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  3. Mineral Resource Data System (MRDS)

Bonanza No. 3 Lode

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. Materials information
  8. Host and associated rocks
  9. Nearby scientific data
  10. Ore body information
  11. Economic information about the deposit and operations
  12. Mining district
  13. Ownership information
  14. Links to other databases
  15. Bibliographic references
  16. Reporter information

Geologic information

Identification information

Deposit ID 10096939
MRDS ID FS00397
Record type Site
Current site name Bonanza No. 3 Lode

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

  • A CLAIM IN THE BONANZA GROUP

Commodities

Commodity Importance
Chromium Critical Primary

Comments on the commodity information

  • THERE WERE NO REPORTS ON THE COMMODITY EXCEPT THAT IT DOES EXIST IN SUBSTANTIAL QUANITY

Materials information

Materials Type of material
Chromite Ore

Host and associated rocks

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

Nearby scientific data

(1) -110.19997, 45.47492
ListMap

Economic information

Ore body information

  • General form IRREGULAR
    Thickness 0.61M

Comments on the geologic information

  • IT IS POSSIBLE THAT THIS FORMATION IS PART OF THE STILLWATER COMPLEX - A LAYED MAFIC INTRUSION GRAVITATIONALLY DIFFERENTIATED.

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.

Comments on the workings information

  • THERE ARE TWO VERY LARGE TUNNELS WHICH EXPOSE A VEIN OF CHROMITE. MOST OF THE WORK ON THIS GROUP HAD BEEN DONE ON THIS CLAIM.

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.

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