Ziliujing Formation
The Ziliujing Formation is a geological formation in China, It is Early Jurassic in age. It is part of the stratigraphy of the Sichuan Basin. The dinosaur Gongxianosaurus and indeterminate theropod material are known from the Dongyuemiao Member of the formation, as well as dinosaur footprints, Zizhongosaurus and indeterminate prosauropods from the Daanzhai Member[1] The basal sauropod Sanpasaurus is known from the Maanshan Member.[2]
| Ziliujing Formation Stratigraphic range: Early Jurassic | |
|---|---|
| Type | Geological formation |
| Sub-units | Dongyuemiao Member, Maanshan Member, Daanzhai Member |
| Underlies | Xintiangou Formation |
| Overlies | Zhenzhuchong Formation |
| Thickness | Dongyuemiao M. 5 to 11.2 metres (20 to 40 ft), Maanshan M. 131 to 180 metres (430 to 590 ft) Daanzhai M. 18 to 45.2 metres (60 to 150 ft) |
| Lithology | |
| Primary | Mudstone |
| Other | Sandstone |
| Location | |
| Country |  |
| Extent | Sichuan Basin |
| Type section | |
| Named for | Ziliujing District |
References
- Xing, Lida; Peng, Guangzhao; Ye, Yong; Lockley, Martin G.; Klein, Hendrik; Persons, W. Scott; Zhang, Jianping; Shu, Chunkang; Hao, Baoqiao (2014-04-03). "Sauropod and Small Theropod Tracks from the Lower Jurassic Ziliujing Formation of Zigong City, Sichuan, China, with an Overview of Triassic–Jurassic Dinosaur Fossils and Footprints of the Sican Basin". Ichnos. 21 (2): 119–130. doi:10.1080/10420940.2014.909352. ISSN 1042-0940.
- McPhee BW, Upchurch P, Mannion PD, Sullivan C, Butler RJ, Barrett PM. (2016) A revision of Sanpasaurus yaoi Young, 1944 from the Early Jurassic of China, and its relevance to the early evolution of Sauropoda (Dinosauria) PeerJ 4:e2578 https://doi.org/10.7717/peerj.2578
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