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Describe what a moraine is made of and explain how this glacier feature forms.

User Moritzrupp
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Moraines are made of till. They form when a glacier stays in one place for a long time and deposits a pile of till, then it retreats and leaves a moraine.
User Nazin
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Answer:

A moraine refers to a ridge, whose formation takes place when till gets deposited at the edge of the glacier. Till refers to the mixture of sediments, which a glacier deposits straightforwardly on the surface. Till is formed of various particles comprising distinct sizes. The formation of till takes place from the combination of sand, clay, gravel, silt, and boulders.

User Kamoo
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