Enoch Valley Mine

Producer in Caribou county in Idaho, United States with commodities Fluorine-Fluorite, Phosphorus-Phosphates, REE, Uranium, 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. Materials information
  8. Mineral occurrence model information
  9. Nearby scientific data
  10. Ore body information
  11. Economic information about the deposit and operations
  12. Mining district
  13. Mineral rights holdings
  14. Land status
  15. Ownership information
  16. Workings at the site
  17. Links to other databases
  18. Bibliographic references
  19. Reporter information

Geologic information

Identification information

Deposit ID 10265537
MAS/MILS ID 0160290064
Record type Deposit
Current site name Enoch Valley Mine
Alternate or previous names Area 12-C, Area 8-B, Area 11-C, North Rasmussen Ridge, West Limb, Area 9-B, Area 10-C, Area 26-G, State Lease, North Rasmussen Ridge, Monsanto, Fmc Lease

Geographic coordinates

Point of reference Pit
Geographic coordinates: -111.41547, 42.8868 (WGS84)
Elevation 2134
Location accuracy 10(meters)
Relative position Moved point to center of active mining area which is about 3 miles long trending NNE.

Site location context

Political divisions (FIPS codes)

Caribou(county)

Idaho(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Wayan West(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

ST(Federal land areas administered by ST)

Geographic areas

Country State County
United States Idaho Caribou

Public Land Survey System information

Meridian Township Range Section Fraction State
Boise 006 S 043 E 22 W2NESW Idaho

Commodities

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

Materials information

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

Mineral occurrence model information

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

Nearby scientific data

Pit (1) -111.41547, 42.8868

Economic information

Ore body information

  • Strike N40W
    Dip 55W
    Thickness 46M
    Length 2622M
    Width 238M
    Depth to top 115M
    Field Value
    MAS Matrix # 1
    Type of Orebody #1 SEDIMENTARY
    Shape of Orebody #1 TABULAR
    Primary mode of Origin SEDIMENTATION
    Secondary mode of Origin OTHER
    Primary Ore Control BEDDING
    Secondary Ore Control FAULTING
    Degree of Wallrock Alter. NONE
    Strike And Dip N40W:55W
    Minimum Depth to Top 0
    Avg. Thick. Unconsol. Mat. 5
    Min. Thick. Unconsol. Mat. 0
    Date of Last Modification 830316
  • Area 610HA
    Field Value
    Total Surface Area (HA) 610
    Date of Last Modification 910418

Economic information about the deposit and operations

Operation type Surface
Development status Producer
Commodity type Both
Significant Yes
Mining method Open Pit
Milling method Washing

Mining district

District name Blackfoot River District

Mineral rights holdings

Type of mineral rights Federal Lease

Land status

Ownership category National Forest
Area name Caribou National Forest

Ownership information

  • Type Owner-Operator
    Owner Monsanto Chemical Intermediates Co Soda Springs, Id
    Home office Idaho
    Year 1984
  • Type Owner
    Owner U.S. Bureau Of Land Management
    Year 1975
  • Type Owner
    Owner U.S. Forest Service
    Year 1984

Comments on the reserve resource information

  • RESOURCE; 1974: AREA B; LANES CREEK NW SUMMARY GARRAND REPORT: INDICATED LEVEL 5,625,000 MT NO GRADE GIVEN. RESOURCE; 1974: AREA 26AG; GARRAND REPORT; LOWER VALLEY SUMMARY INFERRED LEVEL 1,746,000 MT. NO GRADE GIVEN.
  • DATA FROM MONSANTO 1984 NO DATA AVAILABLE FOR TONNAGE AND GRADE FOR U, V, CAF2, REE CALCULATED FROM SURFACE TO 250 METERS DOWN DIP
  • A NEW MONSANTO DEVELOPMENT REPLACING THE DEPLETED HENRY/NO.HENRY MINES (#0160290055). OTHER OWNERS: U.S. BUREAU OF LAND MANAGEMENT U.S. FOREST SERVICE HAS ABOUT 8 YEARS OF LIFE LEFT AS OF 3-93. PRODUCES 900,000-1,000,000 ST/YR OF PHOSPHATE ROCK.

