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Synonyms

sedimentary rock

Cultural  
  1. Rock that has formed through the deposition and solidification of sediment, especially sediment transported by water (rivers, lakes, and oceans), ice (glaciers), and wind. Sedimentary rocks are often deposited in layers, and frequently contain fossils.


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Limestone and shale are common sedimentary rocks.

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

For centuries, Lake Maracaibo’s environs were known for natural seepage of oil rising to the surface from sedimentary rock, a phenomenon also seen in sites like Los Angeles’ La Brea Tar Pits.

From Los Angeles Times • Feb. 15, 2026

Shale is, after all, the most common sedimentary rock and found all over the world.

From The Wall Street Journal • Feb. 10, 2026

The study focuses on 15 middle-Devonian sedimentary rock samples from the Appalachian basin in the U.S.

From Science Daily • Apr. 15, 2024

But which sedimentary rock is that metamorphic rock derived from, hmm?

From Slate • Jan. 12, 2024

I have never seen a very large natural cave in Cyprus, although the caverns beneath the superficial stratum of sedimentary rock are so general.

From Cyprus, as I Saw It in 1879 by Baker, Samuel White, Sir