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glacial landscapes - Coggle Diagram
glacial landscapes
features of
glacial erosion
cirques
north side of mountain, compressed snow in hollow, plucking and abrasion, gravity stretches hollow downwards
aretes
steep ridge, 2 cirques back-to-back
U-shaped valleys
steep sides, flat floor, plucking and abrasion
fjord
drowned U-shaped valley
features of
glacial deposition
drumlin
mound of boulder clay, transported there by melted ice, steep side, lee side
eskers
narrow ridge of sand and gravel, tunnels go under glacier
erratic
large boulder transported a long distance by a glacier
outwash plain
lowland areas, sand and gravel, meltwater flows away carrying sand gravel and rocks
plucking and abrasion
plucking= removal of rock by ice
abrasion=rocks pulled along the ground and carried
moraines=long ridge that rocks are carried along