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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