NDLI: Les associations de bivalves (Mollusca, Bivalvia) du Messinien du bassin de Sorbas (SE Espagne)

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Les associations de bivalves (Mollusca, Bivalvia) du Messinien du bassin de Sorbas (SE Espagne)

Content Provider	Semantic Scholar
Author	Videt, Blaise Martin, Jean-Paul Saint Lacour, Denis Néraudeau, Didier Lauriat-Rage, Agnès Goubert, Évelyne Bongrain, Madeleine
Copyright Year	2002
Abstract	The Messinian pre-evaporitic deposits of the Sorbas basin (SE Spain) are very rich and diversified in bivalves assemblages. The palaeoecological analysis of these fossils allows to distinguish three associations characteristic of particular palaeoenvironmental ranges: 1) the first association located in the upper part of the inner shelf includes large pectinids, such as Flabellipecten fraterculus fraterculus (Sowerby, 1841); 2) the second association, more developped in deeper parts of the inner shelf, is more rich with epibenthic and endobenthic forms; 3) the last association is snore specific of the outer shelf, especially Amusium cristatum (Bronn, 1828). The presence of the two last associations in the Messinian gypsum of Los Yesos, in the western part of the Sorbas basin, is an argument in favour or the gypsum deposit under relatively large water depth. The survival of these bivalves, typically stenohaline and marine organisms, in the last levels of Messinian gypsum of Sorbas basin, testifies the existence of marine connexions between this basin and normal marine areas during the evaporitic episode.
Starting Page	641
Ending Page	657
Page Count	17
File Format	PDF HTM / HTML
Volume Number	24
Alternate Webpage(s)	http://sciencepress.mnhn.fr/sites/default/files/articles/pdf/g2002n3a6.pdf
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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