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EnglishWe propose a revised age calibration of the Messinian salinity crisis onset in the Mediterranean at 5.971 Ma based on the recognition of an extra gypsum cycle in the transitional interval of the Perales section (Sorbas basin, Spain) and the revision of the magnetostratigraphy of the Monticino section (Vena del Gesso basin, Italy). This age re-calibration allows to state more accurately that: (i) the interval encompassing the MSC-onset is continuous, thus ruling out any erosional feature or stratigraphic hiatus related to a major sea-level fall affecting the Mediterranean; (ii) the first gypsum was deposited during the summer insolation peak at 5.969 Ma associated with an eccentricity minimum and roughly coincident with glacial stage TG32; (iii) the MSC-onset was preconditioned by the tectonically-driven reduction of the hydrological exchanges with the Atlantic Ocean and finally triggered by glacial conditions in the northern hemisphere and by arid conditions in northern Africa.
Age refinement of the Messinian salinity crisis onset in the Mediterranean / Vinicio Manzi; Rocco Gennari; Frits Hilgen; Wout Krijgsman; Stefano Lugli; Marco Roveri; Francisco J. Sierro. - In: TERRA NOVA. - ISSN 0954-4879. - STAMPA. - 25:4(2013), pp. 315-322. [10.1111/ter.12038]
| Tipologia ministeriale: | Articolo su rivista | |
| Appare nelle tipologie: | 1.1 Articolo su rivista |
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http://hdl.handle.net/11381/2589045
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