flysch

[flish]
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noun Geology.

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)
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British Dictionary definitions for flysch

Flysch

noun

(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

Word Origin for Flysch

Swiss German
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