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Pine Lake Taconite Deposit

Prospect in Iron county in Wisconsin, United States with commodities Iron, Water, Free
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Warning: This record lacks important information: bibliographic references, which we consider necessary for a comprehensive report.
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. Workings at the site
  16. Links to other databases
  17. General comments
  18. Reporter information

Geologic information

Identification information

Deposit ID 10181270
MRDS ID W060027
MAS/MILS ID 0550510014
Record type Site
Current site name Pine Lake Taconite Deposit
Alternate or previous names Jones & Laughlin Pine Lake Deposit, Magnetic Center Deposit
Related records 10082598

Comments on the site names

  • MARENISCO RANGE.

Geographic coordinates

Point of reference Ore Body
Geographic coordinates: -90.10011, 46.2639 (WGS84)
Elevation 520
Location accuracy 100(meters)

Site location context

Political divisions (FIPS codes)

Iron(county)

Wisconsin(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Lake Evelyn(quadrangle 1:24,000 scale)

Ironwood(quadrangle 1:100,000 scale)

Ashland(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Bad-Montreal(hydrologic unit)

Southwestern Lake Superior(hydrologic accounting unit)

Western Lake Superior(hydrologic subregion)

Great Lakes(hydrologic region)

Geographic areas

Country State County
United States Wisconsin Iron

Public Land Survey System information

Meridian Township Range Section Fraction State
4th Principal 044 N 003 E 27 C Wisconsin

Commodities

Commodity Importance
Iron Primary
Water, Free Tertiary

Materials information

Materials Type of material
Biotite Unknown
Calcite Unknown
Chert Unknown
Chlorite Unknown
Hematite Unknown
Magnetite Unknown
Siderite Unknown

Nearby scientific data

Ore Body (1) -90.10011, 46.2639
ListMap

Economic information

Ore body information

  • Strike N75E
    Dip 65S
    Area 825HA
    Depth to top 18M
    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 OTHER
    Degree of Wallrock Alter. MODERATE
    Type of Wallrock Alter. #1 OTHER
    Strike And Dip N75E:65S
    Avg. Thick. Unconsol. Mat. 18
    Total Surface Area (HA) 825
    Date of Last Modification 820329

Comments on the geologic information

  • ORE EXTENDS TO AT LEAST 150 METERS DEPTH. ORE BODY HAS TWO MAIN CONCENTRATIONS OF MAGNETITE ORE: EAST CONCENTRATION = 2130 METERS LONG 110 METERS WIDE WEST CONCENTRATION = Y-SHAPED 1070 METERS LONG UP TO 400 METERS WIDE TOTAL THICKNESS OF THE ORE ZONES IS UNKNOWN.
  • ORE IS MAGNETITE TACONITE.

Economic information about the deposit and operations

Operation type Surface
Development status Prospect
Commodity type Both
Deposit size Small
Significant Yes
Mining method Open Pit
Milling method Flotation

Mining district

District name Lake Superior

Mineral rights holdings

Type of mineral rights Other
Type of mineral rights Fee Ownership

Land status

Ownership category Mixed

Ownership information

  • Type Owner
    Owner Iron County
    Home office Wisconsin
    Year 1982
    First year 1982
  • Type Owner-Operator
    Owner Ltv Steel Co., Inc.
    Home office Pennsylvania
    Year 1982
    First year 1983

Comments on the production information

  • PRECISE MILL RECOVERY IS 78.36%.

Comments on the reserve resource information

  • TONNAGE AND GRADE REPORTED IN WET VALUES.

Workings at the site

  • Type of workings Surface
    Area 70HA
    Field Value
    MAS Development Schedule # 1
    Mining Record # 1
    Status of Mining Method PROPOSED
    Mining Method OPEN PIT
    Swell Factor .68
    Percent Waste Rock 31.5
    Avg. Overburden Thickness 18
    Primary Material Cover SAND, GRAVEL
    Percentage 20
    Secondary Material Cover HARD ROCKS
    Hardness of Ore HARD ROCKS
    Avg. Bench Height (meters) 12
    Max. Pit Slope (degrees) 57
    Capacity 20000
    Capacity Units MT ORE/DAY
    Preprod. Stripping Vol. 21000
    Unit Production Cost 3.67
    Units of Production $/MT ORE
    Operating Days per Year 365
    Operating Shifts per Day 3
    Year of Information 1982

Comments on the workings information

  • TOTAL LAND HOLDING IS 665 HECTARES.

Reference information

General comments

Subject category Comment text
Deposit INFORMATION BASED ON DATA SUPPLIED BY RALPH W. MARSDEN UNDER FEDERAL BUREAU OF MINES GRANT #GO155058. THE PLANT CAPACITY WAS 7300000 MTPY. OTHER TYPE OF MINERAL HOLDINGS = COUNTY LEASE.

Reporter information

Type Date Name Affiliation Comment
Reporter 09-MAR-1995 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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