Search results for "plateforme carbonatée"

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LES VARIATIONS DU NIVEAU MARIN SUR LE BASSIN DE PARIS AU BATHONIEN-CALLOVIEN. IMPACTS SUR LES COMMUNAUTÉS BENTHIQUES ET SUR L'ÉVOLUTION DES ORNITHELL…

1992

The study deals with the biological impacts of sea-Ievel changes on evolution of a Jurassic benthic fossil group (Ornithellida, Brachiopoda). The different time and scale at which the shifts in marine environments occur leads to the recognition of three interacting dynamic systems: environmental, communities, populations dynamics. The analysis is thus divided into a three steps hierarchy: sequence stratigraphy, analysis of the diversity of brachiopod assemblages, and analysis of morphological variations within omithellid populations. Sequence stratigraphy of the Dogger marly and carbonate successions in the Paris basin provides accurate correlations of depositional environments from shallow…

Ornithellidssequence stratigraphyJurassique moyenbrachiopodes[SDU.STU]Sciences of the Universe [physics]/Earth SciencescyclesdiversityMiddle Jurassiccarbonate platformmorphologydiversitérétroaction taphonomiqueOrnithellidéscontraintes écologiques et historiquestaphonomic feedbackbiostratigraphie[ SDU.STU ] Sciences of the Universe [physics]/Earth SciencesParis basinStratigraphie séquentielleplateforme carbonatéemorphologie[SDU.STU] Sciences of the Universe [physics]/Earth Sciencesecologieal and historical constraintsbassin de Parisbiostratigraphybrachiopods
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