concentric fold

A Dictionary of Earth Sciences | 1999 | 277 words | Copyright

concentric fold A parallel fold in which individual layers maintain a uniform orthogonal thickness and ideal fold surfaces are arcs of circles sharing a common centre. Due to geometric constraints, the fold profile must change continuously upwards and downwards. See also FOLD.

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AILSA ALLABY and MICHAEL ALLABY. "concentric fold." A Dictionary of Earth Sciences. 1999. Encyclopedia.com. 28 May. 2012 <http://www.encyclopedia.com>.

AILSA ALLABY and MICHAEL ALLABY. "concentric fold." A Dictionary of Earth Sciences. 1999. Encyclopedia.com. (May 28, 2012). http://www.encyclopedia.com/doc/1O13-concentricfold.html

AILSA ALLABY and MICHAEL ALLABY. "concentric fold." A Dictionary of Earth Sciences. 1999. Retrieved May 28, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O13-concentricfold.html

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