globalchange  > 过去全球变化的重建
DOI: 10.1016/j.palaeo.2013.11.013
论文题名:
The Toarcian Oceanic Anoxic Event in the Ionian Zone, Greece
作者: Kafousia N.; Karakitsios V.; Mattioli E.; Kenjo S.; Jenkyns H.C.
刊名: Palaeogeography, Palaeoclimatology, Palaeoecology
ISSN: 0031-0182
出版年: 2014
卷: 393
起始页码: 135
结束页码: 145
语种: 英语
英文关键词: Calcareous nannofossils ; Carbon isotopes ; Chemostratigraphy ; Jurassic ; T-OAE
英文摘要: The Early Jurassic was characterized by a global disturbance of the carbon cycle known as the Toarcian Oceanic Anoxic Event (T-OAE). This event is recorded worldwide by a negative excursion in marine and terrestrial carbon-isotope ratios, typically interrupting an overarching positive trend attributed to large-scale burial of marine organic matter under oxygen-depleted conditions. The negative excursion is attributed to introduction of isotopically light carbon into the ocean-atmosphere system. Three sections from the Ionian Zone in Greece have been analysed in terms of biostratigraphy, Total Organic Carbon (TOC), CaCO3, δ13Ccarb, δ18Ocarb and δ13Corg. On the basis of bio- and chemostratigraphy, the age of Pliensbachian-Toarcian formations from the Ionian Zone in Greece has been refined and the geochemical signature of the T-OAE recognized. All sections illustrate the characteristic negative excursion in carbon isotopes from both carbonates and organic matter and, in only one locality, a positive excursion has also been recorded. The recognition of the T-OAE in this part of the Tethyan continental margin offers additional information on the global impact and amplitude of this important Jurassic palaeoceanographic event. © 2013.
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/69502
Appears in Collections:过去全球变化的重建

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作者单位: Department of Historical Geology and Paleontology, Faculty of Geology and Geoenvironment, National and Kapodistrian Univeristy of Athens, Panepistimiopolis, 15784 Athens, Greece; Laboratoire de Géologie de Lyon UMR 5276 CNRS, Université Lyon 1, ENS Lyon, Campus de la Doua, Bâtiment Géode, F-69622 Villeurbanne Cedex, France; Department of Earth Sciences, University of Oxford, South Parks Road, Oxford OX1 3AN, United Kingdom

Recommended Citation:
Kafousia N.,Karakitsios V.,Mattioli E.,et al. The Toarcian Oceanic Anoxic Event in the Ionian Zone, Greece[J]. Palaeogeography, Palaeoclimatology, Palaeoecology,2014-01-01,393
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