Federal American Mines

Past Producer in Fremont county in Wyoming, United States with commodity Uranium
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. Host and associated rocks
  9. Nearby scientific data
  10. Geologic structures
  11. Ore body information
  12. Controls for ore emplacement
  13. Economic information about the deposit and operations
  14. Mining district
  15. Ownership information
  16. Links to other databases
  17. Bibliographic references
  18. General comments
  19. Reporter information

Geologic information

Identification information

Deposit ID 10080549
MRDS ID W031829
Record type Site
Current site name Federal American Mines

Geographic coordinates

Geographic coordinates: -107.62569, 42.79162 (WGS84)
Elevation 2012
Location accuracy 5000(meters)
Relative position APPROXIMATELY 24 MILES NE OF JEFFREY CITY, WY. THE MILL IS NEAR THE CENTER OF THE SOUTH EDGE OF THE TOWNSHIP. THE ESTIMATED LOCATION IS FOR THE MILL., 2 Miles East Or West

Site location context

Political divisions (FIPS codes)

Fremont(county)

Wyoming(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Puddle Springs(quadrangle 1:24,000 scale)

Rattlesnake Hills(quadrangle 1:100,000 scale)

Casper(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Muskrat(hydrologic unit)

Big Horn(hydrologic accounting unit)

Big Horn(hydrologic subregion)

Missouri(hydrologic region)

Federal lands

Bureau of Land Management(Bureau of Land Management WY)

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

BLM(Federal land areas administered by BLM)

Geographic areas

Country State County
United States Wyoming Fremont

Public Land Survey System information

Meridian Township Range Section Fraction State
6th Principal 033N 090W Wyoming

Comments on the location information

  • THIS DISTRICT IS COMPOSED OF SAGEBRUSH-TABLESTAKES URANIUM MINE AT 42-47-20N, 107-40-08W; U.P.Z. URANIUM MINE AT 42-47-01N, 107-30-40W; CLYDE-BRET URANIUM MINE AT 42-44-17N, 107-41-24W; SUNSET URANIUM MINE AT 42-46-49N, 107-39-07W; AND BUSS-RUSS URANIUM MINE AT 42-48-04N, 107-30-01W. ALL THE ABOVE MINES ARE IN THE SAME GEOLOGIC UNITS AND ARE OWNED BY FEDERAL AMERICAN.

Commodities

Commodity Importance
Uranium Primary

Comments on the commodity information

  • THE FIRST FOUR ORE MINERALS ARE MOST COMMON IN THE OXIDIZED ZONE. THE NEXT TWO ARE MOST COMMON IN THE UNOXIDIZED ZONE. THE OTHERS ARE PRESENT IN THE AREA.

Materials information

Materials Type of material
Carnotite Ore
Coffinite Ore
Liebigite Ore
Tyuyamunite Ore
Uraninite Ore
Uranophane Ore
Pyrite Gangue

Analytical data

Result 0.15% - 0.35% U3O8
Result SOME 0.7% U3O8

Host and associated rocks

  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Sandstone
    Rock unit name Wind River (Puddle Springs Arkose Member
    Rock description Wind River (Puddle Springs Arkose Member
    Stratigraphic age (youngest) Eocene
    Stratigraphic age (youngest) Eocene

Nearby scientific data

(1) Alluvium and Colluvium

Economic information

Geologic structures

Type of structure Local
Structure description Two Periods Of Normal Faulting

Ore body information

  • Dip S
    Thickness 3.05M
    Depth to bottom 182.88M

Controls for ore emplacement

  • Structure, Permeability, Faults, Carbonaceous Material, Feo2, Caco3

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Large
Significant No
Discovery year 1953
Discoverer Neil Mcneice

Mining district

District name Gas Hills District

Ownership information

  • Type Operator
    Owner Federal American Partners,
    Home office Gas Hill Route, Riverton, Wy 82501
    First year 1980

Comments on development

  • URANIUM MILL, ENGINEERING AND EXPLORATION

Reference information

Bibliographic references

  • Deposit

    GSW BULL 50, P. 201, 207-208

  • Deposit

    GSW REPRINT 35, P. 309

  • Deposit

    ANNUAL REPORT OF THE STATE INSPECTOR OF MINES FOR THE YEAR ENDING 12/31/80.

  • Production

    ANNUAL REPORT OF THE STATE INSPECTOR OF MINES FOR THE YEAR ENDING 12-31-80.

General comments

Subject category Comment text
Deposit MINERALIZED BODIES AT DEPTHS TO MORE THAN 600 FT. SOME THICKNESSES OF 20-40 FT.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JAN-82 Barari, Rachel A. U.S. Geological Survey

Beyond USGS

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