Fortune Lake 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. Ownership information
  17. Production statistics
  18. Workings at the site
  19. Bibliographic references
  20. General comments
  21. Reporter information

Geologic information

Identification information

Deposit ID 10106112
MRDS ID W028641
Record type Site
Current site name Fortune Lake Mine

Geographic coordinates

Geographic coordinates: -88.38977, 46.1 (WGS84)

Site location context

Political divisions (FIPS codes)

Iron(county)

Michigan(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Fortune Lakes(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 033W 25 26 Michigan

Comments on the location information

  • APPROXIMATE MID-POINT BETWEEN THREE GIVEN LOCATIONS, IS IN NE OF NE OF SECTION 26. NW OF NW SECTION 25, NE OF NE SECTION 26. NORTH OF US 2

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) -88.38977, 46.1

Economic information

Controls for ore emplacement

  • Structurally controlled by faulting.

Comments on the geologic information

  • WELL-BEDDED, CHERT AND SIDERITE IRON FORMATION

Economic information about the deposit and operations

Operation type Surface-Underground
Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Year of first production 1953
Year of last production 1968

Mining district

District name Menominee Range

Land status

Ownership category Private

Ownership information

  • Type Operator
    Owner Oglebay Norton

Production statistics

  • Year 1958
    Period 1953-1958
    Material ore Fe
    Ore mined 1337975mt
    Accuracy Accurate

Comments on the production information

  • ORE IS SEMI-HARD, BROWN, HIGH PHOSPHORUS HEMATITE. NO PRODUCTION ANALYSIS AVAILABLE.

Comments on the reserve resource information

  • REMAINING IRON FORMATION NOT COMMERCIALLY VIABLE.

Workings at the site

  • Type of workings Surface/Underground
    Overall depth 64.01M
    Overall length 588M
    Overall width 230M

Comments on the workings information

  • OPEN PIT STRIP MINING WITH SHAFT & DRIFTS FOR DRAINAGE; UNDERGROUND DRIFTS EXTEND FROM THE SHAFT TO PROVIDE A MEANS OF DRAINING THE OPEN PIT; PIT WAS 1930'X750'X210' DEEP, SO EVEN THOUGH OPEN PIT - SHAFT AND UNDERGROUND DRIFTS ARE PRESENT.

Reference information

Bibliographic references

General comments

Subject category Comment text
Deposit EXPLORED IN 1915 AND 1920 BY FORTUNE LAKE MINING CO. (OGLEBAY, NORTON AND CO. AGENT). HELD AS RESERVE UNTIL OPENED IN 1953. SHIPPED EVERY YEAR UNTIL 1958. OPERATED AS UNDERGROUND MILL.

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
Updater 10-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.