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Xiguayuan Formation

Coordinates: 45°54′N 117°18′E / 45.9°N 117.3°E / 45.9; 117.3
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Xiguayuan Formation
Stratigraphic range: Barremian
~129–125 Ma
TypeGeological formation
UnderliesQuaternary sediments
OverliesZhangjiakou Formation
ThicknessUp to 2,500 m (8,200 ft)
Lithology
PrimaryConglomerate, sandstone, siltstone, mudstone
OtherVolcanic and pyroclastic sediments
Location
Coordinates45°54′N 117°18′E / 45.9°N 117.3°E / 45.9; 117.3
Approximate paleocoordinates48°48′N 117°24′E / 48.8°N 117.4°E / 48.8; 117.4
RegionHebei
Country China
Xiguayuan Formation is located in China
Xiguayuan Formation
Xiguayuan Formation
Xiguayuan Formation
Xiguayuan Formation (China)
Xiguayuan Formation is located in Hebei
Xiguayuan Formation
Xiguayuan Formation
Xiguayuan Formation
Xiguayuan Formation (Hebei)

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]

Fossil content

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The formation has provided the following fossils:

Ichnofossils
Insects
Bivalves

See also

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References

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  1. ^ Weishampel et al., 2004, pp.517-607
  2. ^ Dou et al., 2020

Bibliography

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  • Dou, Luxing; Hou, Jiagen; Song, Suihong; Zhang, Li; Liu, Yuming; Sun, Shuang; Li, Yongqiang; Wang, Xixin; Ren, Ying Tang and Heng Tian, Xiaoxu (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 (5): 3344–3360, Bibcode:2020GeolJ..55.3344D, doi:10.1002/gj.3599, ISSN 0072-1050
  • Lockley, M. G.; Matsukawa, M. (1998), "Lower Cretaceous vertebrate tracksites of East Asia. In S. G. Lucas, J. I. Kirkland, and J. W. Estep (eds.), Lower and Middle Cretaceous Terrestrial Ecosystems", New Mexico Museum of Natural History and Science Bulletin, 14: 135–142
  • Weishampel, David B.; Dodson, Peter; Osmólska, Halszka (2004), The Dinosauria, 2nd edition, Berkeley: University of California Press, pp. 1–880, ISBN 0-520-24209-2, retrieved 2019-02-21