Definition of Keuper in English:

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Pronunciation: /ˈkɔɪpə/


[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.

For editors and proofreaders

Line breaks: Keu¦per

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