craton

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Definitions from WordNet

Noun craton has 1 sense

craton - the part of a continent that is stable and forms the central mass of the continent; typically Precambrian
--₁ is a kind of part, piece
--₁ is a part of continent

Definitions from the Web

Definition of Craton:

A craton is a large, stable portion of the Earth's crust that forms the core of a continent and is typically composed of ancient rocks. It is relatively tectonically stable and has not undergone significant deformation for millions of years.

Sample Sentences:

The craton underlying North America is known as the North American Craton and is one of the most stable regions on Earth.
The Archean craton in Western Australia contains some of the oldest rocks on the planet.
Cratons are important geological features that provide valuable insights into the Earth's ancient history.

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