Calcareous nannofossil and planktonic foraminifera biostratigraphy through the Middle to Late Eocene transition of Fayum area, Western Desert, Egypt

Akmal M Marzouk,Ahmed Moustafa El Shishtawy,Atef Masoud Kasem

Journal of African Earth Sciences（2014）

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摘要

•High resolution biostratigraphic study at Fayum province.•The Middle/Upper Eocene boundary can be delineated.•By the first appearance of Globigerinatheka semiinvoluta above the FO of Isthmolithus recurvus.

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关键词

Eocene,Calcareous nannofossils,Planktonic foraminifera,Biostratigraphy,Middle/Upper Eocene boundary,Egypt

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