Gilbert-type delta

Gilbert-type delta

Gilbert-type delta A river delta which consists of a wedge-shaped body of sediment, comprising relatively thin, flat-lying, topset sediments, long, steeply dipping foresets which prograde (see progradation) from the river mouth, and thinner, flat-lying, bottomset or toeset deposits. Gilbert-type deltas are often developed in lakes, where river water and lake water are of the same density. It was first described by the American geologist Grove Karl Gilbert (1843–1918).

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MICHAEL ALLABY. "Gilbert-type delta." A Dictionary of Ecology. 2004. Encyclopedia.com. 27 May. 2012 <http://www.encyclopedia.com>.

MICHAEL ALLABY. "Gilbert-type delta." A Dictionary of Ecology. 2004. Encyclopedia.com. (May 27, 2012). http://www.encyclopedia.com/doc/1O14-Gilberttypedelta.html

MICHAEL ALLABY. "Gilbert-type delta." A Dictionary of Ecology. 2004. Retrieved May 27, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O14-Gilberttypedelta.html

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Gilbert-type delta

Gilbert-type delta A type of river delta which consists of a wedge-shaped body of sediment, comprising relatively thin, flatlying, topset sediments, long, steeply dipping foresets which prograde (see PROGRADATION) from the river mouth, and thinner, flat-lying, bottomset or toeset deposits. Gilbert-type deltas are often developed in lakes, where river water and lake waters are of the same density.

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

AILSA ALLABY and MICHAEL ALLABY. "Gilbert-type delta." A Dictionary of Earth Sciences. 1999. Encyclopedia.com. (May 27, 2012). http://www.encyclopedia.com/doc/1O13-Gilberttypedelta.html

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

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