Shaping landscapes 4.3: Glaciers

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• Leerjaar 1

Shaping landscapes 4.3

Glaciers

Weathering because of frost

Weathering because of the sun

Biological weathering (due to plants)

Chemical weathering

This type of weathering the composition does NOT change

Shrinking and expanding of rock because of big differences in temperature.

1. Weathering due to frost
2. Weathering due to the sun
3. Weathering because of plants
4. Chemical weathering

Goals

After studying this section, you will be able to:

- Describe and name the different components of glaciers and their landscapes

- Explain how glaciers formed landscapes

Glaciers often start in a cirque

Snow is collected due to the arm-chair or bowl like shape

Weathering and erosion of glaciers

Forming U-shaped valleys or hanging valleys

                       Deposition

Glaciers also carry the eroded rocks and sediments to other places. Putting sediments down is called deposition.