pct
  • Year 1974
    Description Phosphate Rock 25.5 % P205 1920000 Mt Ore Per Year
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Phosphorus-Phosphates Phosphorus 26wt-pct
  • Year 1975
    Description Phosphate Rock 25.7 % P205 1320000 Mt Ore Per Year
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Phosphorus-Phosphates Phosphorus 26wt-pct
  • Year 1976
    Description Phosphate Rock 25.6 % P205 2030000 Mt Ore Per Year
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Phosphorus-Phosphates Phosphorus 26wt-pct
  • Year 1977
    Description Phosphate Rock 25.8 % P205 1560000 Mt Ore Per Year
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Phosphorus-Phosphates Phosphorus 26wt-pct
  • Year 1978
    Description Phosphate Rock 25.6 % P205 1340000 Mt Ore Per Year
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Phosphorus-Phosphates Phosphorus 26wt-pct
  • Year 1979
    Description Phosphate Rock 25.7 % P205 1464000 Mt Ore Per Year
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Phosphorus-Phosphates Phosphorus 26wt-pct
  • Year 1980
    Description Phosphate Rock 25.6 % P205 1362000 Mt Ore Per Year
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Phosphorus-Phosphates Phosphorus 26wt-pct
  • Year 1981
    Description Phosphate Rock 25.6 % P205 1490000 Mt Ore Per Year
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Phosphorus-Phosphates Phosphorus 26wt-pct
  • Year 1982
    Description Phosphate Rock 25.7 % P205 1313000 Mt Ore Per Year
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Phosphorus-Phosphates Phosphorus 26wt-pct
  • Year 1983
    Description Phosphate Rock 25.2 % P205 1480000 Mt Ore Per Year
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Phosphorus-Phosphates Phosphorus 25wt-pct
  • Year 1984
    Description Phosphate Rock 25.8 % P205 2000000 Mt Ore Per Year
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Phosphorus-Phosphates Phosphorus 26wt-pct
  • Year 1985
    Description Phosphate Rock 27.5% P2o5 779000 Mt Ore
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Phosphorus-Phosphates Phosphorus 28wt-pct
  • Year 1986
    Description Phosphate Rock 31.6% P2o5 283000 Mt Ore
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Phosphorus-Phosphates Phosphorus 32wt-pct

Workings at the site

  • Type of workings Surface
    Area 2800HA
    Field Value
    MAS Development Schedule # 1
    Mining Record # 1
    Status of Mining Method ESTIMATE
    Mining Method OPEN PIT
    Swell Factor .67
    Percent Waste Rock 86.6
    Avg. Overburden Thickness 25
    Primary Material Cover M-HARD ROCKS
    Percentage 20
    Secondary Material Cover SAND, SILT
    Percentage 80
    Hardness of Ore M-HARD ROCKS
    Avg. Bench Height (meters) 12
    Max. Pit Slope (degrees) 45
    Capacity 5920
    Capacity Units MT ORE/DAY
    Preprod. Stripping Vol. 0
    Unit Production Cost 7.29
    Units of Production $/MT ORE
    Operating Days per Year 250
    Operating Shifts per Day 2
    Year of Information 1985

Reference information

Bibliographic references

  • Production

    WORLD MINES REGISTER 1981-82, SAN FRANCISCO

  • Deposit

    BRITISH SULPHUR CORP. LTD., 1980: WORLD SURVEY OF PHOSPHATE DEPOSITS, 4TH ED., LONDON

  • Reserve-Resource

    CARTER, RUSSELL A. AN INTEGRATED INDUSTRY-PHOSPHATE MINING AND MILLING IN IDAHO. MINING ENGINEERING V. 30, NO. 1, 1978, PP. 29-36.

  • Reserve-Resource

    EMIGH, G. D. PETROGRAPHY, MINERALOGY, AND ORIGIN OF PHOSPHATE PELLETS IN THE PHOSPHORIA FORMATION, IDAHO BUREAU OF MINE AND GEOL., PAMPHLET NO. 114, 1958, 60 PP.

  • Reserve-Resource

    FOWLER, HEATH B. PHOSPHATE MINING BY THE SIMPLOT FERTILIZER COMPANY NEAR FORT HALL, IDAHO IN SYMPOSIUM OF WESTERN PHOSPHATE MINING. MINING ENGINEERING V. 1 AUGUST 1949, PP. 291-295.

  • Reserve-Resource

    GARRAND, L. J. PHOSPHATE STUDY SOUTHEASTERN IDAHO. U. S. FOREST SERVICE CONTRACT NO. 50-820. GARRAND CORP., 1975.

  • Reserve-Resource

    LI, TA M. SOUTHEASTERN IDAHO DURING MINING: HOW AN ENVIRONMENTAL IMPACT STATEMENT DESTORTS GROWTH PLANS. MINING ENGINEERING, V. 30, NO.1, 1978, PP. 25-28.

  • Reserve-Resource

    MANSFIELD, G. R. GEOGRAPHY, GEOLOGY, AND MINERAL RESOURCES OF SOUTHEASTERN IDAHO. U. S. GEOLOGICAL SURVEY PROFESSIONAL PAPER 152, 1927.