Workings at the site

  • Type of workings Surface
    Area 610HA
    Field Value
    MAS Development Schedule # 1
    Mining Record # 1
    Status of Mining Method PROPOSED
    Mining Method OPEN PIT
    Percent Waste Rock 76.3
    Primary Material Cover SAND, GRAVEL
    Hardness of Ore M-HARD ROCKS
    Avg. Bench Height (meters) 5
    Max. Pit Slope (degrees) 30
    Capacity 6256
    Capacity Units MT ORE/DAY
    Unit Production Cost 12.65
    Operating Days per Year 230
    Operating Shifts per Day 2
    Year of Information 1984

Comments on the workings information

  • June 2009 satellite view shows minor reclamation. In 2010, south end is reclaimed and almost not visible on satellite view.

Comments on other economic factors

  • TRANSPORTATION COSTS ARE $1.71 PER METRIC TON

Reference information

Bibliographic references

  • Deposit

    EARTH SCIENCES, INC., 1979.

  • Deposit

    EMIGH, G. D. PETROGRAPHY, MINERALOGY, AND ORIGIN OF

  • Deposit

    PHOSPHATE PELLETS IN TEE PHOSPHORIA FORMATION. ID BUREAU OF

  • Deposit

    MINES AND GEOL, PAMPHLET NO. 114, 1958, 60 PP.

  • Deposit

    GARRAND, L.J. PHOSPHATE STUDY SOUTHEASTERN IDAHO.

  • Deposit

    U.S. FOREST SERVICE CONTRACT NO. 50-820, GARRAND CORP. 1975.

  • Deposit

    GULBRANDSEN, R.A., K.P. MCLAUGHLIN, F.S. HUNKALA, AND

  • Deposit

    S.E. CLAGAUGH. GEOLOGY OF THE JOHNSON CREEK QUADRANGLE,

  • Deposit

    CARIBOU COUNTY, IDAHO. U.S. GEOL. SURV. BULL. 1042-A, 1956,

  • Deposit

    23 PP.

  • Deposit

    JOB SERVICE, POCATELLO EMPLOYMENT. V. 14, NO. 5, 1980, 1 PP.

  • Deposit

    LI, T.M. SOUTHEASTERN IDAHO PHOSPHATE DURING MINING: HOW AN

  • Deposit

    ENVIRONMENTAL IMPACT STATEMENT DISTORTS GROWTH PLANS. MIN.

  • Deposit

    ENG., V. 30, NO. 1, 1978, PP. 25-28.

  • Deposit

    LOWE, N.T., D.A. BENJAMIN, T.W. CAMM, B.B. GOSLING, AND

  • Deposit

    GD. GALE. WESTERN PHOSPHATE FIELD - SOUTHEASTERN IDAHO

  • Deposit

    PROPOSED MINES. BUMINES, WESTERN FIELD OPERATIONS CENTER,

  • Deposit

    SPOKANE, WA, 1980.

  • Deposit

    MANSFIELD, G.R. GEOGRAPHY, GEOLOGY, AND MINERAL RESOURCES

  • Deposit

    OF SOUTHEASTERN IDAHO. U.S. GEOL. SURV. PROF. PAPER 152,

  • Deposit

    1927.

  • Deposit

    MARTIN, G.W. MINERALOGY OF PHOSPATE OOLITES. ECON. GEOL.,

  • Deposit

    V. 53, NO. 8, 1958, PP. 1046-1048.

  • Deposit

    MCDIVITT, J.F. ECONOMIC EVALUATION OF PHOSPHATE AND OTHER

  • Deposit

    MINERALS IN SOUTHERN IDAHO. ID BUREAU OF MINES AND GEOL.

  • Deposit

    PAMPHLET NO. 111, 1956.

  • Deposit

    MCKELVEY, V. E. THE PHOSPHORIA, PARK CITY AND SHEDHORN

  • Deposit

    FORMATIONS IN THE WESTERN PHOSPHATE FIELD. ANATOMY OF THE

  • Deposit

    WESTERN PHOSPHATE FIELD, FIFTEENTH ANNUAL FIELD CONF.,

  • Deposit

    INTERMOUNTAIN ASSOC. OF GEOL., 1967.

  • Deposit

    MCKELVY, V.E., F.C. ARMSTRONG, R.A. GULBRANDSEN, AND

  • Deposit

    R.M. CAMPBELL. STRATIGRAPHIC SECTIONS OF THE PHOSPHORIA

  • Deposit

    FORMATION IN IDAHO, 1947-48, PART II. U.S. GEOL. SURV. CIRC.

