The Madygen Formation is a Triassic sedimentary formation in southwestern Kyrgyzstan, roughly two hundred and thirty million years old, preserving an unusually complete Triassic ecosystem including insects, plants and reptiles, among them the gliding reptile Sharovipteryx and the small reptile Longisquama, both notable for unusual body adaptations debated as early experiments in animal flight. The formation is one of the richest sources of Triassic insect fossils known.
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Source Madygen Formation (Wikipedia)
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Madygen Formation (Wikipedia)
In Discipline: Stratigraphy, Lead paragraph
The Madygen Formation (Russian: Madygen Svita) is a Middle-Late Triassic (Ladinian-Carnian) geologic formation and lagerstätte in the Batken and Osh Regions of western Kyrgyzstan, with minor outcrops in neighboring Tajikistan and Uzbekistan
Caused By: Sedimentation, Lead paragraph
The conglomerates, sandstones and mudstones of the 560 m (1,840 ft) thick formation were deposited in terrestrial lacustrine, alluvial, fluvial and deltaic environments
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