Rock cycleGlossaryClast
Geology, in plain language

What is
clast?

An individual fragment of broken rock or mineral that becomes part of a clastic sedimentary rock.

See the idea in context.

Sandstone ↗Shale ↗Conglomerate ↗Siltstone ↗Breccia ↗Browse the full glossary ↗Explore the rock cycle ↗