Nemegt Formation
Geological formation in Mongolia / From Wikipedia, the free encyclopedia
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The Nemegt Formation (also known as Nemegtskaya Svita) is a geological formation in the Gobi Desert of Mongolia, dating to the Late Cretaceous. The formation consists of river channel sediments and contains fossils of fish, turtles, crocodilians, and a diverse fauna of dinosaurs, including birds.
Quick Facts Type, Sub-units ...
Nemegt Formation | |
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Stratigraphic range: Maastrichtian ~70 Ma | |
Type | Geological formation |
Sub-units | Lower, Middle and Upper units |
Underlies | Alluvium |
Overlies | Barun Goyot Formation |
Thickness | Over 235 m (771 ft) |
Lithology | |
Primary | Shale, sandstone |
Other | Mudstone, conglomerate |
Location | |
Coordinates | 43.5°N 101.0°E / 43.5; 101.0 |
Approximate paleocoordinates | 40.8°N 90.2°E / 40.8; 90.2 |
Region | Bayankhongor Aimag, Omnogov, Ovorkhangai |
Country | Mongolia |
Extent | Gobi Desert |
Cretaceous-aged dinosaur fossil localities of Mongolia. Nemegt localities at area A. |
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