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Siderock-Green Horn Area

Prospect in Beaverhead 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 10172287
MAS/MILS ID 0300010533
Record type Site
Current site name Siderock-Green Horn Area

Geographic coordinates

Point of reference Ore Body
Geographic coordinates: -112.34726, 44.7424 (WGS84)
Elevation 2377
Location accuracy 100(meters)

Site location context

Political divisions (FIPS codes)

Beaverhead(county)

Montana(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Lima Dam(quadrangle 1:24,000 scale)

Lima(quadrangle 1:100,000 scale)

Dubois(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Red Rock(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 Beaverhead

Public Land Survey System information

Meridian Township Range Section Fraction State
Montana Principal 012 S 006 W 33 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) -112.34726, 44.7424
ListMap

Economic information

Ore body information

  • Thickness 1.9M
    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 1.2M
    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 1.4M
    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

Development status Prospect
Commodity type Both
Significant No

Mineral rights holdings

Type of mineral rights Federal Lease

Land status

Ownership category Federal

Reserves and resources

  • Type In-situ
    Estimate year 1970
    Inferred 9071800mt ore
    Total resources 11339000mt ore
    Commodity Subtype Grade units Group Importance Year
    Phosphorus-Phosphates P2O5 20 wt-pct Phosphorus Major 1970
    Uranium U 0.007 wt-pct Uranium Trace 1970
    Fluorine-Fluorite F 2 wt-pct Fluorine Trace 1970
  • Type In-situ
    Estimate year 1970
    Inferred 1360700mt ore
    Total resources 1632899mt ore
    Commodity Subtype Grade units Group Importance Year
    Phosphorus-Phosphates P2O5 26.5 wt-pct Phosphorus Major 1970
    Uranium U 0.008 wt-pct Uranium Trace 1970
    Fluorine-Fluorite F 2.6499 wt-pct Fluorine Trace 1970
  • Type In-situ
    Estimate year 1970
    Inferred 2721500mt ore
    Total resources 3356500mt ore
    Commodity Subtype Grade units Group Importance Year
    Phosphorus-Phosphates P2O5 20 wt-pct Phosphorus Major 1970
    Uranium U 0.007 wt-pct Uranium Trace 1970
    Fluorine-Fluorite F 2 wt-pct Fluorine Trace 1970

Comments on the reserve resource information

  • M1 C3 RETORT MEMBER: Q50; RESOURCE BLOCK ABOVE ENTRY LEVEL, BED AREA 3093570 SQUARE METERS; Q25, RESOURCE BLOCK ABOVE FIRST 30M BELOW ENTRY LEVEL, BED AREA 3799610 SQUARE METERS; Q10; TOTAL RESOURCE IN AREA, BED AREA 64008100 SQUARE METERS M2C3 MEADE PEAK MEMBER: Q50, RESOURCE LBOCK ABOVE ENTRY LEVEL, BED AREA 1161250; Q25, RESOURCE BLOCK ABOVE FIRST 30M BELOW ENTRY LEVEL, BED AREA 1495690 SQUARE METERS; Q10, TOTAL RESOURCE IN AREA, BED AREA 49794400 SQUARE METERS.

Reference information

Bibliographic references

  • Reserve-Resource

    SWANSON, ROGER, 1970, MINERAL RESOURCES IN PERMIAN ROCKS OF

  • Reserve-Resource

    SOUTHWEST MONTANA, USGS PROF. PAPER 313-E, P. 661-777

General comments

Subject category Comment text
Deposit THIS RECORD IS FOR A LARGE AREA COVERING THE PHOSPHATE MINERALIZATION IN THE SOUTHERN SNOWCREST RANGE. THUS IT INCLUDES SECS 17,18,19 IN T12S R5W; SECS. 24,25,26,27,28, 32,33,35 IN T12S R6W; SECS, 5,6 T13S R6W; AND SECS. 11, 12,14,15,22,27,28,31,32,33, IN T13S R7W DEPOSIT SEQ NO. 0300010518 AND 0300010521 ARE LOCATED IN THIS AREA APATITE OCCURES AS OOLITIC TO PELLETAL GRAINS THAT ARE VERY FINE TO MEDIUM SAND SIZE, NODULES ARE LOCALLY COMMON

Reporter information

Type Date Name Affiliation Comment
Reporter 27-FEB-1984 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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