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Tilden Mound Deposit

Past Producer in Jackson county in Wisconsin, 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. Nearby scientific data
  9. Ore body information
  10. Economic information about the deposit and operations
  11. Mining district
  12. Mineral rights holdings
  13. Land status
  14. Ownership information
  15. Reserves and resources
  16. Workings at the site
  17. Links to other databases
  18. Bibliographic references
  19. General comments
  20. Reporter information

Geologic information

Identification information

Deposit ID 10229591
MRDS ID W062323
MAS/MILS ID 0550530008
Record type Site
Current site name Tilden Mound Deposit
Alternate or previous names Section 11 Mound
Related records 10082898

Geographic coordinates

Point of reference Ore Body
Geographic coordinates: -90.82983, 44.3078 (WGS84)
Elevation 280
Location accuracy 100(meters)

Site location context

Political divisions (FIPS codes)

Jackson(county)

Wisconsin(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Black River Falls(quadrangle 1:24,000 scale)

Black River Falls(quadrangle 1:100,000 scale)

Eau Claire(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Black(hydrologic unit)

Upper Mississippi-Black-Root(hydrologic accounting unit)

Upper Mississippi-Black-Root(hydrologic subregion)

Upper Mississippi(hydrologic region)

Geographic areas

Country State County
United States Wisconsin Jackson

Public Land Survey System information

Meridian Township Range Section Fraction State
4th Principal 021 N 004 W 11 C SWSE Wisconsin

Commodities

Commodity Importance
Iron Primary

Materials information

Materials Type of material
Hematite Unknown
Magnetite Unknown
Quartz Unknown

Nearby scientific data

Ore Body (1) -90.82983, 44.3078
ListMap

Economic information

Ore body information

  • Area 23HA
    Depth to top 41M
    Field Value
    Type of Orebody #1 SEDIMENTARY
    Shape of Orebody #1 TABULAR
    Primary mode of Origin SEDIMENTATION
    Secondary mode of Origin METAMORPHISM
    Primary Ore Control LITHOLOGY
    Secondary Ore Control FOLDING
    Minimum Depth to Top 0
    Avg. Thick. Unconsol. Mat. 20
    Total Surface Area (HA) 23
    Date of Last Modification 811222

Comments on the geologic information

  • PRECISE AMOUNT MAGNETITE = 32.37 WT %.
  • ORE DIPS WEST, TOWARD AND UNDER THE BLACK RIVER. PIT DIMENSIONS NEEDED TO MINE THIS DEPOSIT ESTIMATED TO BE 305 METERS BY 183 METERS.
  • ORE IS MAGNETITE TACONITE.

Economic information about the deposit and operations

Operation type Surface
Development status Past Producer
Commodity type Metallic
Significant Yes
Discovery year 1839
Mining method Open Pit
Year of first production 1856
Milling method Flotation

Mining district

District name Lake Superior

Mineral rights holdings

Type of mineral rights Fee Ownership

Land status

Ownership category Private

Ownership information

  • Type Owner
    Owner Inland Steel Co.

Comments on the ownership information

  • JACKSON COUNTY IRON COMPANY IS A WHOLLY-OWNED SUBSIDIARY OF INLAND STEEL COMPANY.

Comments on the production information

  • TOTAL MILL PRODUCT OUTPUT = 2083 METRIC TONS PER DAY.

Reserves and resources

  • Type In-situ
    Estimate year 1981
    Indicated 6110000mt ore
    Demonstrated 6110000mt ore
    Total resources 6110000mt ore
    Commodity Subtype Grade units Group Importance Year
    Iron Fe 32.37 wt-pct Iron Major 1981

Comments on the reserve resource information

  • PUBLISHED RESERVES FOR TONNAGE AND GRADE ARE HELD BY GEOLOGICAL AND NATURAL HISTORY SURVEY, UNIVERSITY OF WISCONSIN. ALL INFORMATION ON TAPES OF THE JACKSON COUNTY IRON COMPANY "ACTIVE MINE PERMIT HEARING", JANUARY 5&6, 1981.
  • TONNAGE AND GRADE ARE REPORTED IN WET VALUES.

Workings at the site

  • Type of workings Surface
    Area 5.5HA
    Field Value
    MAS Development Schedule # 1
    Mining Record # 1
    Status of Mining Method PROPOSED
    Mining Method BENCH (BERM)
    Swell Factor .68
    Percent Waste Rock 33.3
    Avg. Overburden Thickness 41
    Primary Material Cover SAND, SILT
    Percentage 49
    Secondary Material Cover M-HARD ROCKS
    Percentage 51
    Hardness of Ore HARD ROCKS
    Avg. Bench Height (meters) 11
    Max. Pit Slope (degrees) 45
    Capacity 2790
    Capacity Units MT ORE/DAY
    Preprod. Stripping Vol. 2098
    Unit Production Cost 4.57
    Units of Production $/MT ORE
    Operating Days per Year 365
    Operating Shifts per Day 1
    Year of Information 1981

Comments on the workings information

  • TOTAL LAND HOLDING AT TILDEN MOUND DEPOSIT IS 83 HECTARES.

Reference information

Bibliographic references

  • Reserve-Resource

    EVANS, T. ACTIVE MINE PERMIT HEARING TAPES. UNIV. OF

  • Reserve-Resource

    WISCONSIN, GEOL. AND NAT. HIST. SURVEY, JAN. 6,7, 1981.

General comments

Subject category Comment text
Deposit YEAR FIELD CHECKED (1976) BY RALPH W. MARSDEN UNDER FEDERAL BUREAU OF MINES GRANT #G0155058.

Reporter information

Type Date Name Affiliation Comment
Reporter 23-FEB-95 Carey U.S. Bureau of Mines

Beyond USGS

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

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