| Itat Formation | |
|---|---|
| Stratigraphic range: Bajocian-Bathonian ~ | |
| Type | Geological formation |
| Sub-units | Lower, Middle and Upper members |
| Underlies | Tyazhin Formation |
| Overlies | Ilan Formation |
| Thickness | Several hundred metres |
| Lithology | |
| Primary | Sandstone, mudstone, coal |
| Other | Siltstone |
| Location | |
| Coordinates | 55°42′N 89°12′E / 55.7°N 89.2°E |
| Approximate paleocoordinates | 58°12′N 86°42′E / 58.2°N 86.7°E |
| Region | Siberia |
| Country |  Russia |
| Extent | Krasnoyarsk krai, Nazarovo depression, SE West Siberian basin |
| Type section | |
| Named for | Itatsky |
  Itat Formation (Russia)  Itat Formation (Krasnoyarsk Krai) | |
The Itat Formation (Russian: итатская свита) is a geologic formation in western Siberia. It was deposited in the Bajocian to Bathonian ages of the Middle Jurassic.[1] Dinosaur remains are among the fossils that have been recovered from the formation, including the proceratosaurid Kileskus, as well as fish, amphibians, mammals and many other vertebrates.[2] The formation is noted for bearing significant coal reserves, with large open pit coal mines extracting lignite from the unit currently in operation.
- ^ Ivantsov, S. V.; Bystritskaya, L. I.; Krasnolutskii, S. A.; Lyalyuk, K. P.; Frolov, A. O.; Alekseev, A. S. (September 2016). "Middle Jurassic continental biota and paleolandscape in the Dubinino locality (Sharypovo area, Krasnoyarsk krai)". Stratigraphy and Geological Correlation. 24 (5): 486–502. Bibcode:2016SGC....24..486I. doi:10.1134/s0869593816050038. ISSN 0869-5938. S2CID 131891128.
- ^ Averianov AO, Martin T, Skutschas PP, Danilov IG, Schultz JA, Schellhorn R, et al. (2016). "Middle Jurassic vertebrate assemblage of Berezovsk coal mine in western Siberia (Russia)". Global Geology. 19 (4): 187–204. doi:10.3969/j.issn.1673-9736.2016.04.01.