Knowledge Resource Center for Ecological Environment in Arid Area
DOI | 10.1016/j.jafrearsci.2017.09.006 |
Facies analysis and sequence stratigraphy of the Eocene successions, east Beni Suef area, eastern Desert, Egypt | |
Saber, Shaban G.; Salama, Yasser F. | |
通讯作者 | Salama, Yasser F. |
来源期刊 | JOURNAL OF AFRICAN EARTH SCIENCES
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ISSN | 1464-343X |
EISSN | 1879-1956 |
出版年 | 2017 |
卷号 | 135页码:173-185 |
英文摘要 | Three Eocene stratigraphic successions east of the Beni Suef area are described and measured. These successions are made up of four rock units that are from base to top: Qarara (upper Lutetian), El Fashn (Bartonian), Beni Suef, and Maadi (Priabonian) formations. A detailed facies and sequence analysis unravels the stratigraphic framework and constructs a depositional model for the Middle-Upper Eocene succession. Ten microfacies types were grouped into four fades associations on a homoclinal ramp that compose the Upper Lutetian-Priabonian succession exposed in the east Beni Suef area. The depositional environment varied from a shallow to deep ramp setting. Four third-order depositional sequences were identified in the studied sections. The sequence boundaries are paleosoil horizons that can be traced throughout the entire outcrop area. Missing biozones are also evidence of the sequence boundaries. The history of these sequences mirrors the eustatic sea-level changes and the local tectonics in the region. Each sequence comprises fades associations that make up lowstand and/or transgressive and highstand systems tracts. The lowstand systems tract (LST) deposits are mainly sandstone facies and in Sequences 3 and 4 at Gabal Abyiad and Gabal Homret Shaibun respectively. The transgressive systems tract (TST) of Sequence 1 is dominated by nummulitic facies at Gabal Diya. The shale, mudstone and wackestone facies with planktic foraminifera and echinoids dominate the TST of Sequences 2 and 3 at Gabal Abyiad and Gabal Homret Shaibun respectively. The highstand systems tract (HST) of the studied sections is characterized by benthic foraminifera and bryozoan wackestone and packstone facies. (C) 2017 Elsevier Ltd. All rights reserved. |
英文关键词 | Eocene Facies Sequence stratigraphy Beni Suef Egypt |
类型 | Article |
语种 | 英语 |
国家 | Egypt |
收录类别 | SCI-E |
WOS记录号 | WOS:000413879000015 |
WOS关键词 | WADI AL-HITAN ; MIDDLE EOCENE ; GLOSSIFUNGITES ICHNOFACIES ; SHABRAWET AREA ; CARBONATE RAMP ; EVOLUTION ; FAYUM ; SINAI ; ROCKS ; BASIN |
WOS类目 | Geosciences, Multidisciplinary |
WOS研究方向 | Geology |
资源类型 | 期刊论文 |
条目标识符 | http://119.78.100.177/qdio/handle/2XILL650/199959 |
作者单位 | Beni Suef Univ, Fac Sci, Geol Dept, Salah Salem St, Bani Suwayf 62511, Egypt |
推荐引用方式 GB/T 7714 | Saber, Shaban G.,Salama, Yasser F.. Facies analysis and sequence stratigraphy of the Eocene successions, east Beni Suef area, eastern Desert, Egypt[J],2017,135:173-185. |
APA | Saber, Shaban G.,&Salama, Yasser F..(2017).Facies analysis and sequence stratigraphy of the Eocene successions, east Beni Suef area, eastern Desert, Egypt.JOURNAL OF AFRICAN EARTH SCIENCES,135,173-185. |
MLA | Saber, Shaban G.,et al."Facies analysis and sequence stratigraphy of the Eocene successions, east Beni Suef area, eastern Desert, Egypt".JOURNAL OF AFRICAN EARTH SCIENCES 135(2017):173-185. |
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