sedimentary rock

NOUN

rock formed from sediment

Synonyms

WEAK

chalk chemical sedimentary rock clastic rock conglomerate limestone lithified sediment mechanical sedimentary rock nonclastic rock sandstone shale stratified rock

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

Imprinted in sediments or sedimentary rock, they record a specific moment of activity and confirm the exact location where an individual stood or moved.

From Science Daily • Nov. 13, 2025

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