Sedimentary budget of the Northwest Sub-basin, South China Sea: controlling factors and geological implications
Sedimentary budget of the Northwest Sub-basin, South China Sea: controlling factors and geological implications
复制标题
南海西北次盆地沉积收支：控制因素及地质意义
DOI：
10.1080/00206814.2019.1597392
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发表时间：
2020-05
影响因子：
2.6
通讯作者：
Ding Hanghang
中科院分区：
文献类型：
--
作者：
Wu Yanmei;Ding Weiwei;Clift Peter D.;Li Jiabiao;Yin Shaoru;Fang Yinxia;Ding Hanghang
根据国际海洋发现计划（IODP）第367和368次勘探结果的限制，我们计算了不同地质时代的沉积物预算的西北次盆地（NWSB），南海盆地的四个多道地震剖面的解释。区域构造事件和气候变化对沉积作用起主导作用，但局部构造事件和地理位置使沉积作用复杂化，这导致西北SB与其他边缘盆地和西南次盆地相比具有特定的沉积收支。在中中新世，随着青藏高原的隆升和亚洲季风的影响，沉积速率逐渐增大。晚中新世达到最高峰，与东沙岛地区的隆升相对应，导致白云凹陷的侵蚀沉积物大量绕过白云凹陷进入深海盆地;上新世，由于高海平面时期，与深海盆地相比，北方大陆架地区的沉积物储存量再次减少。更新世期间沉积物的增加表明，亚洲夏季风和冰川间冰期气候波动的加剧增强了大陆侵蚀和向深海盆地的沉积物输送。自西北SB开通以来，主要的沉积物源来自中国南方，少量来自红河、海南岛以及大陆架局部隆起。
We calculated the sedimentary budget of the Northwest Sub-basin (NWSB), South China Sea for different geological times based on interpretations of four multichannel seismic profiles across the basin with constraints from International Ocean Discovery Program (IODP) Expeditions 367 and 368 drilling results. Sedimentation was generally dominated by regional tectonic events and climate change, but complicated by local tectonic events and geographic position, which resulted in a specific sedimentary budget in the NWSB compared with other marginal basins and the Southwest Sub-basin. The sedimentation rate was relatively low following the opening of the NWSB but increased gradually during the Middle Miocene, corresponding to the uplift of the Tibetan Plateau and the Asian monsoon. It reached its peak in the Late Miocene, corresponding to uplift of the Dongsha Island region that caused intensive bypass of eroded sediments from the Baiyun Sag into the abyssal basin, and reduced again during the Pliocene because of sediment storage on the wide northern continental shelf area compared to the abyssal basin during a period of high-stand sea level. Increase in sedimentation during the Pleistocene suggests that continental erosion and sediment transport to the abyssal basin were enhanced by an intensified Asian summer monsoon and glacial-interglacial climate fluctuations. Since the opening of the NWSB, the primary sediment provenance has been from southern China, with minor contributions from the Red River, Hainan Island, as well as local uplifts on the continental shelf.
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DOI：
10.1007/s11430-014-4878-4
发表时间：
2014-08
期刊：
Science China Earth Sciences
影响因子：
--
作者：
M. Su;Cheng Zhang;Xinong Xie;Zhenfeng Wang;T. Jiang;Yunlong He;Cuimei Zhang
通讯作者：
M. Su;Cheng Zhang;Xinong Xie;Zhenfeng Wang;T. Jiang;Yunlong He;Cuimei Zhang
影响因子：
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作者：
Pang Xiong
通讯作者：
Pang Xiong
南海东北缘东沙隆起地壳结构的不同表现
影响因子：
3
作者：
Gao Jinwei;Peng Xuechao;Wu Shiguo;Luedmann Thomas;McIntosh Kirk;Ma Benjun;Xu Ziying
通讯作者：
Xu Ziying
琼东南盆地中央峡谷充盈时间差异及其控制因素
影响因子：
1.4
作者：
Shang Zhilei;Xie Xinong;Li Xushen;Zhang Daojun;He Yunlong;Yang Xing;Cui Mingzhe
通讯作者：
Cui Mingzhe
DOI：
10.1007/s11430-006-1053-6
发表时间：
2006-10
期刊：
Science in China Series D: Earth Sciences
影响因子：
--
作者：
Zhen Sun;Di Zhou;Zhihong Zhong;B. Xia;X. Qiu;Z. Zeng;Jianqun Jiang
通讯作者：
Zhen Sun;Di Zhou;Zhihong Zhong;B. Xia;X. Qiu;Z. Zeng;Jianqun Jiang