Definition

A process where the chemical makeup of a rock changes due to interaction with fluids, leading to the replacement of one mineral with another without melting.

Example

Metasomatism can significantly alter the properties of rocks in geological formations.

Conversation

I was reading about how metasomatism can change rock compositions.

Really? That sounds interesting! How does it work?

It involves fluids interacting with the minerals, replacing them without melting.

Wow, I had no idea rocks could change like that.

Synonyms & Antonyms

Root Explanation

Metasomatism is formed from "meta-" (meaning change or transformation) and "somatos" (from Greek, meaning body). The term describes the process of chemical alteration of a rock's composition, effectively transforming its body.

Memory Tip

Think of 'meta-' meaning change and 'somatos' referring to body — this helps you remember that metasomatism involves a transformation of the rock's body.

Visually Confused Words