Word Study
clastic
CIDE DICTIONARY
clastic, a. [Gr. br, fr. to break.].
- Pertaining to what may be taken apart; as, clastic anatomy (of models). [1913 Webster]
- Fragmental; made up of brok/ fragments; as, sandstone is a clastic rock. [1913 Webster]
OXFORD DICTIONARY
clastic, adj. Geol. composed of broken pieces of older rocks.
Idiom
clastic rocks conglomerates, sandstones, etc.
Etymology
F clastique f. Gk klastos broken in pieces
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