干旱区生态环境知识资源中心(Arid): Sequence stratigraphy of the Paleocene succession in the Kharga Oasis, Western Desert, Egypt: insights from microplankton biostratigraphy and benthic foraminifer paleoenvironments

Arid

DOI	10.1016/j.palwor.2023.01.005
	Sequence stratigraphy of the Paleocene succession in the Kharga Oasis, Western Desert, Egypt: insights from microplankton biostratigraphy and benthic foraminifer paleoenvironments
	Bazeen, Youssef S.; Hewaidy, Abdel Galil A.; Samir, Ahmed; Moneer, El Sayed M.; El-Moghny, Mohamed W. Abd; Ayyad, Haitham M.
通讯作者	Bazeen, YS
来源期刊	PALAEOWORLD
ISSN	1871-174X
EISSN	1875-5887
出版年	2024
卷号	33 期号:1 页码:188-204
英文摘要	The present work provides a comprehensive stratigraphic consideration for the Paleocene (Danian-early Thanetian) succession in the Gebel El-Teir section, Kharga Oasis, Western Desert. The study incorporates calcareous nannofossils, foraminifers (planktic and benthic), and microfacies analyses to deduce fluctuations in the relative sea level and construct a sequence stratigraphic framework. In terms of the microplankton biostratigraphy, five planktic foraminifer (P2, P3a, P4a, P4b, and P4c) and four calcareous nannofossil (NP4-NP6 and NP8) zones have been recognized. Moreover, three biostratigraphic hiatuses were recognized based on the integration between the calcareous nannofossil and planktic foraminifer bioevents. These hiatuses aided in subdividing the studied interval into four 3rd order depositional sequences (D-DS1, S-DS2, S/Th-DS3, and Th-DS4). The paleo-water-depth variations deduced from the foraminiferal and sedimentological proxies facilitate the establishment of a relative sea-level curve and, subsequently, the systems tracts of each depositional sequence were readily recognized. The shallowest water conditions (middle neritic setting) occurred during the deposition of the Danian interval. However, a much deeper paleoenvironment (deep outer neritic-upper bathyal settings) marks the Selandian/Thanetian (S/Th) transition interval. The proposed sequence stratigraphic model and the presence of some extended hiatuses attribute the primary cause for accommodation destruction/creation to the regional tectonic uplift/subsidence. However, once the basin had been formed, the relative sea level within the individual depositional sequence behaved in a manner consistent with the contemporaneous eustatic 3rd-order (c) 2023 Elsevier B.V. and Nanjing Institute of Geology and Palaeontology, CAS. All rights reserved.
英文关键词	Age/depth model Danian-Thanetian depositional sequences microfacies analysis Egypt
类型	Article
语种	英语
收录类别	SCI-E
WOS记录号	WOS:001170490800001
WOS类目	Paleontology
WOS研究方向	Paleontology
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/405033
推荐引用方式 GB/T 7714	Bazeen, Youssef S.,Hewaidy, Abdel Galil A.,Samir, Ahmed,et al. Sequence stratigraphy of the Paleocene succession in the Kharga Oasis, Western Desert, Egypt: insights from microplankton biostratigraphy and benthic foraminifer paleoenvironments[J],2024,33(1):188-204.
APA	Bazeen, Youssef S.,Hewaidy, Abdel Galil A.,Samir, Ahmed,Moneer, El Sayed M.,El-Moghny, Mohamed W. Abd,&Ayyad, Haitham M..(2024).Sequence stratigraphy of the Paleocene succession in the Kharga Oasis, Western Desert, Egypt: insights from microplankton biostratigraphy and benthic foraminifer paleoenvironments.PALAEOWORLD,33(1),188-204.
MLA	Bazeen, Youssef S.,et al."Sequence stratigraphy of the Paleocene succession in the Kharga Oasis, Western Desert, Egypt: insights from microplankton biostratigraphy and benthic foraminifer paleoenvironments".PALAEOWORLD 33.1(2024):188-204.