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Component characteristics of organic matter in hydrothermal barnacle shells from Southwest Indian Ridge
作者姓名:HUANG Xin  ZENG Zhigang  CHEN Shuai  YIN Xuebo  WANG Xiaoyuan  ZHAO Huijing  YANG Baoju  RONG Kunbo  MA Yao
作者单位:Key Laboratory of Marine Geology and Environment, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China;University of Chinese Academy of Sciences, Beijing 100049, China;Key Laboratory of Marine Geology and Environment, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China;Key Laboratory of Marine Geology and Environment, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China;Key Laboratory of Marine Geology and Environment, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China;Key Laboratory of Marine Geology and Environment, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China;Key Laboratory of Marine Geology and Environment, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China;University of Chinese Academy of Sciences, Beijing 100049, China;Key Laboratory of Marine Geology and Environment, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China;University of Chinese Academy of Sciences, Beijing 100049, China;Key Laboratory of Marine Geology and Environment, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China;University of Chinese Academy of Sciences, Beijing 100049, China;Key Laboratory of Marine Geology and Environment, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China;University of Chinese Academy of Sciences, Beijing 100049, China
基金项目:The National Basic Research Program of China under contract No. 2012CB417305; China Ocean Mineral Resources R & D Association (COMRA) Project under contract No. DY125-11; Endowment Fund of International Seabed Authority (International Cooperative Study on Hydrothermal System at Ultraslow Spreading SWIR).
摘    要:In 2008-2009, hydrothermal barnacle and sediment samples were collected from the Southwest Indian Ridge during a survey of the China Ocean Mineral Resources R&D Association (COMRA). Samples were ana- lyzed by gas chromatography-mass spectrometer (GC-MS), revealing the main organic constituents of hy- drothermal barnacle and sediment to be fatty acids and alkylbenzenes. N-alkanes which possessed obvious even carbon advantage were also detected in hydrothermal sediment. The high concentrations of aromatic compounds might be the result of macromolecular thermal alteration. Microorganism in the submarine hydrothermal ecosystem, especially those related to sulfur metabolism, might be the source of the high con- centrations of fatty acids detected in these samples. In high temperature and high pressure hydrothermal environments, n-alkanes which possessed obvious even carbon advantage might originate from thermal alteration of carboxylic acids and other lipid compounds.

关 键 词:热液沉积物  洋中脊  藤壶  印度  西南  有机物  特性  组件
收稿时间:2013/5/13 0:00:00
修稿时间:8/4/2013 12:00:00 AM

Component characteristics of organic matter in hydrothermal barnacle shells from Southwest Indian Ridge
HUANG Xin,ZENG Zhigang,CHEN Shuai,YIN Xuebo,WANG Xiaoyuan,ZHAO Huijing,YANG Baoju,RONG Kunbo,MA Yao.Component characteristics of organic matter in hydrothermal barnacle shells from Southwest Indian Ridge[J].Acta Oceanologica Sinica,2013,32(12):60-67.
Authors:HUANG Xin  ZENG Zhigang  CHEN Shuai  YIN Xuebo  WANG Xiaoyuan  ZHAO Huijing  YANG Baoju  RONG Kunbo and MA Yao
Institution:1.Key Laboratory of Marine Geology and Environment, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China;University of Chinese Academy of Sciences, Beijing 100049, China2.Key Laboratory of Marine Geology and Environment, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China
Abstract:In 2008-2009, hydrothermal barnacle and sediment samples were collected from the Southwest Indian Ridge during a survey of the China Ocean Mineral Resources R&D Association (COMRA). Samples were analyzed by gas chromatography-mass spectrometer (GC-MS), revealing the main organic constituents of hydrothermal barnacle and sediment to be fatty acids and alkylbenzenes. N-alkanes which possessed obvious even carbon advantage were also detected in hydrothermal sediment. The high concentrations of aromatic compounds might be the result of macromolecular thermal alteration. Microorganism in the submarine hydrothermal ecosystem, especially those related to sulfur metabolism, might be the source of the high concentrations of fatty acids detected in these samples. In high temperature and high pressure hydrothermal environments, n-alkanes which possessed obvious even carbon advantage might originate from thermal alteration of carboxylic acids and other lipid compounds.
Keywords:Southwest Indian Ridge  hydrothermal barnacle shell  hydrothermal sediment  organic matter
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