Abstract
Three wells (Naf-2, Naf-3 and Naf-101), were described and sampled in order to increase understanding of the stratigraphy and micropaleontology of the North Abu Qir Field, Nile Delta, Egypt. Lithostratigraphic studies aided recognition of the following Miocene-Pliocene rock formations (from base to top); Qantara Formation, Sidi Salim Formation, Qawasim Formation, Rosetta Formation, Abu Madi Formation, Kafr El Sheikh Formation, Baltim Formation, Mit Ghamr Formation, and Bilqas Formation. Biostratigraphic studies were based on the distribution of foraminifera through the Miocene-Pliocene succession. The environmental conditions of the Neogene rocks of the studied wells are interpreted using the results of palaeoecological parameters (e.g. the total number of foraminifera (T.N.F) and planktonic/benthonic ratio (P/B).
Highlights
The Nile Delta is one of the most well known deltas of the world, and has attracted the attention of many geologists due to its potential gas reserves
The formation is of Middle Miocene age, based on the presence of Globigerinoides bollii at the top of this formation, which could represent a useful datum in the Mediterranean region, where the Globigerinoides fohsi lineage is not developed (BOLLI & SAUNDERS, 1985)
The present work deals with the stratigraphy and micropaleontology of the sedimentary sequence in the North Abu Qir Field, Nile Delta, Egypt
Summary
The Nile Delta is one of the most well known deltas of the world, and has attracted the attention of many geologists due to its potential gas reserves. The structural setting of the Nile Delta region occupies a key position within the plate tectonic development of the eastern Mediterranean and the Levant. It lies on the northern margin of the African Plate, which extends from the subduction zone adjacent to the Cretan and Cyprus arcs, to the Red Sea where it drifted apart from the Arabian plate. The West Abu Qir structure is separated from the Abu Qir Gas Field by a northeast-southwest narrow complex graben This graben was formed by a northeast-southwest trending group of faults (BADRAN, 1996). The Abu Qir and West Abu Qir fields were possibly formed in the same way, each being a rollover feature resulting from the slumping of post-Miocene deltaic sediments within the giant graben, which was bounded by almost two east-west major growth faults (BADRAN, 1996)
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