  • Reserve-Resource

    MARTIN, G. W. MINERALOGY OF PHOSPHATE OOLITES. ECONOMIC GEOLOGY, V. 53, NO. 8, 1958, PP. 1046-1048.

  • Reserve-Resource

    MCDIVITT, J. F. ECONOMIC EVALUATION OF PHOSPHATE AND OTHER MINERALS IN SOUTHERN IDAHO. IDAHO BUREAU OF MINES AND GEOL., PAMPHLET NO. 111, 1956.

  • Reserve-Resource

    POWELL, J. D. EVALUATION OF PHOSPHATE RESOURCES IN SOUTHEASTERN IDAHO. IDAHO BUREAU OF MINES AND GEOL. INFORMATION CIRC. NO. 25, 1974, 33 PP.

  • Reserve-Resource

    PRATER, LEWIS S. AGRICULTURAL MINERALS. IDAHO BUREAU OF MINES AND GEOL. INF. CIRC. NO. 3. 1958, 17. PP.

  • Reserve-Resource

    RULE, A. R., D. E. KIRBY, AND D. C. DAHLIN. RECENT ADVANCES IN BENEFICIATION OF WESTERN PHOSHATES. MINING ENGINEERING, V. 30, NO. 1, 1978, PP. 36-40.

  • Reserve-Resource

    SCHMITT, W. O. GAY MINE, FORT HALL, IDAHO. ANATOMY OF THE WESTERN PHOSPHATE FIELD, FIFTEENTH ANNUAL FIELD CONFERENCE INTERMOUNTAIN ASSOCIATION OF GEOLOGISTS, 1967.

  • Reserve-Resource

    SERVICE, A. L. AND C. C. POPOFF. AN EVALUATION OF THE WESTERN PHOSPHATE INDUSTRY AND ITS RESOURCES (IN FIVE PARTS); PART 1, INTRODUCTORY REVIEW. U. S. BUREAU OF MINES, RI 6485, 1964, 86 PP.

  • Reserve-Resource

    SERVICE, A.L. AN EVALUATION OF THE WESTERN PHOSPHATE INDUSTRY AND ITS RESOURCES (IN FIVE PARTS); PART 3, IDAHO. U. S. BUREAU OF MINES, RI 6801, 1966, 201 PP.

  • Reserve-Resource

    SERVICE, A. L. AND N. S. PETERSON. AN EVALUATION OF THE PARTS); PART 5, TRENDS AND OUTLOOK. U. S. BUREAU OF MINES, RI 6935, 1967, 131 PP.

  • Reserve-Resource

    STROWD, W. B., V. E. MITCHELL, G. S. HUSTEDDE, AND E. H. BENNETT. MINES AND PROSPECTS OF HE IDAHO FALLS QUADRANGLE, IDAHO. IDAHO BUREAU OF MINES AND GEOL., MINES AND PROSPECTS MAP SERIES, LOCATION NO. 187, 1981.

  • Reserve-Resource

    THOMPSON, M. E. DISTRIBUTION OF URANIUM IN RICH PHOSPHATE BEDS OF THE PHOSPHORIA FORMATION. U.S. GEOLOGICAL SURVEY BULL. 988-D, 1953, PP. 45-65.

  • Reserve-Resource

    THOMPSON, M. E. FURTHER STUDIES OF THE DISTRIBUTION OF URANIUM IN RICH PHOSPHATE BEDS OF THE PHOSPHORIA FORMATION. U. S. GEOLOGICAL SURVEY BULL 1099-D, 1954, PP. 107-122.

  • Reserve-Resource

    TOWN, J. W., C. W. CLARK, C. W. SANDERS, AND E. E. SULLIVAN. BATCH AND CONTINUOUS-CIRCUIT BENEFICIATION OF WESTERN PHOSPHATE ORES. U. S. BUREAU OF MINES RI 69307, 1967, 42 PP.

  • Reserve-Resource

    U. S. GEOLOGICAL SURVEY, U. S. BUREAU OF LAND MANAGEMENT, AND U. S. FOREST SERVICE. FINAL ENVIRONMENTAL IMPACT STATEMENT/DEVELOPMENT OF PHOSPHATE RESOURCES IN SOUTHEASTERN IDAHO, FOUR VOLUMES, 1978.

General comments

Subject category Comment text
Deposit DEPOSIT MINED OUT IN 1993. SHIFT OPERATIONS TO DRY VALLEY IN JULY 93. THE PRESENT ACCESS ROAD IS ADEQUATE. WATER AND ELECTRICAL POWER ARE AVAILABLE AT THE SITE.

Reporter information

Type Date Name Affiliation Comment
Reporter 05-APR-95 Buckingham, David A. U.S. Bureau of Mines
Reporter 01-JAN-83 Saam, Henning, G. Bundesanstalt Fuer Geowissenschaften und Rohstoffee (Germany)

Beyond USGS

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

Maps centered on this site