Quantou Formation

Quantou Formation
Stratigraphic range: Aptian to Early Cenomanian PreꞒ Ꞓ O S D C P T J K Pg N
Type	Geological formation
Unit of	Songliao Basin
Sub-units	First through Fourth Members
Underlies	Qingshankou Formation
Overlies	Denglouku Formation
Thickness	190 to 1379 m
Lithology
Primary	Sandstone
Other	Mudstone
Location
Region	Jilin
Country	China

The Quantou Formation is a Cretaceous Period (Mesozoic Era) geologic formation in China. It is primarily Albian in age. ^[1] It has been explored for its potential as a tight oil reservoir. ^{[2] [3]}

Dinosaur remains are among the fossils that have been recovered from the formation. ^[4]

Fossil content

Color key Taxon Reclassified taxon Taxon falsely reported as present Dubious taxon or junior synonym Ichnotaxon Ootaxon Morphotaxon		Notes Uncertain or tentative taxa are in small text; crossed out taxa are discredited.

Dinosaurs

Ornithopods

Ornithopods of the Quantou Formation
Genus	Species	Location	Stratigraphic position	Material	Notes	Images
Changchunsaurus	C. parvus				A thescelosaurid ornithopod
Helioceratops	H. brachygnathus				A archaeoceratopsid ceratopsian

Sauropods

Sauropods of the Quantou Formation
Genus	Species	Location	Stratigraphic position	Material	Notes	Images
Jiutaisaurus	J. xidiensis				A titanosauriform sauropod

Theropods

Theropods of the Quantou Formation
Genus	Species	Location	Stratigraphic position	Material	Notes	Images
Dromaeosauridae Indet. [5]	Indeterminate

See also

• List of dinosaur-bearing rock formations

Footnotes

1. WANG, Guodong; CHENG, Rihui; WANG, Pujun; GAO, Youfeng; WANG, Chengshan; REN, Yanguang; HUANG, Qinghua (March 2009). "Description of Cretaceous Sedimentary Sequence of the Quantou Formation Recovered by CCSD-SK-Is Borehole in Songliao Basin: Lithostratigraphy, Sedimentary Facies and Cyclic Stratigraphy". Earth Science Frontiers. 16 (2): 324–338. Bibcode:2009ESF....16..324W. doi:10.1016/s1872-5791(08)60078-0. ISSN   1872-5791.
2. Xi, Kelai; Cao, Yingchang; Haile, Beyene Girma; Zhu, Rukai; Jahren, Jens; Bjørlykke, Knut; Zhang, Xiangxiang; Hellevang, Helge (September 2016). "How does the pore-throat size control the reservoir quality and oiliness of tight sandstones? The case of the Lower Cretaceous Quantou Formation in the southern Songliao Basin, China". Marine and Petroleum Geology. 76: 1–15. Bibcode:2016MarPG..76....1X. doi:10.1016/j.marpetgeo.2016.05.001. ISSN   0264-8172.
3. Xi, Kelai; Cao, Yingchang; Jahren, Jens; Zhu, Rukai; Bjørlykke, Knut; Haile, Beyene Girma; Zheng, Lijing; Hellevang, Helge (December 2015). "Diagenesis and reservoir quality of the Lower Cretaceous Quantou Formation tight sandstones in the southern Songliao Basin, China". Sedimentary Geology. 330: 90–107. Bibcode:2015SedG..330...90X. doi:10.1016/j.sedgeo.2015.10.007. ISSN   0037-0738.
4. Weishampel, et al. (2004). "Dinosaur distribution." Pp. 517-607.
5. Yang, Li; Li, Xiaobo; Chen, Jun; Reisz, Robert R. (2024). "First discovery of large-bodied dromaeosaurid fossil materials (Dinosauria: Theropoda) from the Upper Cretaceous Quantou Formation, Songliao Basin, Northeast China". Cretaceous Research. 153. Bibcode:2024CrRes.15305711Y. doi:10.1016/j.cretres.2023.105711.

Bibliography

• Weishampel, David B.; Dodson, Peter; and Osmólska, Halszka (eds.): The Dinosauria, 2nd, Berkeley: University of California Press. 861 pp.  ISBN   0-520-24209-2.