Erosional Feature - Corrie
A corrie is formed when snow begins to gather in the hollow of a north facing mountain. This snow continues to fall and eventually, the snow which is underneath it is compressed into ice.This ice grows, and through the processes of plucking and abraision it deepens the hollow. Plucking is when the ice of the glacier which has been formed, attaches itself to the backwall and when it moves it pulls off some of the rock behind it. The rock which falls from plucking goes under the glacier and the glacier moves it to erode away the ground beneath it. When the glacier begins to move down the mountain side it deposits the rock which is underneath it and leaves a rock lip.

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