Ivanhoe Mine

Past Producer in Beaverhead county in Montana, United States with commodity Tungsten
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. Nearby scientific data
  9. Ore body information
  10. Economic information about the deposit and operations
  11. Mining district
  12. Mineral rights holdings
  13. Land status
  14. Ownership information
  15. Production statistics
  16. Workings at the site
  17. Links to other databases
  18. Bibliographic references
  19. Reporter information

Geologic information

Identification information

Deposit ID 10269122
MRDS ID W016864
MAS/MILS ID 0300010003
Record type Site
Current site name Ivanhoe Mine
Alternate or previous names Browns Lake Tungsten

Geographic coordinates

Point of reference Pit
Geographic coordinates: -112.83699, 45.5213 (WGS84)
Elevation 2073
Location accuracy 10(meters)

Site location context

Political divisions (FIPS codes)

Beaverhead(county)

Montana(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Storm Peak(quadrangle 1:24,000 scale)

Butte South(quadrangle 1:100,000 scale)

Dillon(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Big Hole(hydrologic unit)

Missouri Headwaters(hydrologic accounting unit)

Missouri Headwaters(hydrologic subregion)

Missouri(hydrologic region)

Federal lands

Beaverhead-Deerlodge 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 Montana Beaverhead

Public Land Survey System information

Meridian Township Range Section Fraction State
Montana Principal 004 S 010 W 04 NESENE Montana

Commodities

Commodity Importance
Tungsten Critical Primary

Materials information

Materials Type of material
Bornite Unknown
Calcite Unknown
Chalcopyrite Unknown
Covellite Unknown
Garnet Unknown
Powellite Unknown
Quartz Unknown
Scheelite Unknown

Nearby scientific data

Pit (1) -112.83699, 45.5213

Economic information

Ore body information

  • Strike N50W
    Dip 35W
    Thickness 30M
    Length 146M
    Width 34M
    Area 20HA
    Depth to top 30M
    Field Value
    Type of Orebody #1 REPLACEMENT
    Shape of Orebody #1 TABULAR
    Type of Orebody #2 BRECCIA FILL
    Shape of Orebody #2 IRREGULAR
    Type of Orebody #3 SHEAR ZONE
    Primary mode of Origin CONT METASOMATIC
    Secondary mode of Origin METAMORPHISM
    Primary Ore Control CONTACT ZONE
    Secondary Ore Control LITHOLOGY
    Degree of Wallrock Alter. MODERATE
    Type of Wallrock Alter. #1 UNKNOWN
    Strike And Dip N50W:35W
    Minimum Depth to Top 0
    Avg. Thick. Unconsol. Mat. 30
    Min. Thick. Unconsol. Mat. 0
    Total Surface Area (HA) 20
    Date of Last Modification 830316

Economic information about the deposit and operations

Operation type Surface
Development status Past Producer
Commodity type Metallic
Significant No

Mining district

District name Lost Creek District

Mineral rights holdings

Type of mineral rights Patented
Type of mineral rights Located Claim

Land status

Ownership category National Forest

Ownership information

  • Type Owner
    Owner Refractory Metals (General Electric, Cleveland,Ohio)
    Home office Ohio
    Year 1981

Production statistics

  • Year 1957
    Description Short Tons Of Ore Produced Thru 1957 625000 Cummulative Ore Produced

Workings at the site

  • Type of workings Surface
    Area 11HA
    Field Value
    MAS Development Schedule # 1
    Mining Record # 1
    Status of Mining Method PROPOSED
    Mining Method OPEN PIT
    Swell Factor .65
    Percent Waste Rock 60
    Avg. Overburden Thickness 25
    Primary Material Cover M-HARD ROCKS
    Percentage 80
    Secondary Material Cover SAND, SILT
    Percentage 20
    Hardness of Ore M-HARD ROCKS
    Avg. Bench Height (meters) 9
    Max. Pit Slope (degrees) 45
    Capacity 200
    Capacity Units MT ORE/DAY
    Preprod. Stripping Vol. 0
    Unit Production Cost 18.18
    Units of Production $/MT ORE
    Operating Days per Year 350
    Operating Shifts per Day 1
    Year of Information 1981

Reference information

Bibliographic references

  • Deposit

    AMERICAN ALLOY METALS, INC., 1953, CROSS SECTION DIAGRAMS:

  • Deposit

    AMERICAN ALLOY METALS INC. (US BUREAU OF MINES MINERAL

  • Deposit

    PROPERTY FILE, WFOC)

  • Deposit

    GEACH, R.D., 1972, MINES AND MINERAL DEPOSITS (EXCEPT

  • Deposit

    FUELS), BEAVERHEAD COUNTY, MONTANA: MONTANA BUREAU

  • Deposit

    OF MINES AND GEOLOGY BULLETIN, NO. 85, P. 124-127.

  • Deposit

    LICKS, M.R., AND MEYERS, W.B., 1957, AMERICAN ALLOY METALS

  • Deposit

    INC., BROWNS LAKE DEPOSIT (IVANHOE CLAIM): DEPT. OF

  • Deposit

    THE INTERIOR, DEFENSE MINERAL EXPLORATION (DMEA)

  • Deposit

    CONTRACT, NO. IDM-E247 (ALSO E-105 AND E-127), 28P.

  • Deposit

    NATIONAL OCEANIC AND ATMOSPHERIC ADMINISTRATION (NOAA),

  • Deposit

    1970, MONTHLY NORMALS OF TERMPERATURES, PRCIPITATION,

  • Deposit

    AND HEATING AND COOLING DEGREE DAYS: US DEPT. OF

  • Deposit

    COMMERCE.

  • Deposit

    PATTEE, E.C., 1960, TUNGSTEN RESOURCES OF MONTANA: DEPOSITS

  • Deposit

    OF THE MOUNT TORREY BATHOLITH, BEAVERHEAD COUNTY: US

  • Deposit

    BUREAU OF MINES, R.I. NO. 5552, P. 6-11.

  • Deposit

    ROBY, R.N., 1953, BROWNS LAKE TUNGSTEN DEPOSIT: AMERICAN

  • Deposit

    ALLOY METALS INC., WFOC BACK-UP FILES.

  • Deposit

    STOUT, KOEHLER, AND ACKERMAN, WALTER, 1957, DIRECTORY OF

  • Deposit

    MINING ENTERPRISES, 1957: MONTANA BUREAU OF MINES AND

  • Deposit

    GEOLOGY IC 20, P. 5.

  • Deposit

    U.S. DEPT. OF COMMERCE, 1956, MATERIALS SURVEY (TUNGSTEN):

  • Deposit

    OFFICE OF DEFENSE MOBILIZATION, U.S. DEPT. OF COMMERCE,

  • Deposit

    P. II-7.

  • Deposit

    U.S. BUREAU OF MINES, 1952, METALURGICAL REPORT OF BROWNS

  • Deposit

    LAKE TUNGSTEN DEPOSIT: U.S. BUREAU OF MINES MINERAL

  • Deposit

    PROPERTY FILE, WFOC, 3P.

  • Deposit

    -----, 1981, MINERAL PROPERTY FILES AND MINE MAP REPOSITORY,

  • Deposit

    U.S. BUREAU OF MINES, WFOC.

  • Deposit

    NOTE: THIS MINE HAS BEEN ABSORBED BY THE OPEN PIT OF THE

  • Deposit

    LENTUNG MINE.

Reporter information

Type Date Name Affiliation Comment
Reporter 05-APR-95 Sweeney, Thomas M. U.S. Bureau of Mines

Beyond USGS

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

External references