Moraine

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Long Island, a large island off the coast of New York and Connecticut, is a terminal moraine.

the hills around this lake are all part of a terminal moraine.

A moraine is an accumulation of a mixture of material moved by a glacier.^[1]

Moraines consist of silt, clay, sand, gravel and rocks, all gathered from different locations the glacier crossed.^[1] Different parts of a moraine may consist of different proportions of the basic ingredients.

Terminal moraines form at the greatest extent of a glacier, ploughed up like a snow-plow.^[1]

Other moraines form when a glacier starts to melt, released silt, clay, sand, gravel and rocks that had been frozen within.^[1] Melting water carries the released material to a lower point on the glaciers surface. And, once the glacier has fully melted away, there is a pile of glacially carried material.

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