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Archipelago

    Lake SuperiorCanada

    48°39′N 87°00′W

    Slate Islands

    5 mi) south of the town of Terrace Bay. The island group, consisting of 15 islands in total, was created by a meteorite impact which formed a crater about 32 km (20 mi) wide. In 1985, the Ontario government established the Slate Islands as a natural environment provincial park.

    30-foot tall shatter cone located in McGreevy Harbour, Slate Islands, Ontario Canada
    30-foot tall shatter cone located in McGreevy Harbour, Slate Islands, Ontario Canada

    Zatoichi26 (talk) / CC BY-SA 3.0

    Chart

    13 landforms

    Overview

    The Slate Islands are a small archipelago in Lake Superior, Ontario, Canada, about 12 kilometres (7.5 mi) south of the town of Terrace Bay. The island group, consisting of 15 islands in total, was created by a meteorite impact which formed a crater about 32 km (20 mi) wide. In 1985, the Ontario government established the Slate Islands as a natural environment provincial park. The islands are notable for having Ontario's largest herd of boreal woodland caribou.

    From Wikipedia, CC BY-SA 4.0

    Census, cataloged

    • Major islands2
    • Minor islands5
    • Islets6
    • Rocks & skerries0

    Major islands

    2

    Minor islands

    5

    Islets

    6

    Figures

    Comparative heights

    Sea level100 m200 m300 m400 m310 mMortimer304 mPatterson256 mDelaute233 mMcColl231 mEdmonds214 mBowes213 mDupuis192 mBurk192 mFrançois191 mShell186 mPearl186 mCove180 mJacks
    High points by island, metres above sea level.

    Islands by area

    0.0010.010.1110100Patterson: 28.2 km²PattersonMortimer: 7.5 km²MortimerMcColl: 0.71 km²McCollDelaute: 0.42 km²DelauteEdmonds: 0.26 km²EdmondsBowes: 0.18 km²BowesDupuis: 0.14 km²DupuisBurk: 0.01 km²BurkShell: 0.9 haShellPearl: 0.9 haPearlCove: 0.8 haCoveFrançois: 0.8 haFrançoisJacks: 0.2 haJacks
    km², log scale
    Patterson Island28.2 km²
    Mortimer Island7.5 km²
    McColl Island0.71 km²
    Delaute Island0.42 km²
    Edmonds Island0.26 km²
    Bowes Island0.18 km²
    Dupuis Island0.14 km²
    Burk Island0.01 km²
    Shell Island0.9 ha
    Pearl Island0.9 ha
    Cove Island0.8 ha
    François Island0.8 ha
    Jacks Island0.2 ha

    Sources

    Facts

    • Geometry, areas and high points: OpenStreetMap contributors (ODbL), Copernicus GLO-30, via Talus.
    • Wikidata
    • Wikipedia

    Photographs