Glacial Erosion Landforms - Aretes and Pyramidal Peaks Flashcards
1
Q
What is an arete?
A
A knife-edge ridge.
2
Q
How is an arete formed?
A
When two neighbouring corries run back to back.
Each glacier erodes either side of the ridge, the edge becomes steeper and the ridge becomes narrower
3
Q
Give an example of an arete?
A
Striding Edge found on Helvellyn Lake District.
4
Q
How is a pyramidal peak formed?
A
Where 3 or more corries and aretes meet.
Glaciers have carved away at the top of a mountain creating a sharply pointed summit.
5
Q
Give an example of a pyramidal peak?
A
Matterhorn.
Alps.
