Glacial Erosion Landforms - Aretes and Pyramidal Peaks Flashcards Preview

Geography - Ice on the Land BBC BITESIZE > Glacial Erosion Landforms - Aretes and Pyramidal Peaks > Flashcards

Flashcards in Glacial Erosion Landforms - Aretes and Pyramidal Peaks Deck (5)
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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.