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Ngày đăng: 29/11/2016, 23:49
Xem thêm: 18 wind erosion , 18 wind erosion , Glacial Striations: hard rocks projecting below the ice cut grooves., Cirques: spoon shaped basin at head of glacial valley., Arete: sharp ridge formed by 2 cirques, Horn: pyramid mountain peak formed by 3 or 4 cirques., Hanging Valley/Trough: a tributary valley not as deep as the main valley., Ice Scoured Plain: glacier stripped unconsolidated sediment leaving scoured bedrock with little lakes/swamps and small hills (northern Manitoba & Quebec, NWT)., Till Landforms a) Erratics: large boulder deposited by glacier, Outwash = Stratified Drift *Kettle: block of ice is buried by outwash ( or in a moraine). When it melts a depression is formed., Outwash = Stratified Drift Landforms e) Kame Terrace