Planktonic foraminifera and calcareous nannofossil biostratigraphy of the lower eocene rocks of gebel qabeliat sinai egypt

Allam, A.; Faris, M.; Khalil, H.

Israel Journal of Earth Sciences 35(3-4): 167-176

1986


Accession: 006125394

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Abstract
Two planktonic foraminiferal biozones were recorded from the Early Eocene beds of Gebel Qabeliat, Gulf of Suez, Sinai: Morozovella subbotinae Zone and Morozovella formosa formosa Zone. The corresponding calcareous nannofossil biozones are: Tribrachiatus contortus Zone, Discoaster binnosus Zone and Tribrachiatus orthostylus Zone. The near absence of microfossils in the upper Lower Eocene section probably points to a change in the paleocological conditions in the area studied during that time. Resumption of reefal environment is confirmed by the up-sequence appearance of the larger foraminifers. Early Eocene planktonic foraminifers and calcareous nannofossil zones recognized in the study section for nannofossil zones recognized in the study section for the first time are broadly similar to those recorded in Israel and many parts of the world.