Sherwood Mine

Past Producer in Iron county in Michigan, United States with commodities Aluminum, Iron, Manganese, Phosphorus-Phosphates, Silica, Water, Free
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. Bibliographic references
  18. General comments
  19. Reporter information

Geologic information

Identification information

Deposit ID 10170551
MAS/MILS ID 0260710002
Record type Site
Current site name Sherwood Mine
Alternate or previous names Inland Steel Company

Geographic coordinates

Point of reference Main Entrance
Geographic coordinates: -88.53925, 46.11 (WGS84)
Elevation 490
Location accuracy 100(meters)

Site location context

Political divisions (FIPS codes)

Iron(county)

Michigan(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Gaastra(quadrangle 1:24,000 scale)

Iron River(quadrangle 1:100,000 scale)

Iron River(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Brule(hydrologic unit)

Northwestern Lake Michigan(hydrologic accounting unit)

Northwestern Lake Michigan(hydrologic subregion)

Great Lakes(hydrologic region)

Geographic areas

Country State County
United States Michigan Iron

Public Land Survey System information

Meridian Township Range Section Fraction State
Michigan 043 N 035 W 23 C SENE Michigan

Commodities

Commodity Importance
Aluminum Critical Tertiary
Iron Tertiary
Manganese Critical Tertiary
Phosphorus-Phosphates Tertiary
Silica Tertiary
Water, Free Tertiary

Materials information

Materials Type of material
Apatite Unknown
Calcite Unknown
Chert Unknown
Goethite Unknown
Hematite Unknown
Mica Unknown

Nearby scientific data

Main Entrance (1) -88.53925, 46.11

Economic information

Ore body information

  • Thickness 30M
    Length 805M
    Width 457M
    Area 11HA
    Depth to top 300M
    Field Value
    Type of Orebody #1 SEDIMENTARY
    Shape of Orebody #1 TABULAR
    Shape of Orebody #2 OTHER
    Primary mode of Origin OXIDATION
    Secondary mode of Origin SEDIMENTATION
    Primary Ore Control BEDDING
    Secondary Ore Control FAULTING
    Degree of Wallrock Alter. NONE
    Type of Wallrock Alter. #1 OTHER
    Strike And Dip E00W:
    Minimum Depth to Top 0
    Avg. Thick. Unconsol. Mat. 40
    Min. Thick. Unconsol. Mat. 0
    Total Surface Area (HA) 11
    Date of Last Modification 800815

Economic information about the deposit and operations

Operation type Underground
Development status Past Producer
Commodity type Both
Significant No
Discovery year 1851
Year of first production 1943

Mining district

District name Menominee Iron District

Mineral rights holdings

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

Land status

Ownership category Municipality

Ownership information

  • Type Owner-Operator
    Owner Inland Steel Corp.
    ID 2000428
    Interest 100
    Home office Illinois
    Year 1975

Comments on the production information

  • PRODUCTION IS ONGOING

Workings at the site

  • Type of workings Underground
    Overall depth 535M
    Field Value
    MAS Development Schedule # 1
    Mining Record # 1
    Status of Mining Method ESTIMATE
    Mining Method OPEN STOPE
    Swell Factor .6
    Hardness of Rock HARDROCK FISSURED WITH MODERATE WATER
    Rock Characteristics ONE SYSTEM OF WEAKNESS PLANES
    Rock Support Chars. SUPPORTING MAY BACK SLAB
    Mine Support Chars. POST, HEADBOARD, CAPS, ROOF BOLTS
    Number of Shafts 1
    Length of Inclines (m) 307
    Slope of Inclines 14
    Number of Inclines 1
    1st Condition of Workings OPEN
    2nd Condition of Workings OPEN
    3rd Condition of Workings OPEN
    Capacity 1513
    Capacity Units MT ORE/DAY
    Unit Production Cost 7.74
    Units of Production $/MT ORE
    Operating Days per Year 270
    Operating Shifts per Day 1
    Year of Information 1975

