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Sources, Transport and Deposition of Surface Sediments from the South China Sea

Author(s): Liu J, Rong X, Zhong C, Muhong C, Wen Y, et al.

Abstract

Sediment sources, transport and deposition in the South China Sea (SCS) are addressed based on multiple proxies of 111 surface sediment samples, including clay minerals and rare earth elements. Results reveal that sediment sources in the SCS generally contain volcanic, biogenic and terrigenous materials. Volcanic material is typically distributed west of Luzon Island (including adjacent to Huangyan Island). Carbonate biogenic materials (e.g., coral and foraminifera) develop strongly around the Nansha and Xisha Islands. Terrigenous materials mainly derive from the continent via large rivers (e.g., the Pearl, Red and Mekong Rivers) and from islands via mountainous rivers (e.g. the Gaoping River in Southwest Taiwan and Rajang River in northern Kalimantan).

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