Erosional landforms of a Glacier Flashcards
What is a Corrie?
An armchair-shaped rock hollow, with a steep back wall and an over-deepened basin with a rock lip.
What is a glacial trough/ U-shaped valley?
A straightened, widened and deepened River valley that changes from it’s original V-shape to a U-shape.
What is a hanging valley?
A smaller tributary glacial valley that connects to a larger U-shaped valley
What is a Roche Moutonnée?
A small mound of resistant rock on the valley floor.
What are truncated spurs?
Interlocking spurs that have had their head eroded away.
What is a rock basin?
An area beneath a Glacier where compressional flow has over-deepened parts of the valley floor.
How is an Arête formed?
When two carries lie back to back or alongside each other.
What is a Pyramidal Peak?
When more than two carries develop on a side of a mountain the central mass will survive and is know as a Pyramidal Peak.
