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craton
[ krey-ton ]
noun
, Geology.
- a relatively rigid and immobile region of continental portions of the earth's crust.
craton
/ krəˈtɒnɪk; ˈkreɪtən /
noun
- 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
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.
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Derived Forms
- cratonic, adjective
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Word History and Origins
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Word History and Origins
Origin of craton1
C20: from Greek kratos strength
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