Crescent Creek Cr-Pt

Occurrence in Sweet Grass county in Montana, United States with commodities Platinum, Chromium, Copper, Nickel, Palladium, Rhodium
Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Commodities
  6. Materials information
  7. Host and associated rocks
  8. Nearby scientific data
  9. Geologic structures
  10. Ore body information
  11. Controls for ore emplacement
  12. Economic information about the deposit and operations
  13. Mining district
  14. Land status
  15. Links to other databases
  16. Bibliographic references
  17. General comments
  18. Reporter information

Geologic information

Identification information

Deposit ID 10048522
MRDS ID MP00112
Record type Site
Current site name Crescent Creek Cr-Pt

Geographic coordinates

Geographic coordinates: -110.02413, 45.38742 (WGS84)
Elevation 2652
Relative position ABOUT 3 MI SOUTHEAST OF SOUTH PICKET PIN LAKE

Site location context

Political divisions (FIPS codes)

Sweet Grass(county)

Montana(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Picket Pin Mountain(quadrangle 1:24,000 scale)

Gardiner(quadrangle 1:100,000 scale)

Bozeman(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Stillwater(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

Comments on the location information

  • UNSURVEYED. IN CUSTER NATIONAL FOREST

Commodities

Commodity Importance
Platinum Critical Primary
Chromium Critical Primary
Copper Secondary
Nickel Critical Secondary
Palladium Critical Secondary
Rhodium Critical Secondary

Materials information

Materials Type of material
Chromite Ore
Olivine Gangue

Analytical data

Result AVERAGE PGE IN CHROMITITE SAMPLES: PT=359.5 PPB, PD=820 PPB, RH=97 PPB (MAX.: PT=640 PPB, PD=1.5 PPM, RH=170 PPB)

Host and associated rocks

  • Host or associated Host
    Rock type Plutonic Rock > Ultramafic Intrusive Rock > Peridotite
    Stratigraphic age (youngest) Early Cretaceous
    Stratigraphic age (youngest) Neoarchean

Nearby scientific data

(1) -110.02413, 45.38742

Economic information

Geologic structures

Type of structure Regional
Structure description The Stillwater Complex Is Exposed Along The Northern Margin Of The Beartooth Uplift, One Of Several Laramide Basement-Cored Ranges That Make Up The Rocky Mountain Foreland Of South-Central Montana (Foose And Others, 1961: Kulik And Schmidt, 1988)

Ore body information

  • General form MASSIVE
    Depth to top 0M

Controls for ore emplacement

  • Crystal Settling In Large Magma Chamber

Comments on the geologic information

  • AGE OF STILLWATER COMPLEX IS 2,705 +/- 4 MA BASED ON U-PB SYSTEMATICS ON ZIRCON-BADDELEYITE (PREMO AND OTHERS, 1990)

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name In Stillwater Complex

Land status

Ownership category National Forest

Comments on the workings information

  • SAMPLING ONLY

Reference information

Bibliographic references

General comments

Subject category Comment text
Deposit NO SPECIFIC DEPOSIT INFORMATION OTHER THAN SAMPLES WERE COLLECTED FROM A AND B(?) CHROMITITES.; UNPUBLISHED MODEL NAME: PGE-ENRICHED STRATIFORM CHROMITITE.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-OCT-1991 Peterson, Jocelyn A. U.S. Geological Survey

Beyond USGS

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