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  3. Mineral Resource Data System (MRDS)

Mill Creek Chromite

Occurrence in Albany county in Wyoming, United States with commodities Chromium, Iron, Talc-Soapstone
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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. Materials information
  8. Nearby scientific data
  9. Ore body information
  10. Economic information about the deposit and operations
  11. Mining district
  12. Mineral rights holdings
  13. Reserves and resources
  14. Links to other databases
  15. Bibliographic references
  16. General comments
  17. Reporter information

Geologic information

Identification information

Deposit ID 10205206
MAS/MILS ID 0560010017
Record type Site
Current site name Mill Creek Chromite
Alternate or previous names Halleck Canyon Area Chromite, Halleck Canyon Chromite

Geographic coordinates

Point of reference Ore Body
Geographic coordinates: -105.41451, 41.86327 (WGS84)
Elevation 2100
Location accuracy 1000(meters)

Site location context

Political divisions (FIPS codes)

Albany(county)

Wyoming(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Guide Rock(quadrangle 1:24,000 scale)

Rock River(quadrangle 1:100,000 scale)

Cheyenne(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Lower Laramie(hydrologic unit)

North Platte(hydrologic accounting unit)

North Platte(hydrologic subregion)

Missouri(hydrologic region)

Geographic areas

Country State County
United States Wyoming Albany

Public Land Survey System information

Meridian Township Range Section Fraction State
6th Principal 022 N 072 W 24 C NWSE Wyoming

Commodities

Commodity Importance
Chromium Critical Tertiary
Iron Tertiary
Talc-Soapstone Tertiary

Materials information

Materials Type of material
Chromite Unknown
Serpentine Unknown

Nearby scientific data

Ore Body (1) Granite gneiss
ListMap

Economic information

Ore body information

  • Field Value
    MAS Matrix # 1
    MAS Column # 1
    Type of Orebody #1 FISSURE VEIN
    Shape of Orebody #1 IRREGULAR
    Type of Orebody #2 SHEAR ZONE
    Primary mode of Origin HYDROTHERMAL
    Secondary mode of Origin MAGMATIC DIFFER
    Primary Ore Control FRACTURING
    Secondary Ore Control FAULTING
    Type of Wallrock Alter. #1 UNKNOWN
    Date of Last Modification 960617

Comments on the geologic information

  • FIELDS, 1963, INDICATES THAT "ONE SAMPLE OF A TYPICAL CHROMITE REVEALED 9.3% ELEMENTAL CHROMIUM, AND A SAMPLE OF THE DISSEMINATED CHROMITE CONTAINED 0.87% ELEMENTAL CHROMIUM"

Economic information about the deposit and operations

Operation type Surface
Development status Occurrence
Commodity type Both
Significant No
Discovery year 1961

Mining district

District name Laramie Range District

Mineral rights holdings

Type of mineral rights Unknown

Reserves and resources

  • Type In-situ
    Estimate year 1977
    Inferred 60000mt ore
    Total resources 60000mt ore
    Commodity Subtype Grade units Group Importance Year
    Iron Fe2O3 31 wt-pct Iron Trace 1977

Reference information

Bibliographic references

  • Deposit

    FIELDS, E.D., PRECAMBRAIN ROCKS OF THE HALLECK CANYON AREA,

  • Deposit

    LBANY COUNTY, WYOMING, MS THESIS, UOW, LARAMIE, WYO, 1963.

  • Deposit

    WILSON, W.H., GEO SURV, WYO, 1966, BULL #50, MINERAL

  • Deposit

    RESOURCES OF WYOMING.

General comments

Subject category Comment text
Deposit THERE IS NO INDICATION OF DEPTH OF MINERALIZATION.

Reporter information

Type Date Name Affiliation Comment
Reporter 17-JUN-96 Salisbury 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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