Arid
DOI10.1007/s12517-017-3319-z
High-resolution sequence stratigraphy of the Upper Cretaceous-Lower Paleogene succession, Gabal Qreiya area, Upper Egypt
El-Younsy, Ahmed R. M.; Obaidalla, Nageh A.; Philobbos, Emad R.; Salman, Abdelhamid M.
通讯作者El-Younsy, Ahmed R. M.
来源期刊ARABIAN JOURNAL OF GEOSCIENCES
ISSN1866-7511
EISSN1866-7538
出版年2017
卷号10期号:24
英文摘要

The Upper Cretaceous-Lower Paleogene succession at Gabal Qreiya area that covers six rock units, Quseir, Duwi, Dakhla, Tarawan, Esna, and Thebes formations, is reviewed through a high-resolution sequence stratigraphic analysis. Six third-order depositional sequences and their associated surfaces and systems tracts are recognized based on stratigraphic, sedimentological, and high-resolution foraminiferal studies. The pre-Campanian sequence, comprising the Quseir Formation, was accumulated in inner neritic paleodepths, on marginal to shallow subtidal shelf. The Lower Campanian sequence that covers the Duwi Formation was accumulated in oscillating settings between inner to middle neritic paleodepths, on a shallow subtidal shelf. The Upper Campanian-Maastrichtian sequence that covers the lower part of the Dakhla Formation was accumulated in outer neritic-upper bathyal to middle neritic paleodepths, on a deep subtidal shelf to a shallow subtidal shelf. The Danian sequence that covers the middle part of the Dakhla Formation was accumulated in oscillating conditions between upper bathyal and middle neritic paleodepths, on a deep subtidal and a shallow subtidal shelf. The Selandian-Thanetian sequence that comprises the upper part of the Dakhla, Tarawan, and the lower part of the Esna formations was accumulated in fluctuating conditions from upper bathyal to middle neritic paleodepths, on a deep subtidal to a shallow subtidal shelf. The Ypresian sequence that includes the main parts of Esna and Thebes formations was accumulated in fluctuating settings among middle bathyal and middle neritic paleodepths, on a deep subtidal to a shallow subtidal shelf. Most of the sequence boundaries coincide with the global sea-level curve whereas some of them suggest a local tectonic event.


英文关键词Sequence stratigraphy Systems tracts Facies analysis Depositional environments Paleobathymetry
类型Article
语种英语
国家Egypt
收录类别SCI-E
WOS记录号WOS:000419041400028
WOS关键词PALEOCENE-EOCENE TRANSITION ; NILE VALLEY EGYPT ; GEBEL-ABU-HAD ; EASTERN DESERT ; WADI-QENA ; FORAMINIFERAL BIOSTRATIGRAPHY ; CLAY MINERALOGY ; WESTERN DESERT ; KHARGA OASIS ; SECTION
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/2XILL650/197511
作者单位Assiut Univ, Geol Dept, Fac Sci, POB 71516, Assiut, Egypt
推荐引用方式
GB/T 7714
El-Younsy, Ahmed R. M.,Obaidalla, Nageh A.,Philobbos, Emad R.,et al. High-resolution sequence stratigraphy of the Upper Cretaceous-Lower Paleogene succession, Gabal Qreiya area, Upper Egypt[J],2017,10(24).
APA El-Younsy, Ahmed R. M.,Obaidalla, Nageh A.,Philobbos, Emad R.,&Salman, Abdelhamid M..(2017).High-resolution sequence stratigraphy of the Upper Cretaceous-Lower Paleogene succession, Gabal Qreiya area, Upper Egypt.ARABIAN JOURNAL OF GEOSCIENCES,10(24).
MLA El-Younsy, Ahmed R. M.,et al."High-resolution sequence stratigraphy of the Upper Cretaceous-Lower Paleogene succession, Gabal Qreiya area, Upper Egypt".ARABIAN JOURNAL OF GEOSCIENCES 10.24(2017).
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