Astronomical tuning of the Messinian pre-salt succession in the Levant Basin allows for the first time the reconstruction of a detailed chronology of the Messinian salinity crisis (MSC) events in deep setting and their correlation with marginal records that supports the CIESM (2008) 3-stage model. Our main conclusions are (1) MSC events were synchronous across marginal and deep basins, (2) MSC onset in deep basins occurred at 5.97 Ma, (3) only foraminifera-barren, evaporite-free shales accumulated in deep settings between 5.97 and 5.60 Ma, (4) deep evaporites (anhydrite and halite) deposition started later, at 5.60 Ma and (5) new and published 87Sr/86Sr data indicate that during all stages, evaporites precipitated from the same water body in all the Mediterranean sub-basins. The wide synchrony of events and 87Sr/86Sr homogeneity implies inter-sub-basin connection during the whole MSC and is not compatible with large sea-level fall and desiccation of the Mediterranean.

The onset of the Messinian salinity crisis in the deep Eastern Mediterranean basin / Manzi, Vinicio; Gennari, Rocco; Lugli, Stefano; Persico, Davide; Reghizzi, Matteo; Roveri, Marco; Schreiber, B. Charlotte; Calvo, Ran; Gavrieli, Ittai; Gvirtzman, Zohar. - In: TERRA NOVA. - ISSN 0954-4879. - 2018:00:(2018), pp. 1-10. [10.1111/ter.12325]

The onset of the Messinian salinity crisis in the deep Eastern Mediterranean basin

Gennari, Rocco
Investigation
;
Lugli, Stefano
Investigation
;
Reghizzi, Matteo
Investigation
;
2018

Abstract

Astronomical tuning of the Messinian pre-salt succession in the Levant Basin allows for the first time the reconstruction of a detailed chronology of the Messinian salinity crisis (MSC) events in deep setting and their correlation with marginal records that supports the CIESM (2008) 3-stage model. Our main conclusions are (1) MSC events were synchronous across marginal and deep basins, (2) MSC onset in deep basins occurred at 5.97 Ma, (3) only foraminifera-barren, evaporite-free shales accumulated in deep settings between 5.97 and 5.60 Ma, (4) deep evaporites (anhydrite and halite) deposition started later, at 5.60 Ma and (5) new and published 87Sr/86Sr data indicate that during all stages, evaporites precipitated from the same water body in all the Mediterranean sub-basins. The wide synchrony of events and 87Sr/86Sr homogeneity implies inter-sub-basin connection during the whole MSC and is not compatible with large sea-level fall and desiccation of the Mediterranean.
2018:00
1
10
The onset of the Messinian salinity crisis in the deep Eastern Mediterranean basin / Manzi, Vinicio; Gennari, Rocco; Lugli, Stefano; Persico, Davide; Reghizzi, Matteo; Roveri, Marco; Schreiber, B. Charlotte; Calvo, Ran; Gavrieli, Ittai; Gvirtzman, Zohar. - In: TERRA NOVA. - ISSN 0954-4879. - 2018:00:(2018), pp. 1-10. [10.1111/ter.12325]
Manzi, Vinicio; Gennari, Rocco; Lugli, Stefano; Persico, Davide; Reghizzi, Matteo; Roveri, Marco; Schreiber, B. Charlotte; Calvo, Ran; Gavrieli, Ittai; Gvirtzman, Zohar
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Utilizza questo identificativo per citare o creare un link a questo documento: http://hdl.handle.net/11380/1155030
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