Seismic stratigraphy and development of a modern isolated carbonate platform (Xuande Atoll) in the South China Sea

被引：5
作者：
Liu, Y. [1 ,2 ]
Wu, S. [1 ,2 ,3 ]
Li, X. [1 ,4 ]
Chen, W. [1 ,2 ]
Han, X. [5 ]
Yang, C. [5 ]
Qin, Y. [1 ]
Huang, X. [1 ,6 ]
Yang, Z. [7 ]
Sun, J. [1 ]
Zhu, L. [1 ]
机构：
[1] Inst Deep Sea Sci & Engn CAS, Lab Marine Geophys & Georesources Hainan Prov, Sanya, Peoples R China
[2] Univ Chinese Acad Sci, Sch Earth Sci, Beijing, Peoples R China
[3] Qingdao Natl Lab Marine Sci & Technol, Lab Marine Geol, Qingdao, Peoples R China
[4] Guangzhou Marine Geol Survey, Sanya Inst South China Sea Geol, Sanya, Peoples R China
[5] Marine Geol Survey, Inst Hainan Prov, Haikou, Peoples R China
[6] Univ Potsdam, Inst Earth & Environm Sci, Potsdam, Germany
[7] Guangzhou Marine Geol Survey, Inst Georesource, Guangzhou, Peoples R China
来源：
FRONTIERS IN EARTH SCIENCE | 2023年 / 10卷
基金：
美国国家科学基金会;
关键词：
carbonate platform; tectonic control; monsoon; coral atoll; Xisha; XISHA ISLANDS; CRUSTAL STRUCTURE; OFFSHORE PALAWAN; WELL XIKE-1; MIOCENE; EVOLUTION; INSIGHTS; BASIN; ASIA; SEGMENTATION;
D O I：
10.3389/feart.2022.1042371
中图分类号：
P [天文学、地球科学];
学科分类号：
07 ;
摘要：
Xuande Atoll is an isolated carbonate platform that has developed since the early Miocene. This study conducted high-resolution seismic surveys and shallow drilling to understand its internal structure and development. Five seismic sequences were observed (from bottom to top): SQ1 (early Miocene), SQ2 (middle Miocene), SQ3 (late Miocene), SQ4 (Pliocene), and SQ5 (Quaternary). The seismic data indicated that the platform formation started in the early Miocene and flourished during the early and middle Miocene. The platform shrank before the isolated platform formed in the middle Miocene. The final shrinking stage occurred in the southern and western parts of the platform at the end of the Miocene, which may reflect rapid tectonic subsidence and increased terrigenous sediment inputs owing to the formation of the semi-marginal sea. The peri-platform contains a falling sea-level sequence that was dominated by mass wasting deposits.
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页数：12
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