الفهرس 
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Abstract
The Miocene Epoch witnessed the climax of the tectonic movements that are responsible for the development of the Gulf of Suez. The eastern side of the Gulf (western Sinai), Gulf offshore and the North Eastern Desert are considered the quiet representatives for geology of the Gulf of Suez region; hence, the Sinai side exposures have been showed a remarkable interest from all geologists working in the Gulf of Suez. On this context, the present work has been carried out on Wadi Gharandal and the nearby Wadi Trakee eastern coast of the Gulf of Suez that exhibit best syn-rift Miocene exposures.
Six Miocene outcropped sections are selected to cover a wide stratigraphic range and represent all the exposed Miocene successions in the study area (F, Gh.1, Gh.2, Gh.3, Gh.4 and Gh.5 sections). The studied exposures attain a total thickness of 310 m which used in construct the lithostratigraphical, biostratigraphical and to chronostratigraphical units.
Both the deep marine and the coastal facies have been detected in completely variant adjacent sections: Gharandal Group (the lower clastic group, partly evaporitic); it includes Nukhul, Rudeis and Kareem formations and Ras Malaab Group (the upper evaporitic group, partly clastic); it includes Belayim and South Gharib formations. On the other hand, the coastal facies attributes dominate the succession Gh5. It consists of the following formations from base to top: Abu Gerfan, Gharamul and Gemsa formations.
Two hundred and seventy species were identified; among these, forty eight are planktonic foraminifera and two hundred and two are benthic forams and twenty ostracodes species. There are seven microbiozones and two subzones of planktonic foraminifera and eight biozones of benthic foraminifera were recognized throughout the whole Oligocene-Miocene successions in the studied area.
The studied successions have been subdivided into chronostratigraphic units (Oligocene, Aquitanian, Lower Burdigalian, Middle - Upper Burdigalian, Langhian and Serravallian), depending on lithological and microfossils content.