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Marathon large igneous province

Paleoproterozoic large igneous province along the southern Superior craton of Ontario, Canada

Pronunciation
/ˈmɛrəˌθɑn lɑrʤ ˈiɡniəs ˈprɑvəns/
/ˈmarəθən lɑːʤ ˈɪɡnɪəs ˈprɒvɪns/