Montreal Mine

Producer in Iron county in Wisconsin, United States with commodity Iron

Geologic information

Identification information

Deposit ID 10082661
MRDS ID W062010
Record type Site
Current site name Montreal Mine
Alternate or previous names Ottawa, Odanah, 33 Co. Mine, Trimble, Moore, Bourne, Jupiter.

Geographic coordinates

Geographic coordinates: -90.23372, 46.42806 (WGS84)
Location accuracy 100(meters)
Relative position LOCATED ON S.R. 77 BETWEEN HENNEPIN AND CARY PROPERTIES. GILE, WI, IS CARVED OUT OF THE SE CORNER OF THE MONTREAL TRACT.
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Geographic areas

Country State County
United States Wisconsin Iron

Public Land Survey System information

Meridian Township Range Section Fraction State
46N 2E 27,28,33 Wisconsin

Commodities

Commodity Importance
Iron Primary

Comments on the commodity information

  • ORE IS SOFT, GRANULAR, RED, BESSEMER, NON-BESSEMER, AND MANGANIFEROUS.

Materials information

Materials Type of material
Goethite Ore
Hematite 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
BC deposit profile F10
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 Formation
    Rock description Ironwood Formation
    Stratigraphic age (youngest) Neoproterozoic
    Stratigraphic age (youngest) Neoproterozoic

Nearby scientific data

(1) -90.23372, 46.42806

Geologic structures

Type Description Terms
Regional N-Dipping Sediments; Regional Trends Are East To West.
Local An E-W Linear Iron Formation Going From Gogebic, Mi, To Ironwood, Mi, And To Mellen, Wi, And A Bit Farther W.

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

Economic information about the deposit and operations

Development status Producer
Commodity type Metallic
Deposit size Medium
Significant No
Discovery year 1848
Discoverer A. Randall Discovered Low-Grade Magnetic Material During The Survey Of The Fourth Principal Meridian.
Year of first production 1886
Production years 1886 TO AT LEAST 1950, EXCEPT FOR 1921.

Mining district

District name Gogebic Iron District

Comments on the production information

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

Workings at the site

  • Type of workings Underground
    Overall depth 1087.53M

Comments on development

  • ECON.COM: THE MINE IS WORKED BY A SUB-LEVEL CAVING SYSTEM. ORE IS CRUSHED. IN 1950, THE GRADES BEING SHIPPED WERE HAMILTON, MONTREAL, QUEBEC, AND BRUNSWICK.

Reference information

Links to other databases

Agency Database name Acronym Record ID Notes
USGS Mineral Resources Data System MRDS W062010

Bibliographic references

  • Deposit

    EMATIT

  • Deposit

    SCHMIDT, 1980: USGS BULLETIN 1460

  • Production

    LAKE SUPERIOR IRON ORE ASSOCIATION, 1952, P. 56-57.

General comments

Subject category Comment text
Deposit Discovery Year: 1848 FOR THE AREA

Reporter information

Type Date Name Affiliation Comment
Reporter 01-OCT-95 Sutphin, David M. (Cannon, W. F.) U.S. Geological Survey
Updater 01-MAR-97 Sutphin, David M. U.S. Geological Survey
Editor 01-MAY-97 Mason Jr., G.T. U.S. Geological Survey