Earth:Zhirkindek Formation
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| Zhirkindek Formation Stratigraphic range: Turonian-Coniacian ~92–88 Ma | |
|---|---|
| Type | Geological formation |
| Underlies | Bostobe Formation |
| Thickness | At least 42 m (138 ft) |
| Lithology | |
| Primary | Sandstone |
| Other | Claystone, siltstone |
| Location | |
| Coordinates | [ ⚑ ] : 46°12′N 64°12′E / 46.2°N 64.2°E |
| Paleocoordinates | [ ⚑ ] 41°00′N 57°18′E / 41.0°N 57.3°E |
| Region | Qyzylorda |
| Country | Kazakhstan |
  Zhirkindek Formation (Kazakhstan) | |
The Zhirkindek Formation is a Late Cretaceous geologic formation in Kazakhstan.[1] The primary lithology is sand with interbeds of clay and silt, and represents a coastal to coastal marine environment.[2] The formation has produced numerous fossils, including Lindholmemydid and Trionychid cryptodires, indeterminate remains of dinosaurs (Ankylosauridae indet., Hadrosauroidea indet., Neoceratopsia indet., Sauropoda indet., Tyrannosauroidea indet., Ornithomimidae indet., Therizinosauroidea indet and Dromaeosauridae indet) and an indeterminate species of pterosaur Azhdarcho.[3]
See also
- List of dinosaur-bearing rock formations
- List of fossiliferous stratigraphic units in Kazakhstan
References
- ↑ ((Various Contributors to the Paleobiology Database)). "Fossilworks: Gateway to the Paleobiology Database". https://www.fossilworks.org/.
- ↑ Kordikova, E. G.; Polly, P. D.; Alifanov, V. A.; Roček, Z.; Gunnell, G. F.; Averianov, A. O. (March 2001). "Small vertebrates from the late Cretaceous and early Tertiary of the northeastern Aral Sea region, Kazakhstan". Journal of Paleontology 75 (2): 390–400. doi:10.1017/S0022336000018187. ISSN 0022-3360. https://www.cambridge.org/core/journals/journal-of-paleontology/article/small-vertebrates-from-the-late-cretaceous-and-early-tertiary-of-the-northeastern-aral-sea-region-kazakhstan/6E253389963644FE96C232A4798D0748.
- ↑ Averianov, Alexander; Dyke, Gareth; Danilov, Igor; Skutschas, Pavel (2015-02-20). "The paleoenvironments of azhdarchid pterosaurs localities in the Late Cretaceous of Kazakhstan". ZooKeys (483): 59–80. doi:10.3897/zookeys.483.9058. ISSN 1313-2970. PMID 25755624. Bibcode: 2015ZooK..483...59A.
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