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Brock Creek Area

Producer in Powell county in Montana, United States with commodities Chromium, Fluorine-Fluorite, Nickel, Phosphorus-Phosphates, 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. Nearby scientific data
  8. Ore body information
  9. Economic information about the deposit and operations
  10. Mineral rights holdings
  11. Land status
  12. Reserves and resources
  13. Links to other databases
  14. Bibliographic references
  15. General comments
  16. Reporter information

Geologic information

Identification information

Deposit ID 10148974
MAS/MILS ID 0300770272
Record type Site
Current site name Brock Creek Area

Geographic coordinates

Point of reference Ore Body
Geographic coordinates: -112.82011, 46.63319 (WGS84)
Elevation 1890
Location accuracy 100(meters)

Site location context

Political divisions (FIPS codes)

Powell(county)

Montana(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Windy Rock(quadrangle 1:24,000 scale)

Elliston(quadrangle 1:100,000 scale)

Butte(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Upper Clark Fork(hydrologic unit)

Pend Oreille(hydrologic accounting unit)

Kootenai-Pend Oreille-Spokane(hydrologic subregion)

Pacific Northwest(hydrologic region)

Geographic areas

Country State County
United States Montana Powell

Public Land Survey System information

Meridian Township Range Section Fraction State
Montana Principal 010 N 010 W 11 Montana

Commodities

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

Nearby scientific data

Ore Body (1) -112.82011, 46.63319
ListMap

Economic information

Ore body information

  • Thickness 1.2M
    Depth to top 5M
    Field Value
    MAS Matrix # 1
    MAS Column # 3
    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
    Minimum Depth to Top 0
    Avg. Thick. Unconsol. Mat. 5
    Min. Thick. Unconsol. Mat. 0
    Date of Last Modification 830316
  • Thickness 1.5M
    Depth to top 5M
    Field Value
    MAS Matrix # 2
    MAS Column # 3
    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
    Minimum Depth to Top 0
    Avg. Thick. Unconsol. Mat. 5
    Min. Thick. Unconsol. Mat. 0
    Date of Last Modification 830316
  • Thickness 1.5M
    Depth to top 5M
    Field Value
    MAS Matrix # 3
    MAS Column # 3
    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
    Minimum Depth to Top 0
    Avg. Thick. Unconsol. Mat. 5
    Min. Thick. Unconsol. Mat. 0
    Date of Last Modification 830316

Economic information about the deposit and operations

Operation type Underground
Development status Producer
Commodity type Both
Significant No
Discovery year 1913

Mineral rights holdings

Type of mineral rights Federal Lease

Land status

Ownership category Federal

Reserves and resources

  • Type In-situ
    Estimate year 1973
    Inferred 4082300mt ore
    Total resources 4545900mt ore
    Commodity Subtype Grade units Group Importance Year
    Phosphorus-Phosphates P2O5 32 wt-pct Phosphorus Major 1973
    Fluorine-Fluorite F 3.2 wt-pct Fluorine Trace 1973
    Uranium U 0.0003 wt-pct Uranium Trace 1973
  • Type In-situ
    Estimate year 1973
    Inferred 5443100mt ore
    Total resources 5987400mt ore
    Commodity Subtype Grade units Group Importance Year
    Phosphorus-Phosphates P2O5 30 wt-pct Phosphorus Major 1973
    Fluorine-Fluorite F 3 wt-pct Fluorine Trace 1973
    Uranium U 0.0003 wt-pct Uranium Trace 1973
  • Type In-situ
    Estimate year 1973
    Inferred 5443100mt ore
    Total resources 5987400mt ore
    Commodity Subtype Grade units Group Importance Year
    Phosphorus-Phosphates P2O5 30 wt-pct Phosphorus Major 1973
    Fluorine-Fluorite F 3 wt-pct Fluorine Trace 1973
    Uranium U 0.0003 wt-pct Uranium Trace 1973

Comments on the reserve resource information

  • M1 C3 RETORT MEMBER: Q50; RESOURCE BLOCK ABOVE ENTRY LEVEL, BED AREA 1950900 SQUARE METERS; Q25, RESOURCE BLOCK ABOVE FIRST 30M BELOW ENTRY LEVEL, BED AREA 2192440 SQUARE METERS; Q10, TOTAL RESOURCE IN AREA, BED AREA 40225700 SQUARE METERS

Reference information

Bibliographic references

  • Reserve-Resource

    SWANSON, ROGER, 1973, GEOLOGY AND PHOSPHATE DEPOSITS OF THE

  • Reserve-Resource

    PERMIAN ROCKS IN CENTRAL WESTERN MONTANA, USGS PROF. PAPER

  • Reserve-Resource

    313-F, P. 779-833.

General comments

Subject category Comment text
Deposit THIS RECORD IS FOR A LARGE AREA COVERING THE PHOSPHATE MINERALIZATION IN THE BROCK CREEK AREA. THUS IT INCLUDES SECS. 14, 10, 13-15, 24-21, 25-28, 36-33 IN T10N R 10W. PHOSPHATE OCCURES MOSTLY IN FINE TO MEDIUM-COARSE PELLETS AND OOLITES.

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.

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