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Willis Creek Prospect

Occurrence in Lewis and Clark county in Montana, United States with commodities Barium-Barite, Copper
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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. Geologic structures
  11. Ore body information
  12. Economic information about the deposit and operations
  13. Land status
  14. Links to other databases
  15. Bibliographic references
  16. Reporter information

Geologic information

Identification information

Deposit ID 10010515
MRDS ID D004259
Record type Site
Current site name Willis Creek Prospect

Geographic coordinates

Geographic coordinates: -112.17117, 47.05768 (WGS84)
Elevation 1524
Relative position 31 MI. NNW OF HELENA

Site location context

Political divisions (FIPS codes)

Lewis and Clark(county)

Montana(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Roberts Mountain(quadrangle 1:24,000 scale)

Dearborn River(quadrangle 1:100,000 scale)

Choteau(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Upper Missouri-Dearborn(hydrologic unit)

Upper Missouri(hydrologic accounting unit)

Missouri-Marias(hydrologic subregion)

Missouri(hydrologic region)

Geographic areas

Country State County
United States Montana Lewis and Clark

Public Land Survey System information

Meridian Township Range Section Fraction State
Montana Principal 015N 005W 13 NW Montana

Comments on the location information

  • AT HEAD OF WILLIS CREEK.

Commodities

Commodity Importance
Barium-Barite Critical Tertiary
Copper Tertiary

Materials information

Materials Type of material
Barite Ore
Chalcopyrite Ore
Pyrite Gangue
Quartz Gangue

Host and associated rocks

  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Argillite
    Rock unit name Spokane Formation
    Rock description Spokane Formation
    Stratigraphic age (youngest) Neoproterozoic
    Stratigraphic age (youngest) Neoproterozoic

Nearby scientific data

(1) -112.17117, 47.05768
ListMap

Economic information

Geologic structures

Type of structure Local
Structure description Eldorado Thrust Fault

Ore body information

  • Thickness 0.3M
    Width 402.33M

Economic information about the deposit and operations

Development status Occurrence
Commodity type Both
Deposit size Small
Significant No

Land status

Ownership category Private

Comments on the workings information

  • WORKINGS CONSIST OF PROSPECT PITS

Reference information

Bibliographic references

  • Deposit

    SCHMIDT, ROGER G., 1979, ROCKS AND MINERAL RESOURCES OF THE WOLF CREEK AREA, LEWIS AND CLARK AND CASCADE COUNTIES, MONTANA: USGS BULL. 1441, P. 66-67

  • Deposit

    SCHMIDT, ROGER G., AND STRONG, CEYLAR P. JR., 1972, GEOLOGIC MAP OF THE ROBERTS MOUNTAIN QUADRANGLE: USGS MAP GQ977

  • Deposit

    1966 RECON R.G. SCHMIDT: BULL. 1441

  • Deposit

    1972 GEOLMAP R.G. SCHMIDT, C.P. STRONG: MAP GQ977

Reporter information

Type Date Name Affiliation Comment
Reporter 01-OCT-1979 Starritt, Bruce C. 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