Definition

The study of how rocks, particularly igneous ones, are formed and where they come from.

Example

Petrogenesis helps geologists understand the processes that create different types of rocks.

Conversation

Have you heard about petrogenesis?

No, what's that about?

It's the study of how rocks, especially igneous ones, are formed.

That sounds really interesting! I didn't know there was a specific term for it.

Synonyms & Antonyms

Root Explanation

Petrogenesis → It is formed from "petro-" (from Greek "petra", meaning rock) and "genesis" (from Greek "genesis", meaning origin or creation). The word refers to the origin or formation of rocks.

Memory Tip

Think of 'rock' ('petra') being formed or created ('genesis') — that's what petrogenesis means.

Visually Confused Words