Definition, Meaning & Synonyms
lias
noun
/ˈlaɪəs/

Definition
Lias refers to a specific type of sedimentary rock formation that is primarily composed of limestone, clay, and shale.

Examples
- The region is famous for its lias deposits, which attract many paleontologists.
- Explorations of the lias have revealed significant fossil finds.
- This area’s geology is primarily composed of lias, making it a point of interest for geological studies.

Meaning
In geological terms, lias represents a suite of strata from the Jurassic period that is known for its fossil deposits.

Synonyms
- Jurassic rock
- Limestone formation