Newport 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. General comments
  22. Reporter information

Geologic information

Identification information

Deposit ID 10082662
MRDS ID W062011
Record type Site
Current site name Newport Mine
Alternate or previous names Iron King, Mount Hope, Bonnie

Geographic coordinates

Geographic coordinates: -90.12233, 46.45694 (WGS84)

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 047N 047W 24 NE OF NW Michigan
NW OF NW Michigan
SE OF NW Michigan
SW OF NW Michigan
NE OF NE Michigan
NW OF NE Michigan
SE OF NE Michigan
SW OF NE Michigan

Comments on the location information

  • NEWPORT (ONCE KNOWN AS IRON KING AND LATER AS MOUNT HOPE) IS IN NW 1/2 SECTION 24; BONNIE IS IN THE NE 1/4 OF SECTION 24. AREA OF THE PROPERTY IS ABOUT 1/2 SQ. MI. LAT/LON IS FOR THE MAIN ENTRANCE

Commodities

Commodity Importance
Iron Primary

Comments on the commodity information

  • ORE IS SOFT, RED, NON-BESSEMER.

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) -90.12233, 46.45694

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

Operation type Underground
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 1886
Year of last production 1961
Production years 1886 TO AT LEAST 1950, EXCEPT FOR 1932.

Mining district

District name Gogebic Iron District

Ownership information

  • Type Operator
    Owner Youngstown Mines Co.

Production statistics

  • Year 1961
    Period 1886-1961
    Material ore Fe
    Ore mined 37293788mt
    Accuracy Accurate

Comments on the production information

  • ORE WAS SHIPPED THROUGH THE PORT AT ASHLAND, WI. LAKE SUPERIOR IRON ORE ASSOCIATION, 1952, HAS PRODUCTION FIGURES FOR INDIVIDUAL MINES AND LEASES. IN 1950, MONTROSE MIX AND MONTROSE SPECIAL WERE SHIPPED.

Workings at the site

  • Type of workings Underground
    Overall depth 993.65M

Comments on development

  • ORE IS WORKED BY A SUB-LEVEL CAVING SYSTEM.

Reference information

Bibliographic references

  • Deposit

    SCHMIDT, 1980: USGS BULLETIN 1460. JOHNSON, A.M., AND GROTH, E.H., 1998, INVENTORY OF UNDERGROUND MINES, GOGEBIC COUNTY, P. 112-128, MICHIGAN DEPARTMENT OF NATURAL RESOURCES.

  • Production

    REED, 1975

General comments

Subject category Comment text
Deposit AFTER 1961 ALL OF THE GENEVA (GENEVA-DAVIS) & NEWPORT (NEWPORT & BONNIE) GROUPS WERE COMBINED INTO THE MEGA-MINE GENEVA-NEWPORT

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 06-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