Daye Formation

Daye Formation
Daye Formation
Stratigraphic range: Induan - early Olenekian, 252.3–250.7 Ma PreꞒ Ꞓ O S D C P T J K Pg N ↓
Type	Geological formation
Thickness	~10 meters
Lithology
Primary	Shale, limestone
Location
Region	south China
Country	China
	Daye Formation (China)

Last updated May 24, 2025

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.

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

References

↑ 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)
↑ 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)
↑ 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.

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[gao-2012-1] 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)

[yang-2011-2] 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)

[dai2023-3] 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.

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