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craton

[krey-ton] /ˈkreɪ tɒn/
noun, Geology
1.
a relatively rigid and immobile region of continental portions of the earth's crust.
See also platform (def 15), shield (def 13).
Origin of craton
1940-1945
1940-45; < German Kraton, based on Greek krátos power; cf. -cracy, -on2
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for craton
  • Perhaps it's related to areas of the continent that aren't underlain by ancient core rocks of the continental craton.
  • These sedimentary rocks that commonly lie closer to the margins of continents are the craton.
  • Tectonic juxtaposition of two or more terranes, or tectonic juxtaposition of terranes to a craton margin.
  • They gradually deteriorate to become part of the low-lying craton itself.
  • These changes all occur within a relatively short traverse from craton to basin.
British Dictionary definitions for craton

craton

/ˈkreɪtən/
noun
1.
(geology) a stable part of the earth's continental crust or lithosphere that has not been deformed significantly for many millions, even hundreds of millions, of years See shield (sense 7)
Derived Forms
cratonic (krəˈtɒnɪk) adjective
Word Origin
C20: from Greek kratos strength
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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craton in Science
craton
  (krā'tŏn')   
A large portion of a continental plate that has been relatively undisturbed since the Precambrian era and includes both shield and platform layers.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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