Xiguayuan Formation
The Xiguayuan Formation is an Early Cretaceous (Barremian) geologic formation in Hebei Province of China. Fossil ornithopod tracks have been reported from the formation.[1] It was deposited in a shallow lacustrine setting and is noted for its hyperpycnite facies.[2]
| Xiguayuan Formation Stratigraphic range: Barremian ~129–125 Ma | |
|---|---|
| Type | Geological formation |
| Underlies | Quaternary sediments |
| Overlies | Zhangjiakou Formation |
| Thickness | Up to 2,500 m (8,200 ft) |
| Lithology | |
| Primary | Conglomerate, sandstone, siltstone, mudstone |
| Other | Volcanic and pyroclastic sediments |
| Location | |
| Region | Hebei |
| Country |  |
See also
- List of dinosaur-bearing rock formations
References
- Weishampel et al., 2004, pp.517-607
- Dou et al., 2020
Bibliography
- Dou, Luxing; Jiagen Hou; Suihong Song; Li Zhang; Yuming Liu; Shuang Sun; Yongqiang Li; Xixin Wang, and Xiaoxu Ren, Ying Tang and Heng Tian. 2020. Sedimentary characteristics of hyperpycnites in a shallow lacustrine environment: A case study from the Lower Cretaceous Xiguayuan Formation, Luanping Basin, Northeast China. Geological Journal 55. 3344–3360. doi:10.1002/gj.3599 ISSN 0072-1050
- Weishampel, David B.; Peter Dodson, and Halszka Osmólska (eds.). 2004. The Dinosauria, 2nd edition, 1–880. Berkeley: University of California Press. Accessed 2019-02-21. ISBN 0-520-24209-2
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