siltstone
From WikiWord, the free dictionary
English
Definitions
noun
- A sedimentary rock whose composition is intermediate in grain size between the coarser sandstone and the finer mudstone.
Related words
Synonyms
siltmetasiltstonemudstonegritstoneclaystoneargillitesandstonefreestonetilestonemudrockrudstonelutitepsephitemillstonemetamudstonemetasandstone