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Holocene biostratigraphy and paleoenvironmental changes in the Black Sea based on calcareous nannoplankton ArchiMer
Giunta, Simona; Morigi, Caterina; Negri, Alessandra; Guichard, Francois; Lericolais, Gilles.
In this study, detailed micropaleontological analyses were carried out on 270 samples from eight piston cores collected in the Black Sea. The primary goal was to elucidate the Late Quaternary evolution of the Black Sea, specifically to refine its biostratigraphy and to explore the Holocene paleoenvironmental changes. Three intervals were recognized in all the cores studied, irrespective of whether they were from the basin or the shelf. These intervals are characterized, from old to young, by the spotty occurrence, the presence and the local acme of Emiliania huxleyi respectively. Moreover, the species Braarudosphaera bigelowii is, in contrast to the younger units, absent in the oldest unit. The co-occurrence of the two marine species E. huxleyi and B....
Tipo: Text Palavras-chave: Stratigraphy; Late Quaternary; Black Sea; Calcareous nannoplankton.
Ano: 2007 URL: http://archimer.ifremer.fr/doc/2007/publication-2674.pdf
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