Xiguayuan Formation
Xiguayuan Formation Stratigraphic range: Barremian ~ | |
---|---|
Type | Geological formation |
Underlies | Quaternary sediments |
Overlies | |
Thickness | Up to 2,500 m (8,200 ft) |
Lithology | |
Primary | Conglomerate, sandstone, siltstone, mudstone |
Other | Volcanic and pyroclastic sediments |
Location | |
Coordinates | 45°54′N 117°18′E / 45.9°N 117.3°ECoordinates: 45°54′N 117°18′E / 45.9°N 117.3°E |
Approximate paleocoordinates | 48°48′N 117°24′E / 48.8°N 117.4°E |
Region | Hebei |
Country | ![]() |
![]() ![]() ![]() ![]() Xiguayuan Formation (China) |
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[]
The formation has provided the following fossils:
- Ichnofossils
- Insects
- Bivalves
See also[]
- List of dinosaur-bearing rock formations
- List of stratigraphic units with ornithischian tracks
- Ornithopod tracks
- List of stratigraphic units with ornithischian tracks
References[]
Bibliography[]
- 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 ; ; ; ; ; ; ; , and . 2020.
- New Mexico Museum of Natural History and Science Bulletin 14. 135–142. , and . 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.
- The Dinosauria, 2nd edition, 1–880. Berkeley: University of California Press. Accessed 2019-02-21. ISBN 0-520-24209-2 ; , and . 2004.
Categories:
- Geologic formations of China
- Lower Cretaceous Series of Asia
- Cretaceous China
- Barremian Stage
- Conglomerate formations
- Mudstone formations
- Sandstone formations
- Siltstone formations
- Tuff formations
- Fluvial deposits
- Lacustrine deposits
- Ichnofossiliferous formations
- Paleontology in Hebei