1. Mineral Resources
  2. Online Spatial Data
  3. Mineral Resource Data System (MRDS)

South Chicago Mine

Past Producer in Gogebic county in Michigan, United States with commodity Iron
Map
XML
JSON
KML
B
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 10080409
MRDS ID W031542
Record type Site
Current site name South Chicago Mine

Geographic coordinates

Geographic coordinates: -89.94371, 46.48389 (WGS84)

Site location context

Political divisions (FIPS codes)

Gogebic(county)

Michigan(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Wakefield(quadrangle 1:24,000 scale)

Wakefield(quadrangle 1:100,000 scale)

Iron River(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Black-Presque Isle(hydrologic unit)

Southcentral Lake Superior(hydrologic accounting unit)

Southern Lake Superior(hydrologic subregion)

Great Lakes(hydrologic region)

Geographic areas

Country State County
United States Michigan Gogebic

Public Land Survey System information

Meridian Township Range Section Fraction State
047N 045W 8 Michigan

Comments on the location information

  • LOCATION GIVEN IS CENTER OF PRESUMED MINE AREA IN NE OF SE OF SEC 8.

Commodities

Commodity Importance
Iron Primary

Comments on the commodity information

  • CHERT, (SPORADIC FLINT), LOCAL PYRITE, DISSEMINATED MARTITE, QUARTZITE INTERBEDS.

Materials information

Materials Type of material
Hematite Ore
Chert Gangue
Pyrite Gangue
Martite Gangue

Alteration

  • (Local) Chert to hematite 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
    Rock unit name Ironwood Iron-Formation
    Rock description Ironwood Iron-Formation
    Stratigraphic age (youngest) Paleoproterozoic

Economic information

Controls for ore emplacement

  • Structural-footwall quartzite and cross-cutting dikes form are troughs.

Comments on the geologic information

  • GRANULAR CHERT FACIES IRON FORMATION (IRONWOOD).

Economic information about the deposit and operations

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

Mining district

District name Gogebic Range

Land status

Ownership category Private

Production statistics

  • Year 1915
    Material ore Fe
    Ore mined 1294mt
    Accuracy Accurate

Comments on the production information

  • ORE IS SOFT, RED, NON-BESSEMER HEMATITE. NO PRODUCTION ANALYSIS FIGURES AVAILABLE.

Comments on the reserve resource information

  • REMAINING IRON FORMATION IS NOT COMMERCIALLY VIABLE.

Reference information

Bibliographic references

General comments

Subject category Comment text
Deposit NO RECORD EXCEPT OF SMALL SHIPMENT AS SHOWN.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUN-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.

Maps centered on this site