flysch
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9.9
Layers of rock made from sand and mud that formed quickly under the sea when mountains were forming
- noun
- /flaɪʃ/
- Specialized
:
flysch
- The sedimentary layers of the region include a striking formation of flysch, which indicates rapid deposition in an ancient marine environment.
Examples
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The study focused on the characteristics of flysch deposits found in deep sea locations, highlighting their significance in understanding mountain building.
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The geological substrate is characterized by Tertiary clayey flysch, sandstone, and gypsum.
Blog text (27) -
During the hike, the geologist pointed out the distinct flysch formations that revealed the area's complex geological history.
Surface Forms
Etymology
Flysch comes from a German dialect word flischen that means 'to flow', like the English word 'flow'. So geologists call certain thick rock layers flysch because they formed when mud and sand flowed quickly into deep water during mountain building.