- an association of certain types of marine sedimentary rocks characteristic of deposition in a foredeep.
Origin of flysch
1845–55; < German < Swiss German flīsch referring to such deposits in the Swiss Alps; perhaps akin to Swabian dial. flins slate (akin to flint)
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for flysch
Flysch and Vienna sandstone, with younger nummulitic beds and Hring group.
Flysch, representing both the Cretaceous and Eocene systems, is widely distributed.
Lenticular intercalations of gabbro, diabase, &c., occur in the Flysch in Calabria on the Pyrenees.
- (sometimes not capital) a marine sedimentary facies consisting of a sequence of sandstones, conglomerates, marls, shales, and clays that were formed by erosion during a period of mountain building and subsequently deformed as the mountain building continued. The phenomenon was first observed in the Alps