Steep Rock Iron Mine

Producer in Ontario, Canada with commodities Aluminum, Iron, Manganese, Phosphorus-Phosphates, Silica, Sulfur
Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Commodities
  6. Nearby scientific data
  7. Economic information about the deposit and operations
  8. Mineral rights holdings
  9. Ownership information
  10. Reserves and resources
  11. Workings at the site
  12. Links to other databases
  13. Bibliographic references
  14. Reporter information

Geologic information

Identification information

Deposit ID 10157857
MAS/MILS ID 1220400053
Record type Site
Current site name Steep Rock Iron Mine
Alternate or previous names Roberts Mine,, Hogarth Mine, Errington Mine

Geographic coordinates

Point of reference Ore Body
Geographic coordinates: -91.64297, 48.8231 (WGS84)
Elevation 400

Site location context

Political divisions (FIPS codes)

Alaska(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Quetico(quadrangle 1:250,000 scale)

Geographic areas

Country State
Canada Ontario

Commodities

Commodity Importance
Aluminum Critical Tertiary
Iron Tertiary
Manganese Critical Tertiary
Phosphorus-Phosphates Tertiary
Silica Tertiary
Sulfur Tertiary

Nearby scientific data

Ore Body (1) -91.64297, 48.8231

Economic information

Economic information about the deposit and operations

Operation type Surface
Development status Producer
Commodity type Both
Significant No

Mineral rights holdings

Type of mineral rights Unknown

Ownership information

  • Type Owner-Operator
    Owner Steep Rock Iron Mines, Ltd.
    Interest 100
    Home office Canada
    Year 1975

Reserves and resources

  • Type In-situ
    Estimate year 1968
    Indicated 250000000mt ore
    Demonstrated 250000000mt ore
    Total resources 250000000mt ore
    Commodity Subtype Grade units Group Importance Year
    Iron Fe 30 wt-pct Iron Trace 1968
  • Type In-situ
    Estimate year 1968
    Measured 21000000mt ore
    Indicated 280000000mt ore
    Demonstrated 301000000mt ore
    Total resources 301000000mt ore
    Commodity Subtype Grade units Group Importance Year
    Iron Fe 55 wt-pct Iron Trace 1968
    Silica SiO2 7 wt-pct Silica Trace 1968
    Sulfur S 0.05 wt-pct Sulfur Trace 1968
    Phosphorus-Phosphates P 0.04 wt-pct Phosphorus Trace 1968
    Manganese Mn 6.5 wt-pct Manganese Trace 1968
    Aluminum Al2O3 1 wt-pct Aluminum Trace 1968

Workings at the site

  • Type of workings Surface
    Field Value
    MAS Development Schedule # 1
    Mining Record # 2
    Mining Method BENCH (BERM)
    Capacity 9140
    Capacity Units MT ORE/DAY
    Preprod. Stripping Vol. 10000
    Units of Production $/MT ORE
    Year of Information 1977
  • Type of workings Underground
    Overall depth 423M
    Field Value
    MAS Development Schedule # 1
    Mining Record # 2
    Number of Shafts 2
    Capacity Units MT ORE/DAY
    Units of Production $/MT ORE
    Year of Information 1977

Reference information

Bibliographic references

  • Production

    CAPPER, P.S., A.K. BAYLIES AND D.S. MCCUAIG, STEEP ROCK IRON

  • Production

    MINES LIMITED; D.E. PICKETT, ED., IN MILLING PRACTICE IN

  • Production

    CANADA, CIM SPECIAL VOLUME 16, 1978, P.275-278.

  • Workings

    ENG. AND MIN. JOUR., STEEP ROCK HAS THE DEEPEST OPEN PITS IN

  • Workings

    CANADA; DEC., 1974, P.80,81.

  • Workings

    BRAWNER, C.O., P.F. STACEY AND R. STARK, A SUCCESSFUL

  • Workings

    APPLICATION OF MINING WITH PITWALL MOVEMENT; CIM BULL.,

  • Workings

    APRIL, 1976, P.68-75

  • Deposit

    WESTERN MINER, PRECISION BLENDING SYSTEM HELPS ORE FEED AT

  • Deposit

    STEEP ROCK IRON MINES OPERATION; OCT., 1976, P.61, 62.

  • Deposit

    CAPPER, P.S.,DUST CONTROL ACHIEVED AT STEEP ROCK WITHOUT

  • Deposit

    MAJOR CAPITAL EXPENDITURES; CANADIAN MINING JOURNAL,

  • Deposit

    OCT., 1976, P.52-57.

  • Deposit

    STARK, ROBERT O., WALL MOVEMENT MONITORING AT SRIM; CANADIAN

  • Deposit

    MINING JOURNAL, NOV., 1976, P.86-93.

Reporter information

Type Date Name Affiliation Comment
Reporter 21-OCT-1983 Porter, Kenneth E. U.S. Bureau of Mines

Beyond USGS

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