Depositional Landforms (AQA A-Level Geography): Flashcards
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Practise the cards
10 cards from this deck
Lodgement till
Lodgement till
Material deposited directly by a moving glacier
Ablation till
Ablation till
Material released when ice melts at glacier snout
Drumlin
Drumlin
Streamlined hill formed from lodgement till
Max length of a drumlin
Max length of a drumlin
Up to 1.5 km
Drumlin swarms appearance from above
Drumlin swarms appearance from above
'Basket of eggs' topography
Terminal moraine
Terminal moraine
Ridge marking furthest point reached by glacier snout
Recessional moraine
Recessional moraine
Ridge marking where retreating glacier paused temporarily
Erratic
Erratic
Large rock transported & deposited in area w/ different geology
Purpose of studying erratics
Purpose of studying erratics
Track direction & extent of past glacier movement
Till plain
Till plain
Extensive flat area from widespread ice sheet deposition