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de Geer moraine

de Geer moraine A type of moraine landscape that consists of a series of separate, narrow ridges trending parallel to a former ice front, and which can form annually. The ridges may be up to 300 m apart and up to 15 m high. Each ridge consists typically of a till core, capped by a layer of partly rounded boulders. This landscape may have formed beneath the grounded part of an ice sheet that extended into a lake or sea. It was first described by the Swedish geologist Gerard Jacob de Geer (1858–1943).

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de Geer moraine

de Geer moraine A type of moraine landscape that consists of a series of separate, narrow ridges trending parallel to a former ice front, and which can form annually. The ridges may be up to 300 m apart and up to 15 m high. They consist typically of a till core, capped by a layer of partly rounded boulders. This landscape may have formed beneath the grounded part of an ice sheet that extended into a lake or sea. It is named after an early Swedish geologist.

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"de Geer moraine." A Dictionary of Earth Sciences. . Encyclopedia.com. 19 May. 2018 <http://www.encyclopedia.com>.

"de Geer moraine." A Dictionary of Earth Sciences. . Encyclopedia.com. (May 19, 2018). http://www.encyclopedia.com/science/dictionaries-thesauruses-pictures-and-press-releases/de-geer-moraine

"de Geer moraine." A Dictionary of Earth Sciences. . Retrieved May 19, 2018 from Encyclopedia.com: http://www.encyclopedia.com/science/dictionaries-thesauruses-pictures-and-press-releases/de-geer-moraine

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