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DOI	10.1016/j.palaeo.2019.02.004
	Synchronous onset of the Mid-Carnian Pluvial Episode in the East and West Tethys: Conodont evidence from Hanwang; Sichuan; South China
	Jiang H.; Yuan J.; Chen Y.; Ogg J.G.; Yan J.
发表日期	2019
ISSN	0031-0182
起始页码	173
结束页码	180
卷号	520
英文摘要	The Mid-Carnian Pluvial Episode (or “Carnian Wet Intermezzo”) interrupted the generally arid climate of the Triassic in different regions. An enhanced high-resolution time scale, especially with intercalibrated ammonoid, conodont and magnetic polarity zones, is required to understand the global coincidence of regional manifestations of this climatic change and possible causation factors. The termination of oolite-rich limestones and the initial influx of terrigenous debris at the Unit 1 to Unit 2 boundary in the Guanyinya and Qingyangou sections from Hanwang of the Sichuan Province, South China, are interpreted as a local shift from arid to humid climate. A detailed conodont sampling assigns this facies change to within the Mazzaella carnica range zone of the late Julian substage. Therefore, the conodont markers imply it is coeval with the onset of the mid-Carnian “ Rheingraben Event” at the Rappoltstein reference section in southern Germany; and ammonoids in that section enable correlation to the beginning of a negative carbon-isotope excursion that coincides with the termination of the Yangtze Platform at the Longchang reference section in Guizhou, South China. The first occurrence of Parapetella? guanyinensis sp. nov. is very close to the onset of the interpreted Carnian Pluvial Episode at Hanwang and to the cessation of widespread shallow-water carbonate facies in South China. In contrast to this “Intermezzo” episode in the West Tethys region, arid conditions did not resume in South China in the Eastern Tethys until long after the termination of this wet climate in late Julian. © 2019
英文关键词	Biostratigraphy; Climate change; Late Triassic; Mazzaella carnica
语种	英语
scopus关键词	ammonite; biofacies; biostratigraphy; Carnian; climate change; conodont; episodic event; terrigenous deposit; Tethys; Triassic; China; Germany; Guizhou; Sichuan; Yangtze Platform; Ammonoidea; Mazzaella
来源期刊	Palaeogeography, Palaeoclimatology, Palaeoecology
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/151025
作者单位	State Key Laboratory of Biogeology and Environmental Geology, School of Earth Sciences, China University of Geosciences, Wuhan, 430074, China; State Key Laboratory of Oil and Gas Reservoir Geology and Exploitation, Chengdu University of Technology, Chengdu, Sichuan 610059, China; Department of Earth, Atmospheric and Planetary Sciences, Purdue University, West Lafayette, IN 47907, United States; Hubei Institute of Geosciences, Wuhan, Hubei 430034, China
推荐引用方式 GB/T 7714	Jiang H.,Yuan J.,Chen Y.,et al. Synchronous onset of the Mid-Carnian Pluvial Episode in the East and West Tethys: Conodont evidence from Hanwang; Sichuan; South China[J],2019,520.
APA	Jiang H.,Yuan J.,Chen Y.,Ogg J.G.,&Yan J..(2019).Synchronous onset of the Mid-Carnian Pluvial Episode in the East and West Tethys: Conodont evidence from Hanwang; Sichuan; South China.Palaeogeography, Palaeoclimatology, Palaeoecology,520.
MLA	Jiang H.,et al."Synchronous onset of the Mid-Carnian Pluvial Episode in the East and West Tethys: Conodont evidence from Hanwang; Sichuan; South China".Palaeogeography, Palaeoclimatology, Palaeoecology 520(2019).