Definition

Relating to a stable part of the Earth's crust that has survived the cycles of tectonic activity.

Example

The geological study focused on the cratonic regions of the continent.

Conversation

Have you heard about the cratonic regions in geology?

Yeah, they are the stable parts of the continental crust, right?

Exactly! They have been unchanged for millions of years.

It's fascinating how they can hold so much history.

Synonyms & Antonyms

Root Explanation

Cratonic → The word is derived from 'craton' (from Greek 'kratos', meaning strength or power) and the suffix '-ic' (meaning pertaining to). Thus, 'cratonic' refers to something pertaining to a craton, which is a stable and ancient part of the continental crust.

Memory Tip

Think of 'strength' ('kratos') to remember that 'cratonic' relates to the strong, stable parts of the Earth's crust.

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