  • Deposit

    301, 1953, PP. 38-43.

  • Deposit

    ------. STRATIGRAPHIC SECTIONS OF THE PHOSPHORIA FORMATION

  • Deposit

    IN IDAHO, 1947-48, PART II. U.S. GEOL. SURV. TRACE ELEMENTS

  • Deposit

    INVESTIGATIONS REP. 187, 1953, PP. 46-51.

  • Deposit

    MCKELVEY, V.E., D.F. DAVIDSON, F.W. O'MALLEY, AND L.E. SMITH

  • Deposit

    STRATIGRAPHIC SECTIONS OF THE PHOSPHORIA FORMATION IN IDAHO,

  • Deposit

    1947-48, PART I. U.S. GEOL. SURV. CIRC. 208, 1953, PP. 14-24

  • Deposit

    MCKELVEY, V.E., D.F. DAVIDSON, F.W. O'MALLEY, L.E. SMITH,

  • Deposit

    F.C. ARMSTRONG, AND R.P. SHELDON. STRATIGRAPHIC SECTIONS OF

  • Deposit

    THE PHOSPHORIA FORMATION IN IDAHO, 1947-48, PART I. U.S.

  • Deposit

    GEOL. SURV. TRACE ELEMENTS INVESTIGATIONS REP. 183, 1952,

  • Deposit

    PP. 18-28.

  • Deposit

    MONSANTO CHEMICAL INTERMEDIATES CO. ENOCH VALLEY OPERATING

  • Deposit

    PLAN, FEDERAL LEASE ID-015122, CARIBOU COUNTY, IDAHO. JUNE

  • Deposit

    28, 1984, 16 PP. AND APPENDICES.

  • Deposit

    MONTGOMERY, K.M. AND T.M. CHENCY. GEOLOGY OF THE STEWART

  • Deposit

    FLAT QUADRANGLE, CARIBOU COUNTY, IDAHO. U.S. GEOL. SURV.

  • Deposit

    BULL. 1217, 1967.

  • Deposit

    MINING ENGINEERING. ALUMETS DIAMOND CREEK READIES FOR PRO-

  • Deposit

    DUCTION. JAN. 1978, PP. 35-36.

  • Deposit

    ATWOOD, G. MONSTANTO CHEMICAL INTERMEDIATES COMPANY. PERS.

  • Deposit

    COMM. WITH T.M. SWEENEY, WFOC, AUGUST 1984.

  • Deposit

    BENJAMIN, D. A. AND B. B. GOSLING. GARRISON DISTRICT, POWELL

  • Deposit

    COUNTY, MONTANA. BUMINES, WESTERN FIELD OPERATIONS CENTER,

  • Deposit

    SPOKANE, WA. 1980.

  • Deposit

    BRUNELLE, A. B. REGULATIONS AND POLICIES PERTAINING TO

  • Deposit

    FEDERAL PHOSPHATE DEPOSITS IN THE WESTERN FIELD. ANATOMY OF

  • Deposit

    THE WESTERN PHOSPATE FIELD, FIFTEENTH ANNU. FIELD CONF.,

  • Deposit

    INTERMOUNTAIN ASSOC. OF GEOL, 1967.

  • Deposit

    CARTER., R. A. AN INTEGRATED INDUSTRY - PHOSPHATE MINING

  • Deposit

    AND MILLING IN IDAHO. MIN. ENG., V. 30, NO. 1, 1978,

  • Deposit

    PP, 19-36.

  • Deposit

    CLEVENGER, G. W. EXTRACTION OF VANADIUM FROM PHOSPHOROUS

  • Deposit

    SLAGS AT VITRO CHEMICAL COMPANY. ANATOMY OF THE WESTERN

  • Deposit

    PHOSPHATE FIELD, FIFTEENTH ANNU. FIELD CONF., INTERMOUNTAIN

  • Deposit

    ASSOC. OF GEOL., 1967.

  • Deposit

    COLEMAN, R. B. EL PASO NATURAL GAS PRODUCTS COMPANY, EPCO

  • Deposit

    AGRI CHEMICAL COMPLEX, CONDA, IDAHO. ANATOMY OF THE WESTERN

  • Deposit

    CRESSMAN, E. R. AND R. A. GULBRANDSEN, GEOLOGY OF THE DRY

  • Deposit

    VALLEY QUADRANGLE, IDAHO. U.S. GEOL. SURV. BULL. 1015-I,

  • Deposit

    1955, PP. 357-270.

