Onshore to offshore reconstruction of the Messinian erosion surface in Western Sardinia, Italy: Implications for the Messinian salinity crisis

Cornée, Jean‐Jacques; Maillard, Agnès; Conesa, Gilles; Garcia, Frédéric; Martin, Jean‐Paul Saint; Sage, Françoise; Münch, Ph.

doi:10.1016/j.sedgeo.2008.06.005

Cited by 23 publications

(6 citation statements)

References 58 publications

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“…Locally, evaporite deposition occurred also on the upper continental slopes and shelves (Lofi et al 2011a;Geletti et al 2014), as well as in the present onshore regions (Cornée et al 2008), probably during the first phase of the MSC (Butler et al 1995; Fig. 1.…”

Section: Geodynamic Evolution and Seismic Stratigraphymentioning

confidence: 99%

Seismic imaging of Late Miocene (Messinian) evaporites from Western Mediterranean back-arc basins

Cin

Ben

Mocnik

et al. 2016

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An analysis of multichannel seismic reflection data was conducted focusing on the comparison between the Messinian Salinity Crisis (MSC) and Plio-Quaternary (PQ) evolution of the eastern Sardo-Provençal and northern AlgeroBalearic basins and related margins in the West Mediterranean Sea. Both basins were completely opened during the MSC and their well-defined seismic stratigraphy is very similar in the deep parts. The primary difference between these two basins is due to their different pre-MSC extensional history, including the opening age and the stretching factors. These factors influenced the occurrence of post-MSC salt tectonics on these margins.

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Section: Geodynamic Evolution and Seismic Stratigraphymentioning

confidence: 99%

Seismic imaging of Late Miocene (Messinian) evaporites from Western Mediterranean back-arc basins

Cin

Ben

Mocnik

et al. 2016

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“…In the Northwestern Mediterranean, the Gulf of Lions shelf-slope-deep basin transition has been studied thanks to a solid database (Guennoc et al, 2000;Lofi et al, 2005;Gorini et al, 2005;Bache, 2008;among others). Recent studies have also dealt with the transition from margins to deep basin on other Northwestern Mediterranean areas (Sage et al, 2005;Cornée et al, 2008;Obone Zue Obame et al, 2010) and in the Eastern Mediterranean area Cartwright, 2006, 2007). More recently, a new multi-site study has allowed a synthetic approach to the study of the MSC on the Western and Eastern Mediterranean and Black Sea (Lofi et al, 2010).…”

Section: Introductionmentioning

confidence: 99%

The Catalan margin during the Messinian Salinity Crisis: Physiography, morphology and sedimentary record

et al. 2011

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International audienceThe Messinian Salinity Crisis (MSC) drastically affected the physiography, morphology and sedimentation all along the Mediterranean area at the end of the Miocene. This paper presents an analysis of the effects of the MSC on the Catalan continental margin, based on a broad database of seismic reflection profiles from the oil industry and academy. We study the sedimentary processes and their controlling factors and the correlation with the nearby and well-known Gulf of Lions. Because of the complexity of the MSC, we define the Margin Erosion Surface/Top Erosion Surface (MES/TES) as the surface marking the end of the Messinian event, which allows differentiating three domains along the Catalan margin: the Creus, Girona and Barcelona domains, separated by the Palamós and Blanes canyons. The Creus domain shows an important structural control on the MES/TES physiography, while the Girona and Barcelona domains are characterized by wide and flat MSC platforms below the present-day shelf. The entire margin developed a series of complex drainage systems as the result of the Messinian sea level drop. The location of the main valleys (Cap de Creus paleo-drainage system, Palamós and Blanes paleo-canyons and the downslope-trending valleys on the Barcelona domain) was directly controlled by the structural framework. In contrast, the Barcelona paleo-drainage system and the tributaries of the Blanes and Palamós systems were excavated by direct subaerial erosion by meteoric rain in the basins limited by basement blocks, and were afterwards totally filled by the Pliocene-Quaternary sedimentation. Regarding the MSC depositional features, the major part of the eroded sediment was deposited as detrital deposits on the foot of the slope. The distribution of detrital bodies and evaporites was also structurally controlled. A Zanclean sea level rise occurring in at least two phases is confirmed by this study, in correlation with interpretations from the Gulf of Lions

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“…Consequently, we assume that exondation lasted long and that the Miocene continental clastics deposition could have started before the end of the Miocene and thus, it cannot be undoubtedly solely linked to the MSC peak but also to a longer erosion phase. In western Sardinia margin, as in the Oristano Gulf, Late Miocene marine limestones belonging to the TCC exist, and a karstic plateau that developed at their top has also been interpreted as the MES (Cornée et al, 2008). Moreover, similitudes of marine Pliocene infilling the MES in both study areas favor the interpretation of at least the top part of the continental clastic of Orosei as markers of the MSC continentalization time-interval.…”

Section: Subaerial Exposure and Gravity-driven Destabilizationmentioning

confidence: 80%

“…From the Valencia basin, the MES can be followed continuously through the Gulf of Lion, the Corsica margins and until the Sardinian passive margins ( Fig. 1A; Sage et al, 2005;Cornée et al, 2008;Thinon et al, 2016;Lymer et al, Beccaluva et al, 1983) and location of the MSC valley. B-2a: Chiesa Site (location on map 4B-1): graded beds of poorly sorted torrential deposits on top of the granitic basement (granite covered by a layer of chaotic granitic angular blocks from rock avalanches).…”

Section: Offshore Msc Units and Erosional Surfacesmentioning

confidence: 99%

New onshore/offshore evidence of the Messinian Erosion Surface from key areas: The Ibiza-Balearic Promontory and the Orosei-Eastern Sardinian margin

Maillard

Gaullier

Lézin

et al. 2020

BSGF - Earth Sci. Bull.

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As the Messinian sea-level draw down associated with the Messinian Salinity Crisis is still questioned, we propose to show that the widely spread erosion surface affecting the Mediterranean margins is indeed linked to an exondation demonstrated from offshore and onshore data. Our study presents a comprehensive onshore to offshore correlation of the Messinian erosional surface. It is focused on small drainage systems or interfluve areas, outside of evaporite basins or incised canyons, where the Messinian erosion had not yet been studied previously: around Ibiza on the Balearic Promontory and around Orosei on the Eastern Sardinian margin, Tyrrhenian Basin, both areas where new offshore data were recently acquired. We show that the late Messinian erosion formed in subaerial settings, as testified by evidence of continentalization events, and attests for a regression phase that was correlated from the offshore continental slopes to the onshore paleo-platforms in both areas. Characteristics of this erosion in both study areas strengthen the scenario with at least one important low-stand sea-level for the Messinian Salinity Crisis with evaporites subbasins lying at different depths and possibly disconnected.

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Onshore to offshore reconstruction of the Messinian erosion surface in Western Sardinia, Italy: Implications for the Messinian salinity crisis

Cited by 23 publications

References 58 publications

Seismic imaging of Late Miocene (Messinian) evaporites from Western Mediterranean back-arc basins

Seismic imaging of Late Miocene (Messinian) evaporites from Western Mediterranean back-arc basins

The Catalan margin during the Messinian Salinity Crisis: Physiography, morphology and sedimentary record

New onshore/offshore evidence of the Messinian Erosion Surface from key areas: The Ibiza-Balearic Promontory and the Orosei-Eastern Sardinian margin

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