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  3. Mineral Resource Data System (MRDS)

Bluebird Fraction

Prospect in Sweet Grass county in Montana, United States with commodity Chromium
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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. Host and associated rocks
  8. Nearby scientific data
  9. Ore body information
  10. Economic information about the deposit and operations
  11. Mining district
  12. Ownership information
  13. Workings at the site
  14. Links to other databases
  15. Bibliographic references
  16. Reporter information

Geologic information

Identification information

Deposit ID 10022855
MRDS ID FS00354
Record type Site
Current site name Bluebird Fraction

Geographic coordinates

Geographic coordinates: -110.19997, 45.47492 (WGS84)
Elevation 1753
Relative position 1.5 MILES SSW OF MOUTH OF FALLS CREEK

Site location context

Political divisions (FIPS codes)

Sweet Grass(county)

Montana(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Chrome Mountain(quadrangle 1:24,000 scale)

Gardiner(quadrangle 1:100,000 scale)

Bozeman(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Upper Yellowstone(hydrologic unit)

Upper Yellowstone(hydrologic accounting unit)

Upper Yellowstone(hydrologic subregion)

Missouri(hydrologic region)

Federal lands

Custer Gallatin 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 Sweet Grass

Public Land Survey System information

Meridian Township Range Section Fraction State
Montana Principal 004S 012E 24 Montana

Comments on the location information

  • THIS CLAIM IS PART OF A GROUP

Commodities

Commodity Importance
Chromium Critical Tertiary

Comments on the commodity information

  • IT IS DIFFICULT TO TELL IF THE CLAIM EXPOSES A VEIN OF CHROMITE BECAUSE IT IS IN A HEAVILY ALTERED ZONE.

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Ultramafic Intrusive Rock > Pyroxenite
    Stratigraphic age (youngest) Neoproterozoic
    Stratigraphic age (youngest) Neoproterozoic
  • Host or associated Host
    Rock type Plutonic Rock > Ultramafic Intrusive Rock > Pyroxenite

Nearby scientific data

(1) -110.19997, 45.47492
ListMap

Economic information

Ore body information

  • General form IRREGULAR

Comments on the geologic information

  • THE DIKE MAY BE AN OFFSHOOT OF THE STILLWATER COMPLEX - A MAFIC LAYERED INTRUSION CAUSED FROM GRAVITATIONAL DIFFERENTIATION

Economic information about the deposit and operations

Development status Prospect
Commodity type Metallic
Significant No
Discoverer U.S. Chrome Co.

Mining district

District name Natural Bridge

Ownership information

  • Type Owner
    Owner U.S. Chrome Co.

Workings at the site

  • Type of workings Surface
    Overall length 3.05M
    Overall width 1.22M

Comments on the workings information

  • CUT IS IN A HEAVILY ALTERED ZONE EXPOSING COPPER STAININGS

Reference information

Bibliographic references

  • Deposit

    1925 DIREXPL USFS

Reporter information

Type Date Name Affiliation Comment
Reporter 01-AUG-1976 Steward, Candis A. U.S. Geological Survey

Beyond USGS

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

Maps centered on this site