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lias

lias

1 9.9
A set of rock layers from the early Jurassic period found in parts of Europe
  • noun
  • /ˈlaɪəs/
  • UK
: lias
  • Geologists study the lias to understand the environmental conditions of the early Jurassic period.

Examples

  • Henry Henley, Lord of Lyme Manor, paid Mary 123 - a year's income to the Annings - for her Ichthyosaur when it was eventually raised, intact, from the Dorset Lias.

    Fiction book (2000)
  • Andrew Lias

    Blog text (4)
  • In addition, the location of the remains two hundred meters offshore was assessed in the context of the evidence of rates of coastal retreat in the Lower Lias geological materials of the area.

    Academic text (1991)
  • The fossils of ancient marine creatures were found in the lias rock layers at the coastal cliffs.

  • The road cut exposed the lias formation, revealing its unique fossil records and sedimentary structures.

Surface Forms

lias singular
lias plural

Etymology

Lias names a set of rock 'layers' from the early Jurassic, especially in parts of Europe. A helpful way to remember lias is to think of 'layers' of stone that often hold many fossils, which is why geologists use the name for this type of rock.