  • Deposit

    DAVIDSON, D. F. STRATIGRAPHIC SECTIONS OF THE PHOSPHORIA

  • Deposit

    FORMATION IN IDAHO. U.S. GEOL. SURV. CIRC. 305, PT. 1, 1953.

  • Deposit

    DAY, R. L. TRENDS IN THE PHOSPHATE INDUSTRY OF IDAHO AND THE

  • Deposit

    WESTERN PHOSPHATE FIELD. ID BUREAU OF MINES AND GEOL.

  • Deposit

    PAMPHLET 155, 1973, 63 P.

  • Deposit

    DE VOTO, R. H. AND D. N. STEVENS. URANIFEROUS PHOSPHATE

  • Deposit

    RESOURCES AND RECHNOLOGY AND ECONOMICS OF URANIUM RECOVERY

  • Deposit

    FROM PHOSPHATE RESOURCES, UNITED STATES AND FREE WORLD.

  • Deposit

    DEPT. OF ENERGY CONTRACT NO. GJBX-110(79).

  • Deposit

    O'MALLEY, F.W., D.F. DAVIDSON, R.A. HOPPIN, AND R.P. SHELDON

  • Deposit

    1947-48, PART III. U.S. GEOLOGICAL SURVEY CIRC. 262, 1953,

  • Deposit

    PP. 24-26.

  • Deposit

    IN IDAHO, 1947-48, PART III. U.S.GEOLOGICAL SURVEY TRACE ELEMENTS

  • Deposit

    INVESTIGATIONS REP. 188, 1953, PP. 20-22.

  • Deposit

    POWELL, J.D. EVALUATION OF PHOSPHATE RESOURCES IN SOUTHEAST-

  • Deposit

    ERN IDAHO. ID BUREAU OF MINES AND GEOL. IC NO. 25, 1974,

  • Deposit

    33 PP.

  • Deposit

    RANEY, R.G. HENRY MINE (MONSANTO CHEMICAL INTERMEDIATES CO.)

  • Deposit

    CARIBOU COUNTY, IDAHO. UPDATE 2, JANUARY, 1984.

  • Deposit

    RICHARDS,R.W. GEOLOGY OF THE PHOSPHATE DEPOSITS NORTHEAST OF

  • Deposit

    GEORGETOWN, IDAHO. U.S. GEOL. SURV. BULL. 577, 1914.

  • Deposit

    RIOUX, R.L. GEOLOGIC MAP OF THE UPPER VALLEY QUADRANGLE,

  • Deposit

    CARIBOU COUNTY, IDAHO. U.S. GEOL SURV. MAP GQ-1194, 1975.

  • Deposit

    RULE, A.R., D.E. KIRBY, AND D.C. DAHLIN. RECENT ADVANCES IN

  • Deposit

    BENEFICIATION OF WESTERN PHOSPHATES. MIN. ENG., V. 30,

  • Deposit

    NO. 1, 1978, PP. 36-40.

  • Deposit

    SCHMITT, W.O. GAY MINE, FORT HALL, IDAHO. ANATOMY OF THE

  • Deposit

    WESTERN PHOSPHATE FIELD, FIFTEENTH ANNU. FIELD CONF.,

  • Deposit

    SCHWARZ, D.A. HISTORY OF THE CONDA OPERATION UNDERGROUND TO

  • Deposit

    THE WESTERN PHOSPHATE FIELD, FIFTEENTH ANNU. FIELD CONF.,

  • Deposit

    SERVICE, A.L. AND C.C. POPOFF. AN EVALUATION OF THE WESTERN

  • Deposit

    PHOSPHATE INDUSTRY AND ITS RESOURCES (IN FIVE PARTS); PART I

  • Deposit

    INTRODUCTORY REVIEW. BUMINES RI 6485, 1964, 86 PP.

  • Deposit

    SERVICE, A.L. AN EVALUATION OF THE WESTERN PHOSPHATE

  • Deposit

    INDUSTRY AND ITS RESOURCES (IN FIVE PARTS); PART 3, IDAHO.

  • Deposit

    BUMINES RI 6801, 1966, 201 PP.

