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  3. Mineral Resource Data System (MRDS)

Mastedon Mine

Past Producer in Iron county in Michigan, United States with commodity Iron
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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. Host and associated rocks
  10. Nearby scientific data
  11. Controls for ore emplacement
  12. Economic information about the deposit and operations
  13. Mining district
  14. Land status
  15. Production statistics
  16. Bibliographic references
  17. General comments
  18. Reporter information

Geologic information

Identification information

Deposit ID 10079375
MRDS ID W028632
Record type Site
Current site name Mastedon Mine

Geographic coordinates

Geographic coordinates: -88.37476, 46.03917 (WGS84)

Site location context

Political divisions (FIPS codes)

Iron(county)

Michigan(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Crystal Falls(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
042N 033W 13 Michigan

Comments on the location information

  • POINT LOCATED WEST OF THE CENTER OF THE PROPERTY ON THE RIVERTON IRON FORMATION. SHAFT LOCATED IN SE OF NE OF SECTION 13.

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

Host and associated rocks

  • Host or associated Host
    Rock type Sedimentary Rock > Chemical Sediment > Iron Formation
    Stratigraphic age (youngest) Paleoproterozoic

Nearby scientific data

(1) -88.37476, 46.03917
ListMap

Economic information

Controls for ore emplacement

  • Structurally controlled in synclinal body.

Comments on the geologic information

  • WELL-BEDDED, CHERT AND SIDERITE IRON FORMATION

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Year of first production 1882
Year of last production 1942

Mining district

District name Menominee Range

Land status

Ownership category Private

Production statistics

  • Year 1942
    Period 1882-1942
    Material ore Fe
    Ore mined 454472mt
    Accuracy Accurate

Comments on the production information

  • ORE IS SOFT, RED, HIGH PHOSPHORUS AND MANGANIFEROUS HEMATITE. CRUSHED. NO PRODUCTION ANALYSIS AVAILABLE.

Comments on the reserve resource information

  • REMAINING IRON FORMATION IS NOT COMMERCIALLY VIABLE.

Reference information

Bibliographic references

General comments

Subject category Comment text
Deposit OPENED IN 1882, SHIPPED EVERY YEAR THROUGH 1896,EXCEPT 1894. STOCK PILE SHIPMENT IN 1942 BY PITTSBURGH COKE AND IRON CO. ORIGINALLY OPERATED BY MASTODON IRON CO. IN 1912 LEASED TO BALKAN MINING CO. AND OPERATED AS PART OF BALKAN-JUDSON GROUP OF MINES. THE LEASE WAS SURRENDERED AT THE CLOSE OF 1935. WORKED BY SUBLEVEL CAVING, UNDERGROUND.

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

Beyond USGS

Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.

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