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Biostratigraphic Analysis Across The Eocene-Oligocene Boundary In The Southern Hellenic Thrace Basin (Lemnos Island, North Aegean Sea), Sofia Kostopoulou, Angelos Maravelis, Avraam Zelilidis
Biostratigraphic Analysis Across The Eocene-Oligocene Boundary In The Southern Hellenic Thrace Basin (Lemnos Island, North Aegean Sea), Sofia Kostopoulou, Angelos Maravelis, Avraam Zelilidis
Turkish Journal of Earth Sciences
The time interval of the sedimentation in the southern Hellenic Thrace Basin (Lemnos Island, northeast Aegean Sea) was studied, based on the qualitative analysis of calcareous nannoplankton and quantitative analysis of planktonic foraminifera. The samples were collected from 4 different stratigraphic sections (Ifestia, Panagia, Kaspaka, and Kaminia). The biostratigraphic analyses on both calcareous nannoplankton and planktonic foraminifera reveal an age of Late Eocene-Early Oligocene (Priabonian-Rupelian). In particular, the Eocene-Oligocene boundary is recorded at the lower part of the turbiditic system, in the Ifestia section. The present study offers the first taxonomic analysis of planktonic foraminifera of this age in the …