Clast (Noun)
Meaning
(geology) a constituent fragment of a clastic rock.
Classification
Nouns denoting natural objects (not man-made).
Examples
- The conglomerate rock was composed of numerous clasts of varying sizes and compositions.
- The sandstone formation contained clasts of quartz, feldspar, and mica that had been eroded from a nearby mountain range.
- The geologist carefully examined the clasts in the sedimentary rock to determine their origin and history.
- The clasts in the breccia were angular and poorly sorted, indicating a high-energy depositional environment.
- The conglomerate clasts were cemented together by a matrix of finer-grained sediment that had been deposited later.