Share this entry
Keuper Line breaks: Keu¦per
Pronunciation: /ˈkɔɪpə/

Definition of Keuper in English:


[mass noun] Geology
A European series of sedimentary rocks of Upper Triassic age, represented in England chiefly by marls and sandstones: [as modifier]: the red Keuper marls
More example sentences
  • These are the Bunter, Muschelkalk and Keuper formations, which he grouped into the Trias, and today this is called the Triassic System.
  • The basins that contain the Keuper formed in part of the Atlantic rift system, where it extends into Europe.
  • Well crystallized illite, and chlorite are the most predominant clay minerals in the Keuper rocks, followed in amount by very well crystallized kaolinite, and palygorskite.


Mid 19th century (originally a miners' term): German.

Share this entry

What do you find interesting about this word or phrase?

Comments that don't adhere to our Community Guidelines may be moderated or removed.

Subscribe to remove ads and access premium resources