ThesaurusLegend: Synonyms Related Words Antonyms
| Noun | 1. |  sedimentary rock - rock formed from consolidated clay sedimentsargillite - a sedimentary rock differing from shale in being bound by silica and from slate in having no slate cleavages rock, stone - material consisting of the aggregate of minerals like those making up the Earth's crust; "that mountain is solid rock"; "stone is abundant in New England and there are many quarries" arenaceous rock - a sedimentary rock composed of sand argillaceous rock - a sedimentary rock formed from clay deposits rudaceous rock - a sedimentary rock formed of coarse-grained material slate - a fine-grained metamorphic rock that can be split into thin layers limestone - a sedimentary rock consisting mainly of calcium that was deposited by the remains of marine animals shale - a sedimentary rock formed by the deposition of successive layers of clay |
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