Knowledge Resource Center for Ecological Environment in Arid Area
| DOI | 10.1016/j.jafrearsci.2019.103745 |
| Foraminiferal biostratigraphy and paleobathymetry of the Maastrichtian - Paleocene succession at the north Farafra Oasis, Western Desert, Egypt | |
| El Baz, Sherif M. | |
| 通讯作者 | El Baz, Sherif M. |
| 来源期刊 | JOURNAL OF AFRICAN EARTH SCIENCES
 |
| ISSN | 1464-343X |
| EISSN | 1879-1956 |
| 出版年 | 2020 |
| 卷号 | 163 |
| 英文摘要 | The Upper Cretaceous Paleogene successions are well exposed at the Farafra Oasis, Western Desert, Egypt. The studied succession is distinguished into three formations arranged from base to top: Khoman (Maastrichtian), Dakhla and Tarawan (Paleocene). The identification of foraminiferal association yielded 55 species (28 planktonic and 27 benthonic). Most of them are considered as important biostratigraphical markers, especially in the Tethyan Realm. Based on planktonic foraminifera, nine biozones are differentiated, the Globotruncana aegyptiaca Zone, Gansserina ganssert Zone, Contusotruncana contusa Zone, Parasubbotina pseudobulloides Zone, Subbotina triloculinoides Zone, Praemurica uncinata Zone, Morozovella angulata-lgorina &earl Zone, Igorina albeari Globanomalina pseudomenardii Zone and Globanomalina pseudomenardii- Acartnina subsphaerica Zone. The Cretaceous/Paleogene boundary (K/P) lies at the boundary between the Khoman and Dakhla formations. The biostratigraphic framework points to the absence of the Abathomphalus mayaroensis Zone of Late Masstrichtian and Guembelitria cretacea (P0) and Parvularugoglobigerina eugubina (Pa) zones of Early Paleocene. Therefore, the K/P boundary starts with the sudden disappearance of all the Cretaceous genera such as Globotruncana, Globotruncanita, Hedbergella Archaeoglobigerina, Heteroheltx, Gansserina and Contusotruncana, followed by the appearance of Danian species such as Parasubbotina pseudobulloides (Plummer), Subbotina triloculinoides (Plummer) and Praemurica uncinata (Bolli). An attempt to estimate the paleobathymetry is done based on the investigated foraminiferal assemblages. |
| 英文关键词 | Foraminifera Biostratigraphy Late Cretaceous Early Paleogene Western Desert Egypt |
| 类型 | Article |
| 语种 | 英语 |
| 国家 | Egypt |
| 收录类别 | SCI-E |
| WOS记录号 | WOS:000518720600004 |
| WOS关键词 | CRETACEOUS-TERTIARY BOUNDARY ; PLANKTONIC-FORAMINIFERA ; SEQUENCE STRATIGRAPHY ; DAKHLA FORMATION ; EL-KEF ; SECTION ; EXTINCTION ; TRANSITION ; TUNISIA ; PRODUCTIVITY |
| 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/2XILL650/314838 |
| 作者单位 | Damietta Univ, Fac Sci, Geol Dept, New Damietta, Egypt |
| 推荐引用方式 GB/T 7714 | El Baz, Sherif M.. Foraminiferal biostratigraphy and paleobathymetry of the Maastrichtian - Paleocene succession at the north Farafra Oasis, Western Desert, Egypt[J],2020,163. |
| APA | El Baz, Sherif M..(2020).Foraminiferal biostratigraphy and paleobathymetry of the Maastrichtian - Paleocene succession at the north Farafra Oasis, Western Desert, Egypt.JOURNAL OF AFRICAN EARTH SCIENCES,163. |
| MLA | El Baz, Sherif M.."Foraminiferal biostratigraphy and paleobathymetry of the Maastrichtian - Paleocene succession at the north Farafra Oasis, Western Desert, Egypt".JOURNAL OF AFRICAN EARTH SCIENCES 163(2020). |
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