气候变化领域集成服务门户(CCPortal): Oxygen and carbon stable isotope records of the Lochkovian-Pragian boundary interval from the Prague Basin (Lower Devonian; Czech Republic)

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DOI	10.1016/j.palaeo.2020.110036
	Oxygen and carbon stable isotope records of the Lochkovian-Pragian boundary interval from the Prague Basin (Lower Devonian; Czech Republic)
	Weinerová H.; Bábek O.; Slavík L.; Vonhof H.; Joachimski M.M.; Hladil J.
发表日期	2020
ISSN	0031-0182
卷号	560
英文摘要	Climate changes close to the Lochkovian-Pragian Event are still widely discussed. Carbonate δ18O and δ13C and conodont apatite δ18O from medial to distal carbonate ramp sediments were analysed to provide further stable isotope data from the stratotype area in the Prague Basin. The uppermost Silurian to lower Emsian δ18O trends are put into an updated conodont biostratigraphy framework. Carbonate δ18O and δ13C are discussed in the context of facies-dependent diagenesis. The δ13C pattern measured from different sections enables the correlation of intervals with development of different facies inside the Prague Basin. Positive δ13C shifts are often coupled with trends of decreasing computed gamma-ray (CGR) values interpreted as regressions, whereas negative δ13C shifts commonly coincide with opposite trends in CGR. The Lochkovian-Pragian boundary interval coincided with an increase in carbonate δ13C and an increase in the δ18O of conodont apatite and carbonate, which we interpret as consequence of climate cooling. Generally, the Lochkovian was warmer than the Pragian and earliest Emsian. © 2020 Elsevier B.V.
英文关键词	Barrandian area; Carbonate; Climate changes; Conodont apatite; Diagenesis; Palaeozoic
语种	英语
scopus关键词	biostratigraphy; carbonate ramp; conodont; isotopic analysis; Lochkovian; oxygen; Silurian; stable isotope; stratotype; Czech Republic; Prague Basin; Pragia
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/150287
作者单位	Department of Geological Sciences, Faculty of Science, Masaryk University, Kotlářská 2, Brno, 611 37, Czech Republic; Czech Academy of Sciences, Institute of Geology, Rozvojová 269, Prague 6, 165 00, Czech Republic; Department of Geology, Palacký University, 17. listopadu 12, Olomouc, 771 46, Czech Republic; Climate Geochemistry Department, Max Planck Institute for Chemistry, Hahn-Meitner-Weg 1, Mainz, 55128, Germany; GeoZentrum Nordbayern, Friedrich Alexander Universität Erlangen-Nürnberg (FAU), Schlossgarten 5, Erlangen, 91054, Germany
推荐引用方式 GB/T 7714	Weinerová H.,Bábek O.,Slavík L.,et al. Oxygen and carbon stable isotope records of the Lochkovian-Pragian boundary interval from the Prague Basin (Lower Devonian; Czech Republic)[J],2020,560.
APA	Weinerová H.,Bábek O.,Slavík L.,Vonhof H.,Joachimski M.M.,&Hladil J..(2020).Oxygen and carbon stable isotope records of the Lochkovian-Pragian boundary interval from the Prague Basin (Lower Devonian; Czech Republic).Palaeogeography, Palaeoclimatology, Palaeoecology,560.
MLA	Weinerová H.,et al."Oxygen and carbon stable isotope records of the Lochkovian-Pragian boundary interval from the Prague Basin (Lower Devonian; Czech Republic)".Palaeogeography, Palaeoclimatology, Palaeoecology 560(2020).