globalchange  > 过去全球变化的重建
DOI: 10.1016/j.palaeo.2016.12.039
论文题名:
Isotope stratigraphy (87Sr/86Sr, δ18O, δ13C) of the Sorbas basin (Betic Cordillera, Spain): Paleoceanographic evolution across the onset of the Messinian salinity crisis
作者: Reghizzi M.; Gennari R.; Douville E.; Lugli S.; Manzi V.; Montagna P.; Roveri M.; Sierro F.J.; Taviani M.
刊名: Palaeogeography, Palaeoclimatology, Palaeoecology
ISSN: 0031-0182
出版年: 2017
卷: 469
起始页码: 60
结束页码: 73
语种: 英语
英文关键词: Mediterranean basin ; Messinian salinity crisis ; Oxygen and carbon stable isotopes ; Paleoceanography ; Sorbas basin ; Spain ; Strontium isotopes
英文摘要: The Sorbas basin is a reference sector of the Mediterranean basin for the definition of the onset of the Messinian salinity crisis straddling the transition from the open marine deposits (Abad marls) to the Primary Lower Gypsum (Yesares Formation) during the first stage of the crisis, between 5.97 and 5.60 Ma. Because of its proximity to the Atlantic gateway, the Sorbas basin is pivotal for the study of the oceanographic evolution that led to the most dramatic environmental event in the Mediterranean Sea. We measured the carbon (δ13C), oxygen (δ18O) and strontium (87Sr/86Sr) isotope ratio of 50 samples of planktonic foraminifera, mollusk shells, gypsum and carbonate sediments from the Abad and Yesares Members (Turre and Caños Formation) in the Perales, Hueli, Los Yesos and Rio de Aguas sections. Our results show a long-term trend with most of the values plotting within the range of the global ocean strontium isotope curve and distinct short-term fluctuations on precessional time scale. The investigated geochemical proxies suggest that these oscillations reflect significant input of continental waters into the basin during the humid phase of a single precessional cycle. This implies that the Western Mediterranean did not experience a main disconnection from the global ocean water before and during the first stage of the Messinian salinity crisis and that different Milankovitch forcings played a significant role in determining the seawater geochemistry. © 2016 Elsevier B.V.
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被引频次[WOS]:22   [查看WOS记录]     [查看WOS中相关记录]
资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/67945
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作者单位: Dipartimento di Fisica e Scienze della Terra, University of Parma, Parco Area delle Scienze, 157/A, Parma, Italy; Alpine Laboratory of Paleomagnetism (ALP), Via Madonna dei Boschi 76, Peveragno, CN, Italy; Laboratoire des Sciences du Climat et de l'Environnement (LSCE), Avenue de la Terrace, Gif-sur-Yvette, France; Dipartimento di Scienze Chimiche e Geologiche, University of Modena and Reggio Emilia, via Campi 103, Modena, Italy; Istituto di Scienze Marine (ISMAR-CNR), Via Gobetti 101, Bologna, Italy; Department of Geology, University of Salamanca, Salamanca, Spain; Biology Department, Woods Hole Oceanographic Institution, 266 Woods Hole Road, Woods Hole, MA, United States; Stazione Zoologica Anton Dohrn, Villa Comunale, Naples, Italy

Recommended Citation:
Reghizzi M.,Gennari R.,Douville E.,et al. Isotope stratigraphy (87Sr/86Sr, δ18O, δ13C) of the Sorbas basin (Betic Cordillera, Spain): Paleoceanographic evolution across the onset of the Messinian salinity crisis[J]. Palaeogeography, Palaeoclimatology, Palaeoecology,2017-01-01,469
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