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Isotope stratigraphy (Sr-87/Sr-86, delta O-18, delta C-13) of the Sorbas basin (Betic Cordillera, Spain): Paleoceanographic evolution across the onset of the Messinian salinity crisis
- Source :
- Palaeogeography, palaeoclimatology, palaeoecology 469 (2017): 60–73. doi:10.1016/j.palaeo.2016.12.039, info:cnr-pdr/source/autori:Matteo, Reghizzi; Rocco, Gennari; Eric, Douville; Stefano, Lugli; Vinicio, Manzi; Paolo, Montagna; Marco, Roveri; Francisco Javier, Sierro; Marco, Taviani/titolo:Isotope stratigraphy (Sr-87%2FSr-86, delta O-18, delta C-13) of the Sorbas basin (Betic Cordillera, Spain): Paleoceanographic evolution across the onset of the Messinian salinity crisis/doi:10.1016%2Fj.palaeo.2016.12.039/rivista:Palaeogeography, palaeoclimatology, palaeoecology/anno:2017/pagina_da:60/pagina_a:73/intervallo_pagine:60–73/volume:469, Palaeogeography, Palaeoclimatology, Palaeoecology, Palaeogeography, Palaeoclimatology, Palaeoecology, Elsevier, 2017, 469, pp.60-73. ⟨10.1016/j.palaeo.2016.12.039⟩, Palaeogeography, Palaeoclimatology, Palaeoecology, 2017, 469, pp.60-73. ⟨10.1016/j.palaeo.2016.12.039⟩
- Publication Year :
- 2017
- Publisher :
- Elsevier, Amsterdam ;, Paesi Bassi, 2017.
-
Abstract
- 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 (delta C-13), oxygen (delta O-18) and strontium (Sr-87/Sr-86) isotope ratio of 50 samples of planktonic foraminifera, mollusk shells, gypsum and carbonate sediments from the Abad and Yesares Members (Tune and Canos 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. (C) 2016 Elsevier B.V. All rights reserved.
- Subjects :
- Mediterranean climate
010506 paleontology
Messinian salinity crisis, Mediterranean basin, Strontium isotopes, Oxygen and carbon stable isotopes, Sorbas basin, Spain, Paleoceanography
Messinian salinity crisis
δ18O
Evolution
010502 geochemistry & geophysics
Oceanography
01 natural sciences
Mediterranean Basin
Foraminifera
Paleontology
Mediterranean sea
Paleoceanography
Behavior and Systematics
[SDU.STU.GC]Sciences of the Universe [physics]/Earth Sciences/Geochemistry
Marl
14. Life underwater
Ecology, Evolution, Behavior and Systematics
[SDU.STU.OC]Sciences of the Universe [physics]/Earth Sciences/Oceanography
0105 earth and related environmental sciences
Earth-Surface Processes
Oxygen and carbon stable isotopes
Milankovitch cycles
biology
Ecology
Mediterranean basin
Sorbas basin
15. Life on land
Strontium isotopes
biology.organism_classification
13. Climate action
Spain
Geology
Subjects
Details
- Language :
- English
- ISSN :
- 00310182
- Database :
- OpenAIRE
- Journal :
- Palaeogeography, palaeoclimatology, palaeoecology 469 (2017): 60–73. doi:10.1016/j.palaeo.2016.12.039, info:cnr-pdr/source/autori:Matteo, Reghizzi; Rocco, Gennari; Eric, Douville; Stefano, Lugli; Vinicio, Manzi; Paolo, Montagna; Marco, Roveri; Francisco Javier, Sierro; Marco, Taviani/titolo:Isotope stratigraphy (Sr-87%2FSr-86, delta O-18, delta C-13) of the Sorbas basin (Betic Cordillera, Spain): Paleoceanographic evolution across the onset of the Messinian salinity crisis/doi:10.1016%2Fj.palaeo.2016.12.039/rivista:Palaeogeography, palaeoclimatology, palaeoecology/anno:2017/pagina_da:60/pagina_a:73/intervallo_pagine:60–73/volume:469, Palaeogeography, Palaeoclimatology, Palaeoecology, Palaeogeography, Palaeoclimatology, Palaeoecology, Elsevier, 2017, 469, pp.60-73. ⟨10.1016/j.palaeo.2016.12.039⟩, Palaeogeography, Palaeoclimatology, Palaeoecology, 2017, 469, pp.60-73. ⟨10.1016/j.palaeo.2016.12.039⟩
- Accession number :
- edsair.doi.dedup.....4ff656568eddf0183d6abf9045d01f3c
- Full Text :
- https://doi.org/10.1016/j.palaeo.2016.12.039