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Mountain Chief

Past Producer in Granite county in Montana, United States with commodities Lead, Zinc, Silver, Gold, 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. Mining district
  14. Land status
  15. Links to other databases
  16. Bibliographic references
  17. Reporter information

Geologic information

Identification information

Deposit ID 10019329
MRDS ID DC09542
Record type Site
Current site name Mountain Chief

Geographic coordinates

Geographic coordinates: -113.09535, 46.50545 (WGS84)
Elevation 1938
Relative position 122 FT N OF WASA MINE.

Site location context

Political divisions (FIPS codes)

Granite(county)

Montana(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Dunkleberg Creek(quadrangle 1:24,000 scale)

Missoula East(quadrangle 1:100,000 scale)

Butte(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Upper Clark Fork(hydrologic unit)

Pend Oreille(hydrologic accounting unit)

Kootenai-Pend Oreille-Spokane(hydrologic subregion)

Pacific Northwest(hydrologic region)

Federal lands

Beaverhead-Deerlodge 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 Granite

Public Land Survey System information

Meridian Township Range Section Fraction State
Montana Principal 009N 012W 27 NE OF SW Montana

Comments on the location information

  • ABOUT 1.8 KM WNW OF GOLDBERG RESERVOIR. ; INFO FROM LAND.ST :(1958)

Commodities

Commodity Importance
Lead Primary
Zinc Critical Primary
Silver Secondary
Gold Secondary
Copper Secondary

Materials information

Materials Type of material
Galena Ore
Quartz Gangue

Analytical data

Result 0.5% PB, 0.4% ZN, 0.07% CU, 1.63 OZ/TON AG, 0.01 OZ/TON AU.

Host and associated rocks

  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Argillite
    Stratigraphic age (youngest) Late Cretaceous
    Stratigraphic age (youngest) Late Cretaceous
  • Host or associated Host
    Rock type Sedimentary Rock > Carbonate > Limestone
    Rock unit name Kootenai Formation
    Rock description Kootenai Formation

Nearby scientific data

(1) -113.09535, 46.50545
ListMap

Economic information

Geologic structures

Type of structure Regional
Structure description Dunkleberg Anticline
Type of structure Local
Structure description Mountain Chief Longitudinal Fault Royal Stock

Ore body information

  • Dip 70-80W
    Thickness 1.22M
    Length 21.34M

Comments on the geologic information

  • THE ANTICLINE HAS A NORTHWARD TREND AND PLUNGE.

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Significant No

Mining district

District name Dunkleberg District

Land status

Ownership category National Forest

Comments on the workings information

  • THE ORE DEPOSITION IS ASSOCIATED WITH THE INTERSECTION OF THE MOUNTAIN CHIEF FAULT AND A MODERATELY DIPPING BEDDING-PLANE FAULT. OTHER ORE SHOOTS WERE MINED ALONG THE BEDDING-PLANE FAULT AND WERE FORMED BY AN IRREGULAR REPLACEMENT OF A FAVORABLE BED IN THE LOWER PORTION OF THE GASTROPOD LIMESTONE.

Reference information

Bibliographic references

  • Deposit

    USBM RI 5014, P. 12, FIG. 3, 4A, 11

  • Production

    USBM RI 5014, P. 14.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAR-1974 Unknown U.S. Geological Survey
Updater 01-OCT-1982 Wise, Kristine K. (Elliott, James E.) 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