Zuoyun Formation
Early Cretaceous geologic formation in China
| Zuoyun Formation | |
|---|---|
| Stratigraphic range: Albian PreꞒ Ꞓ O S D C P T J K Pg N | |
| Type | Geological formation |
| Underlies | Zhumapu Formation |
| Lithology | |
| Primary | Conglomerate, mudstone |
| Location | |
| Coordinates |   Zuoyun Formation (China) Show map of China Zuoyun Formation (Shanxi) Show map of Shanxi |
The Zuoyun Formation is an Early Cretaceous (estimated Albian)[1] geologic formation in Shanxi Province, China.[2] Dinosaur fossils attributable to the genus level are known from this formation.[1] During the Early Cretaceous, the Zuoyun area was generally dominated by an arid subtropical environment. There was irregular alternation of arid and humid climate, during which catastrophic flooding resulted in thick proluvial fan conglomerate-mudstone deposits.[3]
Dinosaurs
Remains of the following dinosaurs have been found in the formation:
See also
References
- ^ a b c Jia, Lei; Li, Ning; Dong, Liyang; Shi, Jianru; Kang, Zhishuai; Wang, Suozhu; Xu, Shichao; You, Hailu (2024-01-31). "A new stegosaur from the late Early Cretaceous of Zuoyun, Shanxi Province, China". Historical Biology: 1–10. doi:10.1080/08912963.2024.2308214. ISSN 0891-2963.
- ^ Yu,J.-X. (1986) The sporo-pollen assemblage from the Zuoyun Formation in Northwestern Shanxi and paleoclimate. Geological Review (Dizhi Lunping) Vol. 32:3, pg. 217- 224
- ^ 董黎阳, 伊剑; DONG Liyang, YI Jian (2018-03-24). "山西左云地区下白垩统左云组沉积相及其古气候意义". 地质论评 (in cn). 64 (2): 392–404. ISSN 0371-5736.
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