Erosional Landforms (AQA A-Level Geography): Flashcards
📚Flashcards
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10 cards from this deck
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Practise the cards
10 cards from this deck
Corrie
Corrie
Armchair-shaped hollow, steep back wall, rock lip, often has tarn
Tarn
Tarn
Small lake in corrie after ice melts
Arête
Arête
Narrow ridge when 2 corries erode backwards toward each other
Pyramidal peak
Pyramidal peak
Sharp summit when 3+ corries erode backwards from diff. sides
Glacial trough shape
Glacial trough shape
U-shaped with steep sides & wide flat floor
Hanging valley
Hanging valley
Tributary valley high up on main trough's valley side
Truncated spurs
Truncated spurs
Ridges sliced off by glacier, leaving steep valley walls
Roches moutonnées
Roches moutonnées
Asymmetric mounds: smooth stoss side up-valley, jagged lee down
Fjord
Fjord
Drowned glacial valley flooded when sea levels rose
Ribbon lake
Ribbon lake
Long narrow lake in rock basin after glaciation