This process, for most glaciers, takes over a hundred years. Plucking – sometimes rocks get frozen to the base, sides and back wall of the glacier. The movement of the glacier pulls these frozen ...
The glacier erodes - wears away - the corrie in two ways. ‘Plucking’ steepens the back wall of the corrie, while ‘abrasion’ deepens the hollow. Corries like this were formed during the ice ...
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