The Daye Formation is a geologic formation in South China, dating from the Induan up to the early Olenekian (early Triassic).[1][2] It is of interest as it spans the period immediately after the Permian-Triassic extinction event, the most severe mass extinction known in Earth history.

Daye Formation
Stratigraphic range: Induan - early Olenekian, 252.3–250.7 Ma
TypeGeological formation
Thickness~10 meters
Lithology
PrimaryShale, limestone
Location
Regionsouth China
CountryChina
Daye Formation is located in China
Daye Formation
Daye Formation (China)

The Daye Formation hosts the Guiyang biota, as of 2023 the earliest known Mesozoic lagerstätte.[3]

References

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  1. ^ Gao,M., Mei, M. (November 2012). "Giant Induan oolite: A case study from the Lower Triassic Daye Formation in the western Hubei Province, South China". Geoscience Frontiers. 3 (6): 843–851. Bibcode:2012GeoFr...3..843M. doi:10.1016/j.gsf.2011.11.017.{{cite journal}}: CS1 maint: multiple names: authors list (link)
  2. ^ Yang, T., Wu, H. (December 16, 2011). "Milankovitch and sub-Milankovitch cycles of the early Triassic Daye Formation, South China and their geochronological and paleoclimatic implications". Gondwana Research. 22 (2): 748–759. doi:10.1016/j.gr.2011.12.003. Retrieved 14 March 2023.{{cite journal}}: CS1 maint: multiple names: authors list (link)
  3. ^ Dai, X.; Davies, J. H. F. L.; Yuan, Z.; Brayard, A.; Ovtcharova, M.; Xu, G.; Liu, X.; Smith, C. P. A.; Schweitzer, C. E.; Li, M.; Perrot, M. G.; Jiang, S.; Miao, L.; Cao, Y.; Yan, J.; Bai, R.; Wang, F.; Guo, W.; Song, H.; Tian, L.; Dal Corso, J.; Liu, Y.; Chu, D.; Song, H. (2023). "A Mesozoic fossil lagerstätte from 250.8 million years ago shows a modern-type marine ecosystem". Science. 379 (6632): 567–572. Bibcode:2023Sci...379..567D. doi:10.1126/science.adf1622. PMID 36758082. S2CID 256697946.