Regolith (/ˈrɛɡ. əˌlɪθ/) is a blanket of unconsolidated, loose, heterogeneous superficial deposits covering solid rock. It includes dust, broken rocks, and other related materials and is present on Earth, the Moon, Mars, some asteroids, and other terrestrial planets and moons.

What is regolith on Earth?

Regolith is loose, unconsolidated rock, mineral and glass fragments in the soil.

Is Dirt a regolith?

On Earth, regolith takes the form of dirt, soil, sand, and other components that are formed as a result of natural weathering and biological processes.