  • Deposit

    ------. HISTORY AND DEVELOPMENT OF THE PHOSPHATE INDUSTRY

  • Deposit

    IN SOUTHEASTERN IDAHO. ANATOMY OF THE WESTERN PHOSPHATE

  • Deposit

    FIELD, FIFTEENTH ANNU. FIELD CONF., INTERMOUNTAIN ASSOC. OF

  • Deposit

    GEOL., 1967.

  • Deposit

    SECIE, AL.L AND N.S. PETERSEN. AN EVALUATION OF THE WESTERN

  • Deposit

    PHOSPHATE INDUSTRY AND ITS RESOURCES (IN FIVE PARTS);

  • Deposit

    PART 5, TRENDS AND OUTLOOK. BUMINES RI 6935, 1967, 131 PP.

  • Deposit

    SHELDON, R.P., M.A. WARNER, M.E. THOMPSON, AND H.W. PIERCE.

  • Deposit

    1949, PART 1, .S. GEOL. SURV CIRC. 304., 1953.

  • Deposit

    ------. STRATIGRAPHIC SECTINS OF THE PHOSPHORIA FORMATION IN

  • Deposit

    IN IDAHO, 1949, PART 1. U.S. GEOLOGICAL SURVEY TRACE ELEMENTS

  • Deposit

    INVESTIGATINS REP. 364, 1953, PP 10-15.

  • Deposit

    STAMAN, O.D. AN OVERVIEW OF THE WESTERN U.S. PHOSPHATE

  • Deposit

    INDUSTRY. PRES. AT THE 84TH ANNU. CONVENTION OF THE NORTH-

  • Deposit

    WEST MINING ASSOC., SPOKANE, WA, 1978.

  • Deposit

    STOWASSER, W.F. PHOSPHATE ROCK. BUMINES MINERAL FACTS AND

  • Deposit

    PROBLEMS, 1975.

  • Deposit

    ------. PHOSPHATE, MINERAL COMMODITY PROFILES, MCP-2.

  • Deposit

    BUMINES, 1977.

  • Deposit

    THOMPSON, M.E. DISTRIBUTION OF URANIUM IN RICH PHOSPHATE

  • Deposit

    BEDS OF THE PHOSPHORIA FORMATION. U.S. GEOL. SURV.

  • Deposit

    BULL. 988-D, 1953, PP. 45-65.

  • Deposit

    ------. FURTHER STUDIES OF THE DISTRIBUTION OF URANIUM IN

  • Deposit

    RICH PHOSPHATE BEDS OF THE PHOSPHORIA FORMATION. U.S. GEOL.

  • Deposit

    SURV. BULL. 1009-D, 1954, PP. 107-122.

  • Deposit

    U.S. FOREST SERVICE, U.S. GEOLOGICAL SURVEY, AND THE

  • Deposit

    J. R. SIMPLOT COMPANY. ENVIRONMENTAL IMPACT STATEMENT FACT

  • Deposit

    SHEET - SCOPE OF WORK, SMOKEY CANYON MINE, IDAHO MINE PLAN,

  • Deposit

    1980.

  • Deposit

    U.S. GEOLOGICAL SURVEY, U.S. BUREAU OF LAND MANAGEMENT,

  • Deposit

    AND U.S. FOREST SERVICE. FINAL ENVIRONMENTAL IMPACT STATE-

  • Deposit

    MENT/DEVELOPMENT OF PHOSPHATE RESOURCES IN SOUTHEASTERN

  • Deposit

    IDAHO. FOUR VOLUMES, 1978.

  • Deposit

    WILLIAMS, G.A. AND H.J. HOLSTEIN. GEOLOGY OF SOUTHEASTERN

  • Deposit

    IDAHO CENTRAL POSPHATE REGION ANATOMY OF THE WESTERN

  • Deposit

    YOUNG, W.A., G.M. PUGH, G.D. VANDERSLUIS, AND V. LIM.

  • Deposit

    IMPROVED ORE RECOVERY FORM PHOSPHATE OPEN PITS IN THE

  • Deposit

    PHOSPHORIA FORMATION. U.S. BUMINES CONTRACT JO285017, DRAVO

  • Deposit

    CORP., 1980, 319 PP.

Reporter information

Type Date Name Affiliation Comment
Reporter 11-OCT-96 Spear, James M. U.S. Bureau of Mines
Updater 26-OCT-10 Causey, J. Douglas U.S. Geological Survey Fixed location, added Model

Beyond USGS

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