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Examiner Mine

Past Producer in Jefferson county in Montana, United States with commodities Lead, Zinc, Copper, Manganese, Gold, Silver
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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. Alteration
  9. Host and associated rocks
  10. Nearby scientific data
  11. Ore body information
  12. Economic information about the deposit and operations
  13. Mining district
  14. Land status
  15. Workings at the site
  16. Links to other databases
  17. Bibliographic references
  18. Reporter information

Geologic information

Identification information

Deposit ID 10019531
MRDS ID DC10759
Record type Site
Current site name Examiner Mine
Alternate or previous names Three Dots and A Dash
Related records 10221815

Geographic coordinates

Geographic coordinates: -112.0467, 45.92657 (WGS84)
Elevation 1710
Relative position 4 MILES NE OF WHITEHALL

Site location context

Political divisions (FIPS codes)

Jefferson(county)

Montana(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Black Butte(quadrangle 1:24,000 scale)

Butte South(quadrangle 1:100,000 scale)

Dillon(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Jefferson(hydrologic unit)

Missouri Headwaters(hydrologic accounting unit)

Missouri Headwaters(hydrologic subregion)

Missouri(hydrologic region)

Geographic areas

Country State County
United States Montana Jefferson

Public Land Survey System information

Meridian Township Range Section Fraction State
Montana Principal 002N 004W 13 CENTER OF S2 OF S2 OF S2 Montana

Commodities

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

Materials information

Materials Type of material
Chalcopyrite Ore
Galena Ore
Pyrolusite Ore
Sphalerite Ore
Barite Gangue
Psilomelane Gangue
Pyrite Gangue
Rhodochrosite Gangue

Alteration

  • (Local) Oxidation

Host and associated rocks

  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Shale
    Rock unit name Greyson Shale
    Rock description Greyson Shale
    Stratigraphic age (youngest) Neoproterozoic
    Stratigraphic age (youngest) Neoproterozoic

Nearby scientific data

(1) -112.0467, 45.92657
ListMap

Economic information

Ore body information

  • Strike N 83 E
    Dip 80 S
    Width 0.91M

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Whitehall (Cardwell) District

Land status

Ownership category Private

Comments on the production information

  • LESTER LINDQUIST SHIPPED MN ORE FROM THIS MINE DURING THE SECOND WORLD WAR.

Workings at the site

  • Type of workings Underground
    Length 304.8M
    Overall depth 91.44M

Reference information

Bibliographic references

  • Deposit

    MBMG BULL 16, P. 81.

  • Deposit

    LINDQUIST, A.E., 1966, STRUCTURE AND MINERALIZATION OF THE WHITEHALL MINING DISTRICT, JEFFERSON CO. MONT: MONT. SCHOOL OF MINES, M.S. THESIS, P. 74

  • Production

    LINDQUIST, 1966

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAY-1980 Unknown U.S. Geological Survey
Updater 01-FEB-1993 Loen, Jeffrey S. (Pearson, Robert C.) U.S. Geological Survey

Beyond USGS

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

External references

Maps centered on this site