Origin of Eskers

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Diagrams showing the origins of eskers. A) A tunnel under the ice, nearly filled with sand and gravel by the subglacial stream which built up its bed to the level of the outlet. B) The same deposit after the ice melting of the supporting ice walls. Slumping has produced the characteristic steep side slopes.

Keywords

formation, origin, glacier, esker

Galleries

Glaciers

Source

Amadeus W. Grabau A Textbook of Geology (Boston: D.C. Heath & Co., 1920) 505

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