Chicagon 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 10079427
MRDS ID W028963
Record type Site
Current site name Chicagon Mine

Geographic coordinates

Geographic coordinates: -88.51977, 46.09889 (WGS84)

Site location context

Political divisions (FIPS codes)

Iron(county)

Michigan(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Gaastra(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
Michigan 043N 034W 26 NE OF SE Michigan

Comments on the location information

  • CENTERED ON SHAFT IN NW OF NE OF SECTION 26

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) -88.51977, 46.09889

Economic information

Controls for ore emplacement

  • Stratigraphically controlled, fault related

Comments on the geologic information

  • WELL BEDDED CHERT AND SIDERITE IRON FORMATION.

Economic information about the deposit and operations

Operation type Underground
Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Year of first production 1911
Year of last production 1922

Mining district

District name Menominee Range

Land status

Ownership category Private

Production statistics

  • Year 1922
    Period 1911-1922
    Material ore Fe
    Ore mined 1254088mt
    Accuracy Accurate
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Fe Iron Iron 48wt-pct

Comments on the production information

  • ORE IS HARD AND SOFT, RED, HIGH PHOSPHORUS AND MANGANIFEROUS, NON-BESSEMER HEMATITE CRUSHED. GRADE GIVEN IS FROM 1919 PRODUCTION ANALYSIS, TWO GRADES SHIPPED (50.43 AND 45.52%FE)

Comments on the reserve resource information

  • REMAINING IRON FORMATION IS NOT COMMERCIALLY VIABLE.

Comments on the workings information

  • UNDERGROUND STOPING; 2 SHAFTS; MINE WORKINGS UNDERLIE AN AREA ABOUT 2500' IN LENGTH (NW TO SE) & ABOUT 550' ACROSS; MINE LISTED IN 1 CD 1984 AS HAZARD DUE TO ROAD OVER TOP OF STOPE THAT WAS 66' FROM SURFACE

Comments on development

  • MUNRO IRON MINING, M.A. HANNA CO.

Reference information

Bibliographic references

General comments

Subject category Comment text
Deposit OPENED 1909, SHIPPED 1911-1922. OPERATED BY MONROE IRON MINING CO. (ROGERS BROWN IRON CO., AGENT). LAST HELD BY HANNA IRON ORE CO., AS A RESERVE. WORKED BY STOPING METHOD, UNDERGROUND.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-APR-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
Updater 09-AUG-2001 Anderson, Arlene (M. Gere) Michigan Department of Natural Resources

Beyond USGS

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