Boulder West

Occurrence in Sweet Grass county in Montana, United States with commodities Platinum, Palladium, Rhodium, Gold, Copper, Nickel
Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Commodities
  6. Mineral occurrence model information
  7. Nearby scientific data
  8. Geologic structures
  9. Economic information about the deposit and operations
  10. Mining district
  11. Land status
  12. Links to other databases
  13. Bibliographic references
  14. General comments
  15. Reporter information

Geologic information

Identification information

Deposit ID 10093104
MRDS ID SP01085
Record type Site
Current site name Boulder West

Geographic coordinates

Geographic coordinates: -110.20163, 45.48714 (WGS84)
Elevation 1951
Relative position ABOUT 0.9 MI EAST-SOUTHEAST OF FALL CREEK CAMPGROUND

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

Comments on the location information

  • OUTCROP EXTENDS FROM LEUPP TO GRAND FALLS. LAT-LONG GIVEN ABOVE IS FOR AN APPROXIMATE MIDPOINT BETWEEN LEUPP AND GRAND FALLS.
  • IN GALLATIN NATIONAL FOREST. UNSURVEYED. GENERALIZED LOCATION

Commodities

Commodity Importance
Platinum Critical Primary
Palladium Critical Primary
Rhodium Critical Primary
Gold Tertiary
Copper Tertiary
Nickel Critical Tertiary

Comments on the commodity information

  • NO PUBLISHED PGE DATA AVAILABLE FOR THIS AREA

Mineral occurrence model information

Model code 4
USGS model code 2b
Deposit model name Merensky Reef PGE

Nearby scientific data

(1) -110.20163, 45.48714

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)

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
Significant No

Mining district

District name In Stillwater Complex

Land status

Ownership category National Forest

Reference information

Bibliographic references

General comments

Subject category Comment text
Deposit BENTONITE CROPS OUT AS A UNIT OF VARYING THICKNESS.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-AUG-1993 Peterson, Jocelyn A. U.S. Geological Survey

Beyond USGS

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