Middle Miocene mound-shaped sediment packages on the slope of the Xisha carbonate platforms, South China Sea: Combined result of gravity flow and bottom current
Tian, Jie1,2; Wu, Shiguo3; Lv, Fuliang4; Wang, Dawei1; Wang, Bin4; Zhang, Xinyuan1,2; Ma, Benjun1,2
2015-12-01
发表期刊DEEP-SEA RESEARCH PART II-TOPICAL STUDIES IN OCEANOGRAPHY
卷号122期号:2015页码:172-184
摘要Deep-water mound-shaped sediment packages on the northern slope of the Xisha carbonate platforms in the northern South China Sea were analyzed by integrating high-resolution multi-channel seismic and drilling data. The mounds are distributed in the Beijiao depression of the Qiongdongnan Basin within the T41-T40 seismic horizons, which correspond to the middle Miocene. Mound-shaped reflections were identified both in the NE-SW and NW-SE oriented seismic profiles. The mound shapes are most prominent in the center of the NW-SE oriented seismic profiles, and the undulating tops flatten out towards the NW and SE. Similar reflections are mostly asymmetric, with steeper eastern flanks in the NE-SW oriented seismic profiles, and they are mostly round in shape. The wave impedance from the inversion calculation is 6-8 x 10(6) kg/(m(2).s). It is much lower than that of the reef reservoir in the LH11-1 Reef Oilfield. Paleogeographic analysis shows that the Xisha uplift was dominated by tropical shallow carbonate platforms, while the Beijiao depression became a bathyal environment in the middle Miocene. Drilling data confirmed that the mound-shaped sediment packages are mainly composed of calcareous mudstone. Therefore, we infer that the mound-shaped sediment packages could be reef complexes or they were presumably built by combined gravity flow and bottom current. (C) 2015 Elsevier Ltd. All rights reserved.
文章类型Article
关键词Mound-shaped Sediment Packages Gravity Flow Bottom Current Xisha Carbonate Platforms South China Sea
WOS标题词Science & Technology ; Physical Sciences
DOI10.1016/j.dsr2.2015.06.016
URL查看原文
收录类别SCI
语种英语
关键词[WOS]DEEP-WATER CIRCULATION ; PEARL RIVER MOUTH ; QIONGDONGNAN BASIN ; TURBIDITY CURRENTS ; SEISMIC CHARACTERISTICS ; NORTH-ATLANTIC ; SEQUENCE STRATIGRAPHY ; CHANNEL SYSTEM ; NE ATLANTIC ; NEW-ZEALAND
WOS类目Oceanography
WOS记录号WOS:000367106500017
所属项目编号SIDSSE201403
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被引频次:5[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
版本出版稿
条目标识符http://ir.idsse.ac.cn/handle/183446/1226
专题深海科学研究部_深海地球物理与资源研究室
作者单位1.Chinese Acad Sci, Inst Oceanol, Key Lab Marine Geol & Environm, Qingdao 266071, Peoples R China
2.Univ Chinese Acad Sci, Sch Earth Sci, Being 100049, Peoples R China
3.Sanya Inst Deep Sea Sci & Engn, Lab Marine Geophys & Georesource, Sanyo 572000, Peoples R China
4.CNPC, Hangzhou Inst Geol, Hangzhou 310000, Zhejiang, Peoples R China
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Tian, Jie,Wu, Shiguo,Lv, Fuliang,et al. Middle Miocene mound-shaped sediment packages on the slope of the Xisha carbonate platforms, South China Sea: Combined result of gravity flow and bottom current[J]. DEEP-SEA RESEARCH PART II-TOPICAL STUDIES IN OCEANOGRAPHY,2015,122(2015):172-184.
APA Tian, Jie.,Wu, Shiguo.,Lv, Fuliang.,Wang, Dawei.,Wang, Bin.,...&Ma, Benjun.(2015).Middle Miocene mound-shaped sediment packages on the slope of the Xisha carbonate platforms, South China Sea: Combined result of gravity flow and bottom current.DEEP-SEA RESEARCH PART II-TOPICAL STUDIES IN OCEANOGRAPHY,122(2015),172-184.
MLA Tian, Jie,et al."Middle Miocene mound-shaped sediment packages on the slope of the Xisha carbonate platforms, South China Sea: Combined result of gravity flow and bottom current".DEEP-SEA RESEARCH PART II-TOPICAL STUDIES IN OCEANOGRAPHY 122.2015(2015):172-184.
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