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craton

Line breaks: craton
Pronunciation: /ˈkratɒn
 
/

Definition of craton in English:

noun

Geology
A large stable block of the earth’s crust forming the nucleus of a continent.
Example sentences
  • Mobile belts of various ages seem to have stitched Africa's Archean cratons together by Himalayan-style continental collisions.
  • Much of the craton remained stable up to Triassic time, with sedimentary sequences dominated by shallow-water and subaerial sediments.
  • Many workers have interpreted the Zimbabwe craton as vertically accreted crust.

Origin

1930s: alteration of kratogen in the same sense, from Greek kratos 'strength'.

Derivatives

cratonic

1
adjective
Example sentences
  • Finally, small, intraplate events not obviously linked to a cratonic boundary are categorized as ‘hotspots’.
  • Many other mobile belts of various ages crisscross the African cratonic nuclei - these are all ripe for study.
  • The complex defines a series of cratonic fragments related to the collision of the Amazonian and Sao Francisco Cratons.

Definition of craton in:

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