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Clay mineral distribution in surface sediments of the South China Sea and its significance for in sediment sources and transport
Liu, JG; Chen, MH; Chen, Z; Yan, W; jgliu@scsio.ac.cn
2010
发表期刊CHINESE JOURNAL OF OCEANOLOGY AND LIMNOLOGY
ISSN0254-4059
卷号28期号:2页码:407-415
摘要Clay minerals of surface sediments in the South China Sea (SCS) are analyzed with X-ray diffraction, and their transport is explored with a grain size trend analysis (GSTA) model. Results show that clay mineral types in various sedimentary environments have different sediment sources and transport routes. Sediments in the northern SCS (north of 20A degrees N) between the southwest of Taiwan Island and the outer mouth of the Pearl River have high contents of illite and chlorite, which are derived mainly from sediments on Taiwan Island and/or the Yangtze River. Sediments from the Pearl River are characterized by high kaolinite and low smectite content, and most are distributed in the area between the mouth of the Pearl River and northeast of Hainan Island and transported vertically from the continental shelf to the slope. Characterized by high illite content, sediments from Kalimantan Island are transported toward the Nansha Trough. Sediments from Luzon Island are related with volcanic materials, and are transported westwards according to smectite distribution. On the Sunda Shelf, sediments from the Mekong River are transported southeast in the north while sediments from the Indonesian islands are transported northward in the south. Ascertaining surface sediment sources and their transport routes will not only improve understanding of modern transportation and depositional processes, but also aid paleoenvironmental and paleoclimatic analysis of the SCS.
部门归属[Liu Jianguo; Chen Muhong; Chen Zhong; Yan Wen] Chinese Acad Sci, Key Lab Marginal Sea Geol, S China Sea Inst Oceanol, Guangzhou 510301, Guangdong, Peoples R China
关键词Clay Minerals Surface Sediments Sediment Sources South China Sea Sediment Transport
学科领域Limnology ; Oceanography
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收录类别sci
资助项目海洋地质
WOS记录号WOS:000275781400029
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文献类型期刊论文
条目标识符http://ir.scsio.ac.cn/handle/344004/4334
专题中科院边缘海地质重点实验室
通讯作者jgliu@scsio.ac.cn
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GB/T 7714
Liu, JG,Chen, MH,Chen, Z,et al. Clay mineral distribution in surface sediments of the South China Sea and its significance for in sediment sources and transport[J]. CHINESE JOURNAL OF OCEANOLOGY AND LIMNOLOGY,2010,28(2):407-415.
APA Liu, JG,Chen, MH,Chen, Z,Yan, W,&jgliu@scsio.ac.cn.(2010).Clay mineral distribution in surface sediments of the South China Sea and its significance for in sediment sources and transport.CHINESE JOURNAL OF OCEANOLOGY AND LIMNOLOGY,28(2),407-415.
MLA Liu, JG,et al."Clay mineral distribution in surface sediments of the South China Sea and its significance for in sediment sources and transport".CHINESE JOURNAL OF OCEANOLOGY AND LIMNOLOGY 28.2(2010):407-415.
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