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Describe the formation of the following glacial features. i) Hanging valley. ii) Arête

      

Describe the formation of the following glacial features.

i) Hanging valley.

ii) Arête

  

Answers


Martin
i) Hanging valley.

- There exist river valleys, both the main and tributary valley.
- A glacier occupies former river valley.
- Both the main and tributary valley are occupied by the glacier.
- There will be more erosion on the main valley compared to tributary valley.
- The main valley is therefore deepened and widened faster than tributary valley.
- The suspended tributary valley forms a hanging valley.

ii) Arête.

- Two adjacent cracks or hollows exist on a mountain side.
- The two hollows or cracks are filled with ice.
- The ice erodes the sides through plucking and deepens the hollow through abrasion.
marto answered the question on October 2, 2019 at 09:02


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