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  3. Mineral Resource Data System (MRDS)

Maiden Rock Mine

Past Producer in Silver Bow county in Montana, United States with commodities Fluorine-Fluorite, Phosphorus-Phosphates, 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. Nearby scientific data
  9. Ore body information
  10. Economic information about the deposit and operations
  11. Mining district
  12. Land status
  13. Ownership information
  14. Links to other databases
  15. Bibliographic references
  16. Reporter information

Geologic information

Identification information

Deposit ID 10270058
MAS/MILS ID 0300930095
Record type Site
Current site name Maiden Rock Mine

Geographic coordinates

Point of reference Main Entrance
Geographic coordinates: -112.73509, 45.6949 (WGS84)
Elevation 1646
Location accuracy 100(meters)

Site location context

Political divisions (FIPS codes)

Silver Bow(county)

Montana(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Melrose(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

Bureau of Land Management(Bureau of Land Management MT)

Bureau of Land Management MT BLM(Type of land area)

BLM(Federal land areas administered by BLM)

Geographic areas

Country State County
United States Montana Silver Bow

Public Land Survey System information

Meridian Township Range Section Fraction State
Montana Principal 002 S 009 W 05 C SENE Montana

Commodities

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

Materials information

Materials Type of material
Calcite Unknown
Collophane Unknown
Dolomite Unknown
Gypsum Unknown
Limonite Unknown
Mica Unknown
Montmorillonite Unknown
Quartz Unknown

Nearby scientific data

Main Entrance (1) -112.73509, 45.6949
ListMap

Economic information

Ore body information

  • Strike N35W
    Dip 45W
    Field Value
    Type of Orebody #1 SEDIMENTARY
    Shape of Orebody #1 TABULAR
    Primary mode of Origin SEDIMENTATION
    Primary Ore Control BEDDING
    Secondary Ore Control LITHOLOGY
    Degree of Wallrock Alter. NONE
    Strike And Dip N35W:45W
    Date of Last Modification 790615

Economic information about the deposit and operations

Operation type Underground
Development status Past Producer
Commodity type Both
Significant No
Discovery year 1947
Year of first production 1951

Mining district

District name Melrose District

Land status

Ownership category National Forest

Ownership information

  • Type Owner
    Owner U.S. Government Lease
    Interest 100
    Year 1979
  • Type Operator
    Owner Victor Chemical Works
    Interest 100
    Year 1965

Reference information

Bibliographic references

  • Deposit

    USGS 7.5' QUAD. MELROSE, 1961

  • Deposit

    POPOFF, C.C., 1965, AN EVALUATION OF THE WESTERN PHOSPHATE

  • Deposit

    INDUSTRY AND ITS RESOURCES, PART 2, MONTANA, USBM RI 6611,

  • Deposit

    P. 82.

  • Deposit

    LUFT, STANLEY, 1958, NORTHERN PACIFIC RAILWAY COMPANY,

  • Deposit

    PROPERTIES AND INDUSTRIAL DEVELOPMENT DEPARTMENT, PHOSPHAT

  • Deposit

    REPORT, P. 68.

  • Deposit

    SWANSON, R.W., 1970, MINERAL RESOURCES IN PERMIAN ROCKS OF

  • Deposit

    SW MONTANA; USGS PROF PAPER 313-E, P. 696.

Reporter information

Type Date Name Affiliation Comment
Reporter 27-FEB-84 Benjamin U.S. Bureau of Mines

Beyond USGS

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

External references

Maps centered on this site