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Detection and indication of 1,3,4-C27-29 triol in the sediment of northern South China Sea
Zhu XiaoWei; Mao ShengYi; Wu NengYou; Jia GuoDong; Sun YongGe; Guan HongXiang; Wu DaiDai; Mao, SY (reprint author), Chinese Acad Sci, Guangzhou Inst Energy Convers, Key Lab Gas Hydrate, Guangzhou 510640, Guangdong, Peoples R China.; Mao, SY (reprint author), Chinese Acad Sci, Guangzhou Ctr Gas Hydrate Res, Guangzhou 510640, Guangdong, Peoples R China.
2016
发表期刊SCIENCE CHINA-EARTH SCIENCES
卷号59期号:6页码:1187-1194
摘要After the detection of the 1,20,21-C-29 long-chain triol in some sediments and freshwater pteridophytes, in this study, a new homologous long-chain triol, 1,3,4-C27-29, is detected for the first time in the Site4B core sediment in the northern South China Sea. The hydroxyl location and length of the carbon chain of this newly discovered triol differ from those of 1,20,21-C-29 triol. The test results of its molecular distribution and individual carbon isotope reveal that 1,3,4-C(29)triol has a good correlation with n-C26-30 even carbon-numbered long-chain fatty alcohols, with R (2) (n=68) values of 0.905, 0.929 and 0.903, respectively, and its carbon isotope composition, at-32.3aEuro degrees +/- 1.9aEuro degrees, is similar to that of n-C26-30, at-29.13aEuro degrees +/- 0.87aEuro degrees,-32.98aEuro degrees +/- 1.28aEuro degrees, and-32.98aEuro degrees +/- 1.28aEuro degrees. 1,3,4-C-29 triol from the Site4B core sediment and terrigenous long-chain fatty alcohol (n-C26-34) show highly consistent distribution trends in the entire section; thus, the former could serve as a proxy indicator of the terrigenous input. Considering that the 1,20,21-C-29 triol in previous research belongs to Azolla, which are fresh water pteridophytes, the 1,3,4-C27-29 triol identified in this study might have similar biogenetic derivation. Thus, determination of its biogenic area and growing environment could provide potential organic geochemical evidence supporting the terrigenous input and source in the northern South China Sea.
部门归属[Zhu XiaoWei; Jia GuoDong] Chinese Acad Sci, South China Sea Inst Oceanol, Key Lab Marginal Sea Geol, Guangzhou 510301, Guangdong, Peoples R China; [Zhu XiaoWei; Jia GuoDong] Chinese Acad Sci, Guangzhou Inst Geochem, Key Lab Marginal Sea Geol, Guangzhou 510640, Guangdong, Peoples R China; [Mao ShengYi; Wu NengYou; Guan HongXiang; Wu DaiDai] Chinese Acad Sci, Guangzhou Inst Energy Convers, Key Lab Gas Hydrate, Guangzhou 510640, Guangdong, Peoples R China; [Sun YongGe] Zhejiang Univ, Dept Geosci, Hangzhou 310037, Zhejiang, Peoples R China; [Mao ShengYi; Wu NengYou; Guan HongXiang; Wu DaiDai] Chinese Acad Sci, Guangzhou Ctr Gas Hydrate Res, Guangzhou 510640, Guangdong, Peoples R China ; 边缘海地质
关键词Long-chain Triol Northern South China Sea Terrigenous Input
学科领域Geology
文献类型期刊论文
条目标识符http://ir.scsio.ac.cn/handle/344004/15432
专题中科院边缘海地质重点实验室
通讯作者Mao, SY (reprint author), Chinese Acad Sci, Guangzhou Inst Energy Convers, Key Lab Gas Hydrate, Guangzhou 510640, Guangdong, Peoples R China.; Mao, SY (reprint author), Chinese Acad Sci, Guangzhou Ctr Gas Hydrate Res, Guangzhou 510640, Guangdong, Peoples R China.
推荐引用方式
GB/T 7714
Zhu XiaoWei,Mao ShengYi,Wu NengYou,et al. Detection and indication of 1,3,4-C27-29 triol in the sediment of northern South China Sea[J]. SCIENCE CHINA-EARTH SCIENCES,2016,59(6):1187-1194.
APA Zhu XiaoWei.,Mao ShengYi.,Wu NengYou.,Jia GuoDong.,Sun YongGe.,...&Mao, SY .(2016).Detection and indication of 1,3,4-C27-29 triol in the sediment of northern South China Sea.SCIENCE CHINA-EARTH SCIENCES,59(6),1187-1194.
MLA Zhu XiaoWei,et al."Detection and indication of 1,3,4-C27-29 triol in the sediment of northern South China Sea".SCIENCE CHINA-EARTH SCIENCES 59.6(2016):1187-1194.
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