Karabastau Formation
Geologic formation in Kazakhstan / From Wikipedia, the free encyclopedia
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The Karabastau Formation (Kazakh: Qarabastaý svıtasy) is a geological formation and lagerstätte in the Karatau Mountains of southern Kazakhstan whose strata date to the Middle to Late Jurassic. It is an important locality for insect fossils that has been studied since the early 20th century, alongside the rarer remains of vertebrates, including pterosaurs, salamanders, lizards and crocodiles.[1][2]
Quick Facts Type, Area ...
Karabastau Formation | |
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Stratigraphic range: Middle Jurassic - Late Jurassic Callovian–Kimmeridgian | |
Specimen of the salamander Karaurus sharovi | |
Type | Geological formation |
Area | Karatau Mountains |
Thickness | 26 m (85 ft) exposed |
Lithology | |
Primary | Claystone dolomite, |
Other | Sandstone, conglomerate |
Location | |
Region | Central Asia |
Country | ![]() |
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