Lost Creek-Willow Creek Syncline

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

Geologic information

Identification information

Deposit ID 10269383
MAS/MILS ID 0300010537
Record type Site
Current site name Lost Creek-Willow Creek Syncline

Geographic coordinates

Point of reference Ore Body
Geographic coordinates: -112.80089, 45.4685 (WGS84)
Elevation 2134
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

Twin Adams Mountain(quadrangle 1:24,000 scale)

Dillon(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 22 E2E2SE 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) -112.80089, 45.4685

Economic information

Ore body information

  • Thickness 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

Economic information about the deposit and operations

Operation type Surface
Development status Occurrence
Commodity type Both
Significant No

Land status

Ownership category National Forest

Reserves and resources

  • Type In-situ
    Estimate year 1970
    Inferred 5443100mt ore
    Total resources 7257400mt ore
    Commodity Subtype Grade units Group Importance Year
    Phosphorus-Phosphates P2O5 20 wt-pct Phosphorus Major 1970
    Uranium U 0 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 1458530 SQUARE METERS; Q25; RESOURCE BLOCK BOVE FIRST 30M BELOW ENTRY LEVEL, BED AREA 1867290 SQUARE METERS; Q10; RESOURCE BLOCK, TOTAL IN AREA, BED AREA 51373700 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. 702, 759.

  • Deposit

    USGS CIR. 260, P. 14.

General comments

Subject category Comment text
Deposit THIS RECORD IS FOR A LARGE AREA COVERING THE PHOSPHATE MINERALIZATION OF THE AREA EAST OF THE PIONEER MTNS LOCATED BETWEEN LOST AND BIRCH CREEKS. THUS IT INCLUDES SECS 14,23, 26,35 IN T4SR10W; AND SECS. 2,11,12,13,14 IN T5S R10W DEPOSIT SEQ NO. 0300010515 IS LOCATED IN THIS AREA APPTITE 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 15-AUG-1994 Benjamin U.S. Bureau of Mines

Beyond USGS

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