Reference information

Bibliographic references

  • Deposit

    -- INLAND TO SHIP 290,000 G.T. OF ORE AT SHERWOOD IN 1975, S

  • Deposit

    INGS MINING REVIEW, V.64, NO.17, 1975

  • Deposit

    -- SHERWOOD UNDERTAKES NEW UNDERGROUND MINE DEVELOPMENT, ENG

  • Deposit

    ING AND MINING JOURNAL, V.175, NO.11, 1974

  • Deposit

    -- NEW CLEANING METHOD USED BY INLAND AT SHERWOOD MINE, SKIL

  • Deposit

    MINING REVIEW, V.63, NO.46, 1974

  • Deposit

    -- MONTHLY NORMALS OF TEMPERATURE, PRECIPITATION, AND HEATIN

  • Deposit

    COOLING DAYS 1941-70 (MICH), CLIMATOLOGY OF THE U.S., NO.81,

  • Deposit

    ENVIRONMENTAL DATA SERVICE, NATL CLIMATIC CENTER, ASHEVILLE,

  • Deposit

    1973

  • Deposit

    -- INLAND IRON ORE SHIPMENTS AT 2,502,590 G.T. IN 1969, SKIL

  • Deposit

    MINING REVIEW, V.59, NO.4, 1970

  • Deposit

    -- LAKE SUPERIOR IRON ORES, 2ND ED., LAKE SUPERIOR IRON ORE

  • Deposit

    CLEVELAND, OHIO, 1952

  • Deposit

    -- VARIOUS STATISTICAL REPORTS, MICH DEPT OF CONSERVATION, G

  • Deposit

    DIV, LANSING, MICH, 1952, 1959-74

  • Deposit

    -- IRON ORE-1974, AMER IRON ORE ASSOC, CLEVELAND, OHIO

  • Deposit

    -- IRON RIVER QUADRANGLE, MICH, 7.5 MIN, USGS, WASH, DC, 194

  • Deposit

    -- HAMMES, J.K., ECONOMICS OF PRODUCING AND DELIVERING IRON

  • Deposit

    PELLETS FROM NORTH AMERICAN TYPE RESOURCES, 27 TH ANNUAL MIN

  • Deposit

    SYMPOSIUM, MINN SECTION, AIME, 1966

  • Deposit

    -- JAMES, DUTTON, PETTIJOHN AND WIER, GEOLOGY AND ORE DEPOSI

  • Deposit

    THE IRON RIVER-CRYSTAL FALLS DIST, IRON CTY, MICH, USGS PROF

  • Deposit

    570, 1968

  • Deposit

    -- JAMES, DUTTON AND WEIR, GEOLOGY AND MAGNETIC DATA FOR NOR

  • Deposit

    IRON RIVER AREA, MICH GEOL SUR RI-4, 1967

  • Deposit

    -- BEEN, WALFRED, CAPITAL AND OPERATING COSTS IN THE IRON MI

  • Deposit

    INDUSTRY, UNPUBLISHED REPORT, 1975

  • Deposit

    -- ESTIMATING HANDBOOK, CAPITAL AND OPERATING COST SYSTEM, A

  • Deposit

    MATHEWS INC, BUMINES CONTRACT JO255026, UNPUBLISHED DRAFT CO

General comments

Subject category Comment text
Deposit CORRECTIONS AND ADDITIONS TO MICH TECH CONTRACT WORK (GO1550 SCHMIDT, 1976. IRON STANDARDS USED REC 010 COMMODITIES FROM REC 702, PHOSPHORUS IS DELETERIOUS. UATOR IS MICHIGAN TECHNOLOGICAL UNIVERSITY, HOUGHTON, MICH REC 040 COL 17 IN MENOMINEE RANGE. COL 65 BASED ON SURFACE A UTILIZED BY SHAFT AND MINE PLANT, POSSIBLE SUBSIDENCE AREA N INCLUDED REC 080 COL 53 LENGTH OF ORE BODY IN SHERWOOD ONLY. KNOWN TO CONTINUE 1 KM AT VARIOUS LEVELS TO INACTIVE SPIES, VIRGIL, W AND HOMER MINES. COL 63 DOWNDIP EXTENT OF PRESENT MINING OPE , THOUGH CONTINUES TO UNKNOWN DEPTH. COL 69 DIP VARIES, PART WESTWARD PLUNGING SYNCLINE REC 111 BASED ON 10 YEARS PRODUCTION AT CURRENT CAPACITY. MA UNKNOWN. PREVAILING INDUSTRY TRENDS AND HIGH PHOSPHORUS CONT SHERWOOD ORE MAY REDUCE THE LIFE OF THIS MINE REC 120 COL 49 TOTAL LENGTH OF WORKINGS NOT AVAILABLE. COL 6 FROM SUMMARY FILE. COL 69 FROM MATTHEWS COSTING MANUAL, UNRE 1975 DOLLARS. ACQUISITION AND EXPLORATION NOT INCLUDED. SEE S FILE FOR BREAKDOWN REC 160 SHRWOD IS SHERWOOD, IND.HB IS INDIANA HARBOR, IND

Reporter information

Type Date Name Affiliation Comment
Reporter 28-FEB-1986 Mi-Tech-U 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 06/04/1980
MSHA mine ID2000428
Mine name (MSHA)Sherwood Mine
Current operatorInland Steel Mining Company
Current controller (parent)Inland Steel Industries Inc
Mine typeUnderground (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.