North Republic Mine

Past Producer in Marquette county in Michigan, United States with commodity Iron
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. Controls for ore emplacement
  12. Economic information about the deposit and operations
  13. Mining district
  14. Land status
  15. Production statistics
  16. Bibliographic references
  17. General comments
  18. Reporter information

Geologic information

Identification information

Deposit ID 10079310
MRDS ID W028528
Record type Site
Current site name North Republic Mine
Alternate or previous names Metropolis, Metropolitan

Geographic coordinates

Geographic coordinates: -88.0142, 46.41333 (WGS84)

Site location context

Political divisions (FIPS codes)

Marquette(county)

Michigan(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Witch Lake NE(quadrangle 1:24,000 scale)

Iron River(quadrangle 1:100,000 scale)

Iron River(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Michigamme(hydrologic unit)

Northwestern Lake Michigan(hydrologic accounting unit)

Northwestern Lake Michigan(hydrologic subregion)

Great Lakes(hydrologic region)

Geographic areas

Country State County
United States Michigan Marquette

Public Land Survey System information

Meridian Township Range Section Fraction State
046N 030W 2 Michigan

Comments on the location information

  • POINT LOCATED AT THE CENTER OF THE PROPERTY SE OF NE OF SECTION 2 .

Commodities

Commodity Importance
Iron Primary

Materials information

Materials Type of material
Quartz Gangue
Chert Gangue
Mica Gangue
Garnet Gangue
Actinolite Gangue

Alteration

  • (Local) Chert to hematite & magnetite in oxidation zones.

Host and associated rocks

  • Host or associated Host
    Rock type Sedimentary Rock > Chemical Sediment > Iron Formation
    Stratigraphic age (youngest) Paleoproterozoic

Nearby scientific data

(1) -88.0142, 46.41333

Economic information

Controls for ore emplacement

  • Structurally controlled

Economic information about the deposit and operations

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

Mining district

District name Marquette Range

Land status

Ownership category Private

Production statistics

  • Year 1888
    Material ore Fe
    Ore mined 294mt
    Accuracy Accurate

Comments on the production information

  • HARD ORE IN SMALL POCKETS ALONG CONTACT OF NEGAUNEE AND OVERLYING GOODRICH QUARTZITE.

Comments on the reserve resource information

  • MOST OF IRON REMAINING IS GRUNERITE.

Reference information

Bibliographic references

  • Deposit

    SECTION FILES, MICHIGAN GEOLOGICAL SURVEY, CLEVELAND - CLIFFS IRON CO., 1953 , METROPOLIS MINE EXPLORATION, SECTION FILES OF GEOLOGICAL SURVEY DIVISION OF MICHIGAN DEPT. OF NATURAL RESOURCES, LANSING, MICHIGAN.

  • Deposit

    LAKE SUPERIOR IRON ORE ASSOCIATION, 1938 , LAKE SUPERIOR IRON ORES ( 1ST ED ): CLEVELAND, OHIO, P. 87 .

  • Deposit

    KLASNER, J. S., CANNON, W. F., 1976 , GEOLOGIC MAP AND GEOPHYSICAL INTERPRETATION OF THE WITCH LAKE QUADRANGLE, MARQUETTE, IRON AND BARAGA COUNTIES, MICHIGAN: US GEOLOGICAL SURVEY, MISCELLANEOUS INVESTIGATIONS SERIES, MAP I-987 .

General comments

Subject category Comment text
Deposit OPENED IN 1888 . AN OLD EXPLORATION KNOWN AS METROPOUS. ALSO EXPLORED IN 1953 BY CLEVELAND - CLIFFS IRON CO. DRILL HOLE DATA IS AVAILABLE FROM THESE EXPLORATIONS. (SEE SECTION FILE REFERENCE).

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JAN-1980 Yeager, Keith (Cannon, W.) Michigan Geological Survey Division
Updater 01-MAR-1997 Sutphin, D.M. U.S. Geological Survey
Editor 01-MAY-1997 Mason Jr., G.T. U.S. Geological Survey

Beyond USGS

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