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- Messinian_erosional_crisis abstract "The Messinian Erosional Crisis is a phase in the Messinian evolution of the central Mediterranean basin responding to a major drawdown of the Mediterranean seawater (the \"Messinian Salinity Crisis\").As outlined in numerous studies, erosional events along the margins of the Mediterranean Basin during the Messinian timespan, before and during the evaporite deposition, were common (see a summary in van Dijk et al., 1998).These authors showed that also predating the deposition of the first cycle of evaporites, a major erosional phase can be observed along the basin margins, corresponding to a major \"relative sea level drop\", associated with tectonic activity (marking the end of the so-called \"Mes-1\" unconformity bound depositional sequence). Following this assumption that this major event corresponds to the major Messinian drawdown, Bache et al. (2009) concluded that the Mediterranean bathymetry significantly decreased before the precipitation of central basins evaporites. Van Dijk et al. (1998) had baptised this end member scenario the \"Hunchback Scenario\". Regarding these works, a deep water formation for central Messinian evaporites seems unlikely. The assumption that central basin evaporites partly deposited under a high bathymetry and before the major phase of erosion should imply the observation of a major detritic event above evaporites in the basin. Such a depositional geometry has not been observed on data, as the detrical wedges are merely confined to the basin marginal areas.Another major point of discussion regards the presence of erosional deep canyons along the continental margins of the Basins. These should be expected to be present because of the assumption of a major sea level drop. And in fact they have been described by several authors (summarized in e.g. Clauzon et al., 1996). Most of them are infilled by early Pliocene sediments. As outlined in van Dijk et al. (1998) this phenomenon can be explained in two ways: A major eustatic sea level drop, or a tectonic uplift of the margins (for example associated with a minor sea level drop). It constitutes, therefore, not a real proof for the desiccation of an existing originally deep basin.The third much disputed element is the recognition of the so-called \"MES\", the Messinian Erosional Surface. This surface can well be traced in seismic sections along the Basin margins, showing angular and non-angular unconformities, somewhere within the evaporite deposits, or between evaporite and non-avaporite deposits. Nice examples are shown by Roveri et al. (2008). As already extensively discussed in van Dijk (1992),the erosional surfaces within the Messinian clastic and evaporitic and mixed series are often confused. Only very high resultion and complete series such as those in the Crotone Basin in Calabria can solve this matter, and the authors have shown that the erosional surfaces and there probable relationships with relative sea level fluctuations and tectonic activity can well be mapped (see a review in van Dijk et al., 1998).".
- Messinian_erosional_crisis wikiPageID "25837478".
- Messinian_erosional_crisis wikiPageLength "5041".
- Messinian_erosional_crisis wikiPageOutDegree "7".
- Messinian_erosional_crisis wikiPageRevisionID "688075734".
- Messinian_erosional_crisis wikiPageWikiLink Calabria.
- Messinian_erosional_crisis wikiPageWikiLink Category:History_of_the_Mediterranean.
- Messinian_erosional_crisis wikiPageWikiLink Category:Messinian.
- Messinian_erosional_crisis wikiPageWikiLink Category:Paleogeography.
- Messinian_erosional_crisis wikiPageWikiLink Category:Regional_geology.
- Messinian_erosional_crisis wikiPageWikiLink Mediterranean_Basin.
- Messinian_erosional_crisis wikiPageWikiLink Messinian_salinity_crisis.
- Messinian_erosional_crisis wikiPageWikiLinkText "Messinian erosional crisis".
- Messinian_erosional_crisis wikiPageUsesTemplate Template:Underlinked.
- Messinian_erosional_crisis subject Category:History_of_the_Mediterranean.
- Messinian_erosional_crisis subject Category:Messinian.
- Messinian_erosional_crisis subject Category:Paleogeography.
- Messinian_erosional_crisis subject Category:Regional_geology.
- Messinian_erosional_crisis hypernym Phase.
- Messinian_erosional_crisis type MilitaryConflict.
- Messinian_erosional_crisis type Redirect.
- Messinian_erosional_crisis type Subfield.
- Messinian_erosional_crisis comment "The Messinian Erosional Crisis is a phase in the Messinian evolution of the central Mediterranean basin responding to a major drawdown of the Mediterranean seawater (the \"Messinian Salinity Crisis\").As outlined in numerous studies, erosional events along the margins of the Mediterranean Basin during the Messinian timespan, before and during the evaporite deposition, were common (see a summary in van Dijk et al., 1998).These authors showed that also predating the deposition of the first cycle of evaporites, a major erosional phase can be observed along the basin margins, corresponding to a major \"relative sea level drop\", associated with tectonic activity (marking the end of the so-called \"Mes-1\" unconformity bound depositional sequence). ".
- Messinian_erosional_crisis label "Messinian erosional crisis".
- Messinian_erosional_crisis sameAs Q6822028.
- Messinian_erosional_crisis sameAs m.09v0r1j.
- Messinian_erosional_crisis sameAs Q6822028.
- Messinian_erosional_crisis wasDerivedFrom Messinian_erosional_crisis?oldid=688075734.
- Messinian_erosional_crisis isPrimaryTopicOf Messinian_erosional_crisis.