Definition, Meaning & Synonyms

craton

noun
/ˈkreɪ.tɒn/
Definition
A stable and ancient part of the continental crust that has survived the cycles of plate tectonics.
Examples
  • Many cratons are rich in natural resources, making them important for mining.
  • The Canadian Shield is a well-known craton that covers a significant area of Canada.
  • Geologists study cratons to understand the history and formation of the Earth’s crust.
Meaning
Cratons are large, stable blocks of the Earth’s crust that have not been affected by tectonic activity for a long time, often forming the core of continents.
Synonyms
  • Shield
  • Basement rock
  • Stable platform