Geneva Mine

Past Producer in Gogebic 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. Geologic structures
  13. Ore body information
  14. Controls for ore emplacement
  15. Economic information about the deposit and operations
  16. Mining district
  17. Ownership information
  18. Production statistics
  19. Workings at the site
  20. Bibliographic references
  21. Reporter information

Geologic information

Identification information

Deposit ID 10082657
MRDS ID W062006
Record type Site
Current site name Geneva Mine
Alternate or previous names Lisbon, Blue Jacket, Royal, First National, West Davis, Davis, New Davis, Geneva-Davis Group, North Newport, Former Geneva

Comments on the site names

  • THE ROYAL, WEST DAVIS, DAVIS, NEW DAVIS, AND GENEVA WERE OPERATED AS A GROUP SINCE 1944.

Geographic coordinates

Geographic coordinates: -90.11289, 46.46111 (WGS84)
Relative position LOCATED ALONG STATE ROAD 77

Site location context

Political divisions (FIPS codes)

Gogebic(county)

Michigan(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Bessemer(quadrangle 1:24,000 scale)

Ironwood(quadrangle 1:100,000 scale)

Ashland(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Bad-Montreal(hydrologic unit)

Southwestern Lake Superior(hydrologic accounting unit)

Western 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
Michigan T47N R46-47W 13, 18, 19 Michigan

Comments on the location information

  • WEST DAVIS--S1/2 OF SEC. 13; FORMER GENEVA--SW SEC. 18; ROYAL SE 1/4 SEC. 18; AND DAVIS N1/2 NW 1/4 SEC. 19. LAT/LON IS FOR THE MAIN ENTRANCE

Commodities

Commodity Importance
Iron Primary

Comments on the commodity information

  • ORE IS SOFT, BROWNISH-RED, NON-BESSEMER. IN 1950 NORDEN GRADE MATERIAL WAS SHIPPED.

Materials information

Materials Type of material
Hematite Ore
Goethite Ore

Alteration

  • (Local) Gogebic iron range is in the chlorite metamorphic zone in the least metamorphosed area of the upper peninsula.

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

Nearby scientific data

(1) -90.11289, 46.46111

Economic information

Geologic structures

Type of structure Regional
Structure description N-dipping sediments; regional trends are east to west.
Type of structure Local
Structure description An E-W linear iron formation going from Gogebic, MI, to Ironwood,MI, and to

Ore body information

  • General form STRATABOUND
    Dip 50-55 N

Controls for ore emplacement

  • Oxidation and leaching of unaltered banded-iron formation to soft iron-oxide ore bodies.

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Medium
Significant Yes
Discovery year 1848
Discoverer A. Randall discovered low-grade magnetic material during the survey of the fourth principal meridian.
Year of first production 1887
Year of last production 1965
Production years 1887 TO JAN 1965.

Mining district

District name Gogebic Iron District

Ownership information

  • Type Operator
    Owner Oliver Iron Mining Co., leased all properties in 1902.
    First year 1902

Production statistics

  • Year 1887
    Material ore Fe
    Ore mined 316010mt
    Accuracy Accurate
  • Year 1887
    Material ore Fe
    Ore mined 314807mt
    Accuracy Accurate
  • Year 1937
    Period 1890-1937
    Material ore Fe
    Ore mined 1828mt
    Accuracy Accurate
  • Year 1948
    Period 1915-1948
    Material ore Fe
    Ore mined 6170823mt
    Accuracy Accurate
  • Year 1950
    Period 1913-1950
    Material ore Fe
    Ore mined 3903826mt
    Accuracy Accurate
  • Year 1966
    Period 1887-1966
    Material ore Fe
    Ore mined 19066390mt
    Accuracy Accurate

Comments on the production information

  • LAKE SUPERIOR IRON ORE ASSOCIATION, 1952, HAS PRODUCTION FIGURES FOR INDIVIDUAL MINES AND LEASES. ORE WAS SHIPPED THROUGH THE PORTS AT ASHLAND, WI, AND ESCANABA, MI.

Workings at the site

  • Type of workings Underground
    Overall depth 960.12M

Comments on the workings information

  • UNDERGROUND SUB-LEVEL CAVING; SHAFTS SUNK IN FOOTWALL WITH DRIFTS TO ORE BODY

Comments on development

  • GENEVA MINE CLOSED FOR GOOD IN JAN 1965. GENEVA-DAVIS LATER CONSOLIDATED WITH BONNIE-NEWPORT TO SHIP UNDER THE NAME OF GENEVA-NEWPORT FROM 1961-1966.

Reference information

Bibliographic references

  • Deposit

    SCHMIDT, 1980: USGS BULLETIN 1460.

  • Deposit

    JOHNSON, A.M., AND GROTH, E.H.,1998, INVENTORY OF UNDERGROUND MINE, GOGEBIC COUNTY, P. 69-81, MICHIGAN DEPARTMENT OF NATURAL RESOURCES.

  • Production

    LAKE SUPERIOR IRON ORE ASSOCIATION, 1952, P. 55; REED, 1975.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-OCT-1995 Sutphin, D.M. (Cannon, W.F.) U.S. Geological Survey
Updater 01-MAR-1997 Sutphin, D.M. U.S. Geological Survey
Editor 01-MAY-1997 Mason Jr., G.T. U.S. Geological Survey
Updater 07-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.

External references