A rock fragment or grain resulting from the breakdown of larger rocks.

an individual piece of pre-existing rock.

a rock/mineral fragment

(geology) a constituent fragment of a clastic rock

a piece of rock broken off of another rock

A fragment in sedimentary rock.

A fragment of a rock formed by the breaking up of a larger body of rock. Clasts are often recemented together to form a breccia.

an individual fragment of rock produced by mechanical weathering or volcanic explosion.

An individual grain or fragment of sediment or rock.

Fragment of rock or mineral broken off from a large piece.

A fragment of a pre-existing rock or fossil embedded within another rock. more details...

Clast - A grain, fragment, or individual component of a sediment produced by the mechanical breakdown of a larger rock mass.

n. An individual grain or constituent of a rock; clastic- adj. Describes a rock or sediment composed mainly of fragments of preexisting rocks or minerals that have been transported some distance from their place of origin, e.g., sandstone, shale.

An individual particle or fragment of a sediment or rock produced by the mechanical weathering of a larger rock mass.

A fragment of rock that has been transported, either by volcanic or sedimentary processes.