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La paléontologie du Cénomanien

Abstract : The development of the stratigraphy during the 19th century has known a deciding innovation in 1842 when Alcide d’Orbignyintroduced the geological stage notion. The geological stages aredefined in a precise geographical area which shows a typesection,the stratotype, allowing the identification of the geological unit.Since then, the stratotype notion has been greatly modified. In addi-tion to the stratotypes of geological units, stratotypes of geologicalboundaries have been defined, allowing to precisely characterizethe base of the geological stages. The progress of science has alsodemonstrated the imperfections of historical stratotypes. Howe-ver, they always constitute concrete and international patrimonialreferences.
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Submitted on : Tuesday, March 14, 2017 - 9:17:15 AM
Last modification on : Tuesday, September 1, 2020 - 11:50:04 AM

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Nicolas Morel, Delphine Desmares, Didier Néraudeau. La paléontologie du Cénomanien. Annales de Paléontologie, Elsevier Masson, 2017, 103 (1), pp.1-2. ⟨10.1016/j.annpal.2017.02.002⟩. ⟨insu-01488915⟩

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