Browns Lake-Lost Creek Area

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 10293737
MAS/MILS ID 0300010536
Record type Site
Current site name Browns Lake-Lost Creek Area

Geographic coordinates

Point of reference Ore Body
Geographic coordinates: -112.82559, 45.5327 (WGS84)
Elevation 2194
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 003 S 010 W 34 C 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) -112.82559, 45.5327

Economic information

Ore body information

  • Thickness 1.5M
    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 31751000mt ore
    Total resources 33565000mt ore
    Commodity Subtype Grade units Group Importance Year
    Fluorine-Fluorite F 2 wt-pct Fluorine Trace 1970
    Uranium U 0 wt-pct Uranium Trace 1970
    Phosphorus-Phosphates P2O5 20 wt-pct Phosphorus Major 1970

Comments on the reserve resource information

  • M1 C3 RETORT MEMBER: Q50; RESOURCE BLOCK ABOVE ENTRY LEVEL, BED AREA, 9178520 SQUARE METERS; Q25, RESOURCE BLOCK ABOVE FIRST 30M BELOW ENTRY LEVEL, BED AREA 9652310 SQUARE METERS; Q10; RESOURCE BLOCK, TOTAL IN AREA, BED AREA 49980200 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 MINERALIZATION EAST OF PIONEER MTNS AND NORTH OF LOST CREEK. THUS IT INCLUDES SECS 17,20,21,28,33,34 IN T3S R10W; AND SECS. 3,10,11,14; T4S R10W APATITE OCCURES AS IOOLITIC 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-94 Benjamin U.S. Bureau of Mines

Beyond USGS

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