Monogahela Mine

Past Producer in Iron 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. Mineral occurrence model information
  10. Host and associated rocks
  11. Nearby scientific data
  12. Controls for ore emplacement
  13. Economic information about the deposit and operations
  14. Mining district
  15. Land status
  16. Production statistics
  17. Bibliographic references
  18. General comments
  19. Reporter information

Geologic information

Identification information

Deposit ID 10079367
MRDS ID W028622
Record type Site
Current site name Monogahela Mine

Geographic coordinates

Geographic coordinates: -88.3681, 46.0825 (WGS84)

Site location context

Political divisions (FIPS codes)

Iron(county)

Michigan(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Crystal Falls(quadrangle 1:24,000 scale)

Iron River(quadrangle 1:100,000 scale)

Iron River(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Brule(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 Iron

Public Land Survey System information

Meridian Township Range Section Fraction State
043N 033W 36 Michigan

Comments on the location information

  • CENTERED ON SHAFT IN SE OF NE OF SECTION 36.

Commodities

Commodity Importance
Iron Primary

Materials information

Materials Type of material
Hematite Ore
Goethite Ore
Chert Gangue
Pyrite Gangue
Siderite Gangue
Stilpnomelane Gangue
Chlorite Gangue
Mica Gangue

Alteration

  • (Local) Chert and siderite to hematite and goethite in oxidation zones.

Mineral occurrence model information

Model code 241
USGS model code 34a
Deposit model name Superior Fe (BC name is Lake Superior & Rapitan types iron-formation)

Host and associated rocks

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

Nearby scientific data

(1) -88.3681, 46.0825

Economic information

Controls for ore emplacement

  • Structurally controlled in a synclinal body

Comments on the geologic information

  • WELL-BEDDED, CHERT AND SIDERITE IRON FORMATION.

Economic information about the deposit and operations

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

Mining district

District name Menominee Range

Land status

Ownership category Private

Production statistics

  • Year 1943
    Period 1901-1943
    Material ore Fe
    Ore mined 1374648mt
    Accuracy Accurate
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Fe Iron Iron 50wt-pct

Comments on the production information

  • ORE IS HARD AND SOFT, RED, NON-BESSEMER HEMATITE. GRADE SHIPPED. GRADE REPORTED IS AN AVERAGE OF PRODUCTION ANALYSIS FROM 1901, 1919, 1922, 1926 AND 1934.

Comments on the reserve resource information

  • REMAINING IRON FORMATION IS NOT COMMERCIALLY VIABLE.

Reference information

Bibliographic references

General comments

Subject category Comment text
Deposit OPENED 1901, SHIPPED 1901 AND 1903. REOPENED IN 1915, SHIPPED 1916, 1918-1927, 1931, 1933-1934. FORMERLY OPERATED BY HANNA FURNACE CO. (HOLLISTER MINING CO.), LATER BY HANNA IRON ORE CO. SHIPMENT FROM TRESPASS BY COLUMBIA MINE IN 1943. ACQUIRED BY REPUBLIC STEEL CORP. IN 1951. UNDERGROUND.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAR-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.

External references