Zimmerman 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. Production statistics
  17. Bibliographic references
  18. General comments
  19. Reporter information

Geologic information

Identification information

Deposit ID 10079416
MRDS ID W028948
Record type Site
Current site name Zimmerman Mine

Comments on the site names

  • PRODUCTION WAS INDEPENDENT UNTIL 1950 - SEE BUCK GROUP

Geographic coordinates

Geographic coordinates: -88.61033, 46.05417 (WGS84)

Site location context

Political divisions (FIPS codes)

Iron(county)

Michigan(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Gaastra(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 042N 034W 7 SE OF NW Michigan
NE OF NW Michigan

Comments on the location information

  • APPROXIMATE MIDPOINT BETWEEN TWO SHAFTS IN SE OF NW OF SECTION 7.

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
    Rock unit name Riverton Iron-Formation
    Rock description Riverton Iron-Formation
    Stratigraphic age (youngest) Paleoproterozoic

Nearby scientific data

(1) -88.61033, 46.05417

Economic information

Controls for ore emplacement

  • Stratigraphically controlled.

Comments on the geologic information

  • WELL BEDDED CHERT AND SIDERITE IRON FORMATION (RIVERTON).

Economic information about the deposit and operations

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

Mining district

District name Menominee Range

Land status

Ownership category Private

Production statistics

  • Year 1950
    Period 1907-1950
    Material ore Fe
    Ore mined 3667760mt
    Accuracy Accurate
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Fe Iron Iron 51wt-pct

Comments on the production information

  • ORE IS SOFT, RED, HIGH PHOSPHORUS, NON-BESSEMER HEMATITE. CRUSHED. CONSTITUENT OF GRADE SHIPPED. GRADE GIVEN IS AN AVERAGE OF PRODUCTION ANALYSIS FOR 1913, 1916, 1919, 1922, 1926 AND 1929. OPERATION PAST 1950 IS RECORDED IN BUCK MINE REPORT AS A GROUP OPERATION.

Comments on the reserve resource information

  • REMAINING IRON FORMATION IS NOT COMMERCIALLY VIABLE.

Comments on the workings information

  • UNDERGROUND SLICING AND SUB LEVEL STOPING METHOD WITH 4 SHAFTS AND 7 MAIN LEVELS. ZIMMERMAN 6TH LEVEL IS CONNECTED TO BUCK 10TH LEVELS AND ALSO CONNECTS TO BALTIC 3RD LEVEL.

Reference information

Bibliographic references

General comments

Subject category Comment text
Deposit OPENED 1907. SHIPPED 1908-1949 EXCEPT 1921, 1933 AND 1938-1941. 1937 SHIPMENT FROM STOCKPILE AND 1944-1945 SHIPMENTS PARTLY FROM STOCKPILE BY THE M.A. HANNA CO. FORMERLY OPERATED BY HANNA IRON ORE CO. ACQUIRED IN 1944 BY THE VERONA MINING CO. AND OPERATED AS PART OF THE BUCK GROUP. UNDERGROUND. BUCK GROUP OPERATED UNTIL 1962, SEE BUCK MINE REPORT FOR PRODUCTION FIGURES OF GROUP AS A WHOLE THROUGH 1962.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-APR-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 13-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.