| NOUN | object | clastic rock | (geology) a rock composed of broken pieces of older rocks |
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| Meaning | (geology) a rock composed of broken pieces of older rocks. | |
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| Category | geology | A science that deals with the history of the earth as recorded in rocks / rocks |
| Parts | clast | (geology) a constituent fragment of a clastic rock |
| Broader | rock, stone | A lump or mass of hard consolidated mineral matter |
| Adjectives | clastic | of or belonging to or being a rock composed of fragments of older rocks (e.g., conglomerates or sandstone) |