Speciation and stable isotopic compositions of humic sulfur in mud sediment of the East China Sea: Constraints on origins and pathways of organic sulfur formation

• Published in: Organic geochemistry Vol. 63; pp. 64 - 72
• Main Authors: Zhu, Mao-Xu, Huang, Xiang-Li, Yang, Gui-Peng, Hao, Xiao-Chen
• Format: Journal Article
• Language: English
• Published: Oxford Elsevier Ltd 01.10.2013; Elsevier
• Subjects: biochemical compounds; Earth sciences; Earth, ocean, space; East China Sea; Exact sciences and technology; fulvic acids; geochemistry; humic acids; Marine and continental quaternary; marine sediments; mineralization; sulfur; Surficial geology; East China Sea; West Pacific; Pacific Ocean; INW, Donghai Sea; fulvic acids; humic acids; drill cores; inner shelf; mineralization; burial; decomposition; mud; marine sediments; organic sulfur; speciation

•Contents and sulfur isotopes of three organic sulfur (OS) forms are investigated.•Hydrolyzable OS is almost biological in origin and diagenetically refractory.•Terrigenous OS accounts for 77–79% of HA-S and sulfurization for 41–71% of FA-S.•Humic-acid S is generally inert in early diagenesis, but f...