The Toutunhe Formation is a Late Jurassic geological formation in China, specifically dating to the Oxfordian and Kimmeridgian stages.[1] Dinosaur remains diagnostic to the genus level are among the fossils that have been recovered from the formation.[2] The lower portion of the formation consists of grey to reddish mudstone with medium to coarse grained cross bedded sandstone, while the upper portion consists primarily of brown-red-purple mudstone, interbedded with fine to medium grained laminated sandstone.[3]
| Toutunhe Formation | |
|---|---|
| Stratigraphic range: Oxfordian-Kimmeridgian, | |
| Type | Geological formation |
| Underlies | Qigu Formation |
| Overlies | Xishanyao Formation |
| Thickness | Around 400 metres |
| Lithology | |
| Primary | Mudstone, Sandstone |
| Location | |
| Region | Xinjiang |
| Country |  China |
| Extent | Southern Junggar Basin |
Paleofauna edit
Tianchisaurus nedegoapeferima - "Partial skeleton."[4]
See also edit
Footnotes edit
- ^ Huang, Diying (2019). "Jurassic integrative stratigraphy and timescale of China". Science China Earth Sciences. 62 (1): 223–255. doi:10.1007/s11430-017-9268-7. ISSN 1674-7313. S2CID 134359019.
- ^ Weishampel, et al. (2004). "Dinosaur distribution." Pp. 517-607.
- ^ "Jurassic sedimentary evolution of southern Junggar Basin: Implication for palaeoclimate changes in northern Xinjiang Uygur Autonomous Region, China". Journal of Palaeogeography. 3 (2): 145–161. April 2014. doi:10.3724/SP.J.1261.2014.00049 (inactive 31 January 2024).
{{cite journal}}: CS1 maint: DOI inactive as of January 2024 (link) - ^ "Table 17.1," in Weishampel, et al. (2004). Page 368.
References edit
- Weishampel, David B.; Dodson, Peter; and Osmólska, Halszka (eds.): The Dinosauria, 2nd, Berkeley: University of California Press. 861 pp. ISBN 0-520-24209-2.
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