noun \ˈflish\

Definition of FLYSCH

:  a thick and extensive deposit largely of sandstone that is formed in a geosyncline adjacent to a rising mountain belt and is especially common in the Alpine region of Europe

Origin of FLYSCH

German, from German dialect
First Known Use: 1853

Rhymes with FLYSCH


noun    (Concise Encyclopedia)

Sequence of shales interbedded with thin, hard, graywacke-like sandstones. Such sequences are usually thousands of yards thick, but the individual beds are only a few inches to a few yards thick. The occasional presence of fossils indicates marine deposition. The term originally was applied to a formation of the Tertiary Period (now divided into the Paleogene and Neogene periods) in the northern Alpine region, but now flysch denotes similar deposits of other ages and places.


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