Characterization of the Campanian-Maastrichtian Sudr Chalk, Gabal El Bruk, North Sinai, Egypt
Hassan, H., Abouelresh, M. (2016). Characterization of the Campanian-Maastrichtian Sudr Chalk, Gabal El Bruk, North Sinai, Egypt. EKB Journal Management System, 18(1), 27-38. doi: 10.21608/jpme.2018.37460
Hatem F. Hassan; Mohamed O. Abouelresh. "Characterization of the Campanian-Maastrichtian Sudr Chalk, Gabal El Bruk, North Sinai, Egypt". EKB Journal Management System, 18, 1, 2016, 27-38. doi: 10.21608/jpme.2018.37460
Hassan, H., Abouelresh, M. (2016). 'Characterization of the Campanian-Maastrichtian Sudr Chalk, Gabal El Bruk, North Sinai, Egypt', EKB Journal Management System, 18(1), pp. 27-38. doi: 10.21608/jpme.2018.37460
Hassan, H., Abouelresh, M. Characterization of the Campanian-Maastrichtian Sudr Chalk, Gabal El Bruk, North Sinai, Egypt. EKB Journal Management System, 2016; 18(1): 27-38. doi: 10.21608/jpme.2018.37460

Characterization of the Campanian-Maastrichtian Sudr Chalk, Gabal El Bruk, North Sinai, Egypt

Journal of Petroleum and Mining Engineering
Article 4, Volume 18, Issue 1 - Serial Number 97, 2016, Page 27-38  XML PDF (1.06 MB)
Document Type: Original Article
DOI: 10.21608/jpme.2018.37460
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Authors
Hatem F. Hassan* 1; Mohamed O. Abouelresh2
1Faculty of Science, Port-Said University, Port-Said, Egypt
2Faculty of Petroleum and Mining Engineering, Suez University, Suez, Egypt. Center of Integrative Petroleum Research, King Fahd University of Petroleum & Minerals, Dhahran, 31261, Saudi Arabia
Abstract
 




The Campanaian – Maastrichtian Sudr Chalk of Gabal El Bruk subdivided into two members, the lower Markha and the upper Abu Zemina members. Nine biostratigraphic zones (CF13-CF2) have been identified from the planktonic foraminiferal content. The qualitative and semi-quantitative analysis of the foraminiferal parameters revealed the predominance of Midway type fauna over the Velasco type fauna in the Campanian indicating that the Sudr Chalk was deposited on the continental shelf. The benthonic fauna show an intermediate value between Velasco-type fauna and Midway type fauna indicating an increase in water depth from the continental shelf during the Campanian to lower slope during the Maastrichtian time. Two microfacies associations have been identified from the petrographic analysis of the Sudr Chalk in the study area. Foraminiferal micrite (wackstone) and fossiliferous mudstone (mudstone) revealing the deepening upward from Markha to Abu zenima member.The study area was affected by both sea level fluctuations as well as tectonic instability due to the Syrian arc system from Middle Campanian upward. The total organic carbon (TOC) ranges between 0 to 3.8 %. This variation is controlled by lithology, faunal content, sedimentation rate as well as depositional environmental conditions. There are three intervals of maximum TOC within the studied Sudr Chalk which indicates a fair to good source rock (CF2, CF5+CF6 and CF12).
Keywords
Sudr Chalk; Upper Cretaceous; North Sinai; Planktonic; Benthonic; Total Organic Carbon (TOC); Source Rock
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