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Magnetic susceptibility variations and provenance of surface sediments in the South China Sea by Jianguo Liu; Zhong Chen; Muhong Chen; Wen Yan; Rong Xiang; Xianzan Tang is a Earth and Planetary Sciences article available to read on EtoBox.

What is Magnetic susceptibility variations and provenance of surface sediments in the South China Sea about?

Magnetic susceptibility (MS) and grain sizes of surface sediments are measured to characterize sediment sources and their distribution in the South China Sea (SCS). Distribution characteristics of MS of bulk samples (MSB), fine-grained fraction (MSF) and coarse-grained fraction (MSC) are examined to explore the factors affecting MS values in sediment transport and deposition processes. Affected by dilution of quartz and carbonate abundance, MSC is not suitable for tracing sediment sources in the region. Instead, MSF provides a good parameter for tracking transport and deposition of complex and coarse-grained sediments such as those from Luzon Island volcanics and from the Pearl and Mekong Rivers, which often have high MSF values showing a decreasing trend with water depth on the continental shelf (water depth b 200 m). To the west of Luzon Island, Kuroshio intrusion into the SCS is the predominant factor for sediment transport after high MSF volcanic materials from the Luzon Island are discharged into the sea. Sediments from the Pearl River are transported southwestward under the China coastal current and then deposited between the Pearl River mouth and Hainan Island. To the southw

Who reads Magnetic susceptibility variations and provenance of surface sediments in the South China Sea?

Author

Jianguo Liu; Zhong Chen; Muhong Chen; Wen Yan; Rong Xiang; Xianzan Tang

Publisher

Elsevier Science; Elsevier ; Elsevier BV (ISSN 0037-0738)

Published

2010

Language

EN

Field

Earth and Planetary Sciences (Physical Sciences)