spreiten

A Dictionary of Earth Sciences | 1999 | 554 words | Copyright

spreiten (sing. spreite) From the German spreiten, meaning ‘to spread out’ or ‘to extend’, sedimentary laminae that result from the behaviour of an animal during feeding, excavation, or locomotion. They may be U-shaped, sinuous, blade-like, or spiralled, and they are always repeated over a small area. They reflect the intensive working of sediment for food. Well-defined spreiten are associated with Diplocraterion, Rhizocorallium, and Daedalus. In the latter they are arranged spirally around a single trunk. See FUGICHNIA.

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AILSA ALLABY and MICHAEL ALLABY. "spreiten." A Dictionary of Earth Sciences. 1999. Encyclopedia.com. 27 May. 2012 <http://www.encyclopedia.com>.

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AILSA ALLABY and MICHAEL ALLABY. "spreiten." A Dictionary of Earth Sciences. 1999. Retrieved May 27, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O13-spreiten.html

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