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  3. Mineral Resource Data System (MRDS)

Dunka Pit Fe deposit

Producer in St. Louis county in Minnesota, 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. Commodities
  6. Host and associated rocks
  7. Nearby scientific data
  8. Ore body information
  9. Economic information about the deposit and operations
  10. Mining district
  11. Mineral rights holdings
  12. Land status
  13. Ownership information
  14. Workings at the site
  15. Links to other databases
  16. Bibliographic references
  17. Reporter information

Geologic information

Identification information

Deposit ID 10170516
MAS/MILS ID 0271370230
Record type Site
Current site name Dunka Pit Fe deposit
Alternate or previous names P-M & Co Agt, Erie Mng Co, Erie Pit No 8

Geographic coordinates

Geographic coordinates: -91.85128, 47.7056 (WGS84)
Elevation 469

Site location context

Political divisions (FIPS codes)

St. Louis(county)

Minnesota(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Babbitt NE(quadrangle 1:24,000 scale)

Ely(quadrangle 1:100,000 scale)

Two Harbors(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Rainy Headwaters(hydrologic unit)

Rainy(hydrologic accounting unit)

Rainy(hydrologic subregion)

Souris-Red-Rainy(hydrologic region)

Federal lands

Superior National Forest(National Forest)

National Forest FS(Type of land area)

FS(Federal land areas administered by FS)

Geographic areas

Country State County
United States Minnesota St. Louis

Commodities

Commodity Importance
Iron Primary

Host and associated rocks

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

Nearby scientific data

(1) -91.85128, 47.7056
ListMap

Economic information

Ore body information

  • Strike N35E
    Dip 25S
    Thickness 227M
    Length 1524M
    Width 600M
    Depth to top 15M
  • Strike N35E
    Dip 25S
    Thickness 600M
    Length 1524M
    Width 600M
    Depth to top 305M
  • Area 2037HA

Economic information about the deposit and operations

Operation type Surface
Development status Producer
Commodity type Metallic
Significant No

Mining district

District name Western Margin Duluth Complex

Mineral rights holdings

Type of mineral rights Federal Lease
Type of mineral rights State Lease
Type of mineral rights Private Lease

Land status

Ownership category Federal

Ownership information

  • Type Operator
    Owner Erie Mining Co.
    Home office Minnesota
    First year 1987
  • Type Owner
    Owner Ltv Steel Co., Inc.
    Interest 100
    Home office Illinois
    First year 1987
  • Type Owner
    Owner Fleck Resources Ltd.
    Interest 100
    First year 1989
  • Type Operator
    Owner Argosy Mining Corp.
    First year 1990

Workings at the site

  • Type of workings Surface
    Area 102.7
  • Type of workings Underground
    Overall depth 901

Reference information

Bibliographic references

  • Deposit

    ERIE MNG CO

  • Deposit

    U S GOVT & STATE OF MN ET AL ERIE MNG CO 1978

Reporter information

Type Date Name Affiliation Comment
Reporter 18-NOV-1983 Intermountain Field Operations Center (IFOC) U.S. Bureau of Mines
Editor 28-FEB-2005 Woodruff, L.G. U.S. Geological Survey

Beyond USGS

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

Maps centered on this site