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Nye Basin Ni-Cu East

Occurrence in Stillwater county in Montana, United States with commodities Nickel, Copper, Cobalt, Platinum, Palladium, Silver, Gold
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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. Mineral occurrence model information
  9. Host and associated rocks
  10. Nearby scientific data
  11. Geologic structures
  12. Ore body information
  13. Controls for ore emplacement
  14. Economic information about the deposit and operations
  15. Mining district
  16. Land status
  17. Reserves and resources
  18. Workings at the site
  19. Links to other databases
  20. Bibliographic references
  21. General comments
  22. Reporter information

Geologic information

Identification information

Deposit ID 10048507
MRDS ID MP00097
Record type Site
Current site name Nye Basin Ni-Cu East

Geographic coordinates

Geographic coordinates: -109.83551, 45.37409 (WGS84)
Elevation 2210
Location accuracy 100(meters)
Relative position ABOUT 2.5 MI NORTHWEST OF CHROME LAKE, Acc Portal Of Nye Basin Adit

Site location context

Political divisions (FIPS codes)

Stillwater(county)

Montana(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Mount Wood(quadrangle 1:24,000 scale)

Red Lodge(quadrangle 1:100,000 scale)

Billings(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 Stillwater

Public Land Survey System information

Meridian Township Range Section Fraction State
Montana Principal 005S 015E 26 Montana

Comments on the location information

  • UNSURVEYED. IN CUSTER NATIONAL FOREST

Commodities

Commodity Importance
Nickel Critical Primary
Copper Primary
Cobalt Critical Primary
Platinum Critical Secondary
Palladium Critical Secondary
Silver Secondary
Gold Secondary

Materials information

Materials Type of material
Chalcopyrite Ore
Pentlandite Ore
Pyrrhotite Ore
Gersdorffite Trace
Pyrite Unknown

Analytical data

Result AVERAGE PGE: 9.3 PPB PT, 35.7 PPB PD (MAX.: <20 PPB PT, 110 PPB PD). 480 PPB PT, 210 PPB PD IN FLOTATION CONCENTRATE FROM DRILL CORE

Mineral occurrence model information

Model code 1
USGS model code 1
Deposit model name Stillwater Ni-Cu

Host and associated rocks

  • Host or associated Host
    Rock type Plutonic Rock > Granitoid > Quartz Monzonite
    Stratigraphic age (youngest) Early Cretaceous
    Stratigraphic age (youngest) Neoarchean
  • Host or associated Host
    Rock type Plutonic Rock > Ultramafic Intrusive Rock > Peridotite
  • Host or associated Host
    Rock type Metamorphic Rock > Hornfels
    Rock unit name Stillwater Complex, Ultramafic Series

Nearby scientific data

(1) -109.83551, 45.37409
ListMap

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 STRATIFORM, PODS, LENSES
    Depth to top 0M

Controls for ore emplacement

  • Contact Of Stillwater Complex With Underlying Country Rocks

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 Yes

Mining district

District name In Stillwater Complex

Land status

Ownership category National Forest

Reserves and resources

  • Type In-situ
    Estimate year 1993
    Total resources 92050000mt ore
    Commodity Subtype Grade units Group Importance Year
    Cobalt 0.07 wt-pct Cobalt Major 1993
    Nickel 0.7 wt-pct Nickel Major 1993
    Copper 0.7 wt-pct Copper Major 1993

Workings at the site

  • Type of workings Unknown
    Length 62.79M

Comments on the workings information

  • ANACONDA DRILLING 1967-1970: 15 HOLES TOTALING 9,626 FT; 1977: 8 HOLES TOTALING 6,193 FT. ADIT

Reference information

Bibliographic references

General comments

Subject category Comment text
Deposit DEPOSIT IS PROBABLY SIMILAR TO MOUAT

Reporter information

Type Date Name Affiliation Comment
Reporter 01-OCT-91 Peterson, Jocelyn 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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