The sedimentary and tectonic features of the Niger Delta
Su YuShan1; Wang Tong1; Li Cheng2; Zhang GuangYa3; Zhao Yan4; Li YueJun5; Zhao Wei1; Zhao TianYu4
刊名ACTA PETROLOGICA SINICA
2019
卷号35期号:4页码:1238-1256
关键词Niger Delta Prograded delta Gravity-gliding tectonics Shale tectonics Benue-Niger river system Eastern Atlantic passive continental margin Central African Rift System West African Rift System Breakup of the Gondwana
ISSN号1000-0569
DOI10.18654/1000-0569/2019.04.17
英文摘要The Niger Delta, one of the largest delta in the world, is located on the eastern passive continental margin of the Atlantic Ocean. It was formed during the Niger River entering the Atlantic Ocean. The main part of the delta lies on the Atlantic oceanic crust, and the minor part on the African pre-Cambrian basement. The Central and West African Rift Systems indirectly control the formation of the Niger Delta through controlling the distribution and development of the Benue-Niger river system. It is a prograded delta with typical prograding sequence, i.e., regressive sequence. The prograding sequence is constituted with the marine shale (Akata Formation), paralic sand and shale (Agbada Formation) and continental alluvial sands (Benin Formation) from the bottom to the top. These three lithostratigraphic units are diachronous. All of them are younger seaward. There is a large scale gravity gliding tectonics. The main detachment fault lies in the Akata marine shale. The gravity tectonics can be divided into the front compressional deformation province and the trail extensional deformation province. The front compressional deformation formed a fold-thrust belt. The trail extensional deformation formed horst-graben structures. The detachment folds are well developed in the transitional zone between these two deformation provinces. Accompanied with the gravity-gliding tectonics, shale tectonics are widely developed in the Niger Delta. There is possibly some formation-relation between the gravity-gliding tectonics and the Cenozoic volcanic activities of the Cameroon volcanic line.
WOS关键词THRUST BELT ; EVOLUTION ; AFRICA
WOS研究方向Geology
语种英语
出版者SCIENCE PRESS
WOS记录号WOS:000471124100017
内容类型期刊论文
源URL[http://ir.iggcas.ac.cn/handle/132A11/92504]  
专题地质与地球物理研究所_岩石圈演化国家重点实验室
通讯作者Su YuShan
作者单位1.SINOPEC, Res Inst Petr Explorat & Prod, Beijing 100083, Peoples R China
2.Kyung Hee Univ, Dept Geog, Seoul 02447, South Korea
3.PetroChina Res Inst Petr Explorat & Dev RIPED, Beijing 100083, Peoples R China
4.Kexin Petr Sci & Technol Serv Co Ltd, Korla 841000, Peoples R China
5.Chinese Acad Sci, Inst Geol & Geophys, State Key Lab Lithospher Evolut, Beijing 100029, Peoples R China
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Su YuShan,Wang Tong,Li Cheng,et al. The sedimentary and tectonic features of the Niger Delta[J]. ACTA PETROLOGICA SINICA,2019,35(4):1238-1256.
APA Su YuShan.,Wang Tong.,Li Cheng.,Zhang GuangYa.,Zhao Yan.,...&Zhao TianYu.(2019).The sedimentary and tectonic features of the Niger Delta.ACTA PETROLOGICA SINICA,35(4),1238-1256.
MLA Su YuShan,et al."The sedimentary and tectonic features of the Niger Delta".ACTA PETROLOGICA SINICA 35.4(2019):1238-1256.
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