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South Butternut Deposit

Prospect in Ashland 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. Workings at the site
  15. Links to other databases
  16. General comments
  17. Reporter information

Geologic information

Identification information

Deposit ID 10156790
MRDS ID W062321
MAS/MILS ID 0550030013
Record type Site
Current site name South Butternut Deposit
Alternate or previous names Jones & Laughlin Butternut Deposit
Related records 10082897

Geographic coordinates

Point of reference Ore Body
Geographic coordinates: -90.51012, 46.0092 (WGS84)
Elevation 460
Location accuracy 100(meters)

Site location context

Political divisions (FIPS codes)

Ashland(county)

Wisconsin(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Peeksville(quadrangle 1:24,000 scale)

Ironwood(quadrangle 1:100,000 scale)

Ashland(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Flambeau(hydrologic unit)

Chippewa(hydrologic accounting unit)

Chippewa(hydrologic subregion)

Upper Mississippi(hydrologic region)

Geographic areas

Country State County
United States Wisconsin Ashland

Public Land Survey System information

Meridian Township Range Section Fraction State
4th Principal 041 N 001 W 29 NENENE Wisconsin

Commodities

Commodity Importance
Iron Primary
Water, Free Tertiary

Materials information

Materials Type of material
Biotite Unknown
Chert Unknown
Chlorite Unknown
Hematite Unknown
Magnetite Unknown
Sericite Unknown

Nearby scientific data

Ore Body (1) -90.51012, 46.0092
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Economic information

Ore body information

  • Thickness 70M
    Length 2130M
    Width 170M
    Area 500HA
    Depth to top 30M
    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 UNKNOWN
    Degree of Wallrock Alter. MODERATE
    Type of Wallrock Alter. #1 UNKNOWN
    Minimum Depth to Top 15
    Avg. Thick. Unconsol. Mat. 30
    Min. Thick. Unconsol. Mat. 15
    Total Surface Area (HA) 500
    Date of Last Modification 810617

Comments on the geologic information

  • LENGTH AND WIDTH DIMENSIONS REFLECT EXTENT OF MAGNETIC ANOMALY, NOT TRUE ORE BODY DIMENSIONS.

Economic information about the deposit and operations

Operation type Surface
Development status Prospect
Commodity type Metallic
Significant Yes
Mining method Open Pit
Milling method Magnetic

Mining district

District name Lake Superior

Mineral rights holdings

Type of mineral rights Fee Ownership
Type of mineral rights Private Lease

Land status

Ownership category Private

Comments on the production information

  • PRECISE MILL RECOVERY IS 72.65 PERCENT.

Workings at the site

  • Type of workings Surface
    Field Value
    MAS Development Schedule # 1
    Mining Record # 1
    Status of Mining Method PROPOSED
    Mining Method BENCH (BERM)
    Swell Factor .68
    Percent Waste Rock 32.7
    Avg. Overburden Thickness 30
    Primary Material Cover SAND, GRAVEL
    Secondary Material Cover HARD ROCKS
    Hardness of Ore HARD ROCKS
    Avg. Bench Height (meters) 11
    Max. Pit Slope (degrees) 48
    Capacity 6197
    Capacity Units MT ORE/DAY
    Preprod. Stripping Vol. 402
    Unit Production Cost 4.61
    Units of Production $/MT ORE
    Operating Days per Year 365
    Operating Shifts per Day 3
    Year of Information 1981

Comments on the workings information

  • TOTAL LAND HOLDING IS 450 HECTARES.

Comments on other economic factors

  • WASTE PERCENT DOES NOT INCLUDE OVERBURDEN. PRECISE PROPOSED BENCH HEIGHT IS 10.7 METERS. MINE RECOVERY ASSUMED TO BE 100% WITH NEGLIGIBLE DILUTION. TOTAL REQUIRED MINE PERSONNEL IS ESTIMATED TO BE 134. MINING REQUIRES REMOVAL OF 3013 MT WASTE AND 7264 MT OVERBURDEN PER DAY.

Reference information

General comments

Subject category Comment text
Deposit INFORMATION BASED ON DATA SUPPLIED BY RALPH W. MARSDEN UNDER FEDERAL BUREAU OF MINES GRANT #G0155058. THE PLANT CAP[ACITY WAS 2261000 MTPY.

Reporter information

Type Date Name Affiliation Comment
Reporter 09-MAR-95 Wilburn, David R. 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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