Features of a glacier Flashcards
To be able to identify and define the features of a glacier.
What is the end of the glacier called?
Snout
What is the snout of the glacier?
The end of the glacier
What is a crevasse?
A deep crack in a glacier
What is a deep crack in a glacier called?
Crevasse
What is a glacial trough?
A U-shaped valley formed by glacial erosion - where the glacier carves out a straight sided, flat bottomed valley.
What is an arete?
A knife edged ridge formed where two corries are back to back e.g. Crib Goch on Snowdon.
What is the name of a knife edge ridge formed by two corries forming back to back?
Arete
What is a pyramidal peak?
Where 3 corries have formed back to back.
What is the accumulation zone?
where the accumulation of snow is greater than the melting - found at the top of the glacier.
What is the ablation zone?
Where melting is greater than accumulation of snow - found at the end of a glacier.
What is the lake called at the snout of a glacier?
A glacial meltwater lake.
