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Analysis on the provenance and transport mechanism of sediments in the southern area of Southwest Taiwan Basin, South China Sea over the last 19 ka
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Rong Tang1, 2, 3, Xiuli Feng2, 3, *, Li Feng2, 3, Xiao Xiao2, 3, Shuang Liu2, 3
Haiyang Xuebao | 2021, 43(8) : 54 - 65
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Haiyang Xuebao | 2021, 43(8): 54-65
• Article •
Analysis on the provenance and transport mechanism of sediments in the southern area of Southwest Taiwan Basin, South China Sea over the last 19 ka
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Rong Tang1, 2, 3, Xiuli Feng2, 3, *, Li Feng2, 3, Xiao Xiao2, 3, Shuang Liu2, 3
Affiliations
  • 1The First Monitoring and Application Center, China Earthquake Administration, Tianjing 300180, China
  • 2College of Marine Geosciences, Ocean University of China, Qingdao 266100, China
  • 3Key Laboratory of Submarine Geosciences and Prospecting Techniques, Ministry of Education, Qingdao 266100, China
Published: 2021-08-25 doi: 10.12284/hyxb2021090
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Based on the analysis of the rare earth element (REE) geochemical characteristics and clay mineral assemblages of Core TS6 sediment samples in the southern area of Southwest Taiwan Basin, South China Sea, the provenance and characteristics of its changes, material transport mechanism of sediments in the study area over the last 19 ka (the last deglaciation) are discussed. The comprehensive analysis of provenance shows that the rivers in Taiwan are the main provenance of sediments in the study area. The rivers in the west of Taiwan contribute more than the rivers in the east, and the Zhujiang River also transports part of sediments to the study area. Due to the large differences on the types and contents of the main clay minerals in different provenance areas, it is judged that the illite and chlorite of the clay minerals in the study area are mainly provided by the rivers in Taiwan; the kaolinite is mainly provided by the Zhujiang River and the less content of montmorillonite is provided by Luzon Island in the southeast. Since the last deglacial period, the input of terrigenous materials in the study area has been gradually reduced under the control of sea level changes. The provenance changes reflected by the combination of clay minerals are mainly controlled by changes in climate and ocean currents, and the influence of multiple factors may be superimposed.

Southwest Taiwan Basin  /  the last deglaciation  /  provenance  /  transport mechanism  /  the input of terrigenous materials
Rong Tang, Xiuli Feng, Li Feng, Xiao Xiao, Shuang Liu. Analysis on the provenance and transport mechanism of sediments in the southern area of Southwest Taiwan Basin, South China Sea over the last 19 ka[J]. Haiyang Xuebao, 2021 , 43 (8) : 54 -65 . DOI: 10.12284/hyxb2021090
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Article Info
doi: 10.12284/hyxb2021090
  • Receive Date：2020-09-01
  • Online Date：2026-02-26
  • Published：2021-08-25
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  • Received：2020-09-01
  • Revised：2020-11-02
Funding
Affiliations
    1The First Monitoring and Application Center, China Earthquake Administration, Tianjing 300180, China
    2College of Marine Geosciences, Ocean University of China, Qingdao 266100, China
    3Key Laboratory of Submarine Geosciences and Prospecting Techniques, Ministry of Education, Qingdao 266100, China
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Citations
表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
Genus		 种数
Number of
species		 占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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