Corries Flashcards
1
Q
What is the first stage in a corries formation
A
Snow collects in a sheltered hollow on the side of a mountain. It compresses and turns into ice
2
Q
What is the second stage in a corries formation
A
The glacier eventually moves down under the influence of gravity and abrades as it goes, rocks are plucked up and are embedded in the glacier. Freeze thaw weathering expands the cracks and rock is pulled out
3
Q
What is the last stage in the formation of a corrie
A
The eroded material is depostied and the base due to a lack of energy, creating a rock lip and the glacier melts, creating a tarn