Glacial Erosion

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Occurs when meltwater at the base, back or sides of the glacier freezes onto the rock. The glacier moves down hill, and pulls the pieces of rock out.


Occurs where bits of rock in the ice grind against the rock below, wearing it away.

Rotational Slip

At the top of the glacier the ice moves in circular motions. this erodes the landscape into bowl-shape hollows.


1. water gets into cracks inside the rock

2. the water freezes and expands, creating pressure on the rock

3. the ice then thaws, releasing the pressure on the rock

4. this process repeats until


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