Sherman Mine

Past Producer in St. Louis county in Minnesota, United States with commodity Iron
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 10195211
MRDS ID W018596
MAS/MILS ID 0271370021
Record type Site
Current site name Sherman Mine
Alternate or previous names Sherman Mines Group, South Fraser Mine
Related records 10072889

Geographic coordinates

Point of reference Trench
Geographic coordinates: -92.83351, 47.48329 (WGS84)
Elevation 465
Location accuracy 10(meters)

Site location context

Political divisions (FIPS codes)

St. Louis(county)

Minnesota(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Buhl(quadrangle 1:24,000 scale)

Hibbing(quadrangle 1:100,000 scale)

Hibbing(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

St. Louis(hydrologic unit)

St. Louis(hydrologic accounting unit)

Western Lake Superior(hydrologic subregion)

Great Lakes(hydrologic region)

Geographic areas

Country State County
United States Minnesota St. Louis

Public Land Survey System information

Meridian Township Range Section Fraction State
4th Principal 058 N 020 W 23 SE Minnesota

Commodities

Commodity Importance
Iron Primary

Materials information

Materials Type of material
Chert Unknown
Goethite Unknown
Hematite Unknown
Kaolinite Unknown
Martite Unknown

Nearby scientific data

Trench (1) -92.83351, 47.48329

Economic information

Ore body information

  • Strike N10E
    Dip 05S
    Thickness 152M
    Length 1200M
    Width 400M
    Area 90HA
    Depth to top 0M
    Field Value
    Type of Orebody #1 SEDIMENTARY
    Shape of Orebody #1 TABULAR
    Shape of Orebody #2 IRREGULAR
    Primary mode of Origin OXIDATION
    Secondary mode of Origin RESIDUAL CONCENT
    Primary Ore Control FOLDING
    Secondary Ore Control FRACTURING
    Degree of Wallrock Alter. UNKNOWN
    Type of Wallrock Alter. #1 UNKNOWN
    Strike And Dip N10E:05S
    Minimum Depth to Top 0
    Avg. Thick. Unconsol. Mat. 0
    Min. Thick. Unconsol. Mat. 0
    Total Surface Area (HA) 90
    Date of Last Modification 810902

Economic information about the deposit and operations

Operation type Surface
Development status Past Producer
Commodity type Metallic
Deposit size Large
Significant Yes
Year of first production 1948

Mining district

District name Mesabi District

Mineral rights holdings

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

Land status

Ownership category Private

Ownership information

  • Type Owner-Operator
    Owner U.S. Steel Corp
    ID 2100285
    Home office Pennsylvania
    Year 1981
  • Type Owner
    Owner Burt, W. R. (Estate)
    ID 2100285
    Year 1981

Comments on the ownership information

  • THE PERCENTAGE OF OWNERSHIP BY EACH OWNER UNKNOWN.

Reserves and resources

  • Type In-situ
    Estimate year 1980
    Measured 2699000000mt ore
    Commodity Subtype Grade units Group Importance Year
    Iron Fe 52.52 wt-pct Iron Major 1980
  • Type In-situ
    Estimate year 1980
    Measured 337900000mt ore
    Commodity Subtype Grade units Group Importance Year
    Iron Fe 52.52 wt-pct Iron Major 1980

Comments on the reserve resource information

  • ADIT UPDATE 1993: THE PROPERTY LAST OPERATED IN 1980. SEE MATRIX 3.
  • M1C1=R1, M2C1=R2. QUANT MATRIX 2 BASED ON 1980 PRODUCTION(CONC. SHIPPED) FROM SHERMAN MILL. AMOUNT OF TONS SHIPPED CONVERTED TO ORE PROCESSED THRU MILL USING FACTORS OF 60% FE CONC, 70% MILL RECOVERY, AND 52.52% FE GRADE. Q-MATRIX 3 ARE RESERVES COMPILED FOR THE ADIT UPDATE 1993 AND ARE FROM THE MINNESOTA MINING DIRECTORY 1992. THE GRADE WAS ASSUMED BASED ON THE PEFR GRADE (MATRIX 1).

Workings at the site

  • Type of workings Surface
    Area 20HA
    Field Value
    MAS Development Schedule # 1
    Mining Record # 1
    Status of Mining Method PROPOSED
    Mining Method BENCH (BERM)
    Swell Factor .61
    Percent Waste Rock 0
    Avg. Overburden Thickness 0
    Primary Material Cover SAND, GRAVEL
    Hardness of Ore M-HARD ROCKS
    Avg. Bench Height (meters) 9.1
    Max. Pit Slope (degrees) 68
    Capacity 14000
    Capacity Units MT ORE/DAY
    Preprod. Stripping Vol. 2600
    Unit Production Cost .97
    Units of Production $/MT ORE
    Operating Days per Year 193
    Operating Shifts per Day 3
    Year of Information 1981

Comments on other economic factors

  • MINE TRUCK TRANSPORTATION COST PART OF MINE OPERATING COST.

Reference information

Bibliographic references

  • Geology

    MARSDEN, R. W., ET AT. THE MESABI IRON ORE RANGE, MINN. IN

  • Geology

    RIDGE, J. D., EDITOR, ORE DEPOSITS OF THE UNITED STATES,

  • Geology

    1933 - 1967 (GRATON-SALES VOLUME I). CHAPTER 25, 1970,

  • Geology

    PP. 518-537.

  • Production

    SKILLINGS MINING REVIEW. U S STEEL TO DISMANTLE THREE

  • Production

    MESABI FACILITIES, JUNE 27, 1981, P. 6.

  • Reserve-Resource

    MINNESOTA MINING DIRECTORY 1981, MINN. RESOURCES RES.

  • Reserve-Resource

    CENTER, P. 147.

  • Reserve-Resource

    MARSDEN, R. W. IRON ORE RESERVES OF THE MESABI RANGE, MINN.

  • Reserve-Resource

    U S BUREAU OF MINES OPEN FILE REPORT NO. 109-80, JAN. 23,

  • Reserve-Resource

    1980, 73PP.

General comments

Subject category Comment text
Deposit THE PLANT CAPACITY WAS 2700000

Reporter information

Type Date Name Affiliation Comment
Reporter 09-MAR-95 Hite, Alan G. U.S. Bureau of Mines

Beyond USGS

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

Current status (per MSHA)

StatusAbandoned since 06/27/1983
MSHA mine ID2100285
Mine name (MSHA)Sherman Mine
Current operatorUnited States Steel Corp
Current controller (parent)USX Corp (United States Steel Corp)
Mine typeSurface (Metal / non-metal)

MSHA cross-reference per the original MRDS record. Mine status and operator reflect MSHA's last published Mines export (February 2025); MSHA's public bulk feed has been unavailable since, so this may be out of date. See the Mine Data Retrieval System for current status.

Open MSHA's Mine Data Retrieval System for inspections, accidents, and violations for this mine.

Operator history (post-MRDS)

MRDS records operators as of each record's last update (≤ 2019). Some of the operators listed here have since changed hands or dissolved:

Curated by qvyshift.com from publicly-reported M&A activity (SEC filings, press releases, USGS Mineral Yearbooks). Not authoritative — verify against primary sources before relying on it. The MSHA panel above is the current authoritative source for actively-permitted mines.

External references