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The biomarkers of 2,6,10,15,19-pentamethylicosenes and their carbon isotopic composition in the sediments from the Gulf of Mexico
Song Zhiguang; Wang Cuiping
2006-07-01
Source PublicationCHINESE SCIENCE BULLETIN
Volume51Issue:14Pages:1736-1740
AbstractA group of 2,6,10,15,19-pentamethylicosenes (PMI Delta) containing 1-5 unsaturated double bonds has been identified in the sea floor sediments from the Gulf of Mexico at the Green Canyon 238 site. These PMI Delta compounds are distributed between nC(22) and nC(24) on the mass chromatogram of aliphatic fraction. Their delta(13)C values are very much depleted in (13)C and in the range of -86.7% to -115.5%, whereas the delta(13)C values of companion n-alkanes range from -28.4% to -34.6%. These unsaturated PMI Delta compounds are typical biomarkers derived from the anaerobic oxidation of methane mediated by methane-oxidizing archaeal bacteria and indicative of the gas seeps or even the occurrence of gas hydrates in the deep sea sediments.
SubtypeArticle
KeywordSediments From The Gulf Of Mexico Methanogenic Archaea Pmi Delta Biomarkers Sea Floor Gas Seepage Gas Hydrates
WOS HeadingsScience & Technology
DOI10.1007/s11434-006-2036-x
WOS Subject ExtendedScience & Technology - Other Topics
WOS KeywordANAEROBIC METHANE OXIDATION ; SULFATE-REDUCING BACTERIA ; MARINE-SEDIMENTS ; METHANOGENIC BACTERIA ; HYDROCARBON SEEPS ; NEUTRAL LIPIDS ; COLD SEEPS ; SEA ; ISOPRENOIDS ; ARCHAEA
Indexed BySCI
Language英语
WOS SubjectMultidisciplinary Sciences
WOS IDWOS:000240391900013
Citation statistics
Cited Times:6[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.giec.ac.cn/handle/344007/10262
Collection中国科学院广州能源研究所
Affiliation1.Chinese Acad Sci, Guangzhou Inst Geochem, State Key Lab Organ Geochem, Guangzhou 510640, Peoples R China
2.Chinese Acad Sci, Guangzhou Res Ctr Gas Hydrate, Guangzhou 510640, Peoples R China
3.Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China
Recommended Citation
GB/T 7714
Song Zhiguang,Wang Cuiping. The biomarkers of 2,6,10,15,19-pentamethylicosenes and their carbon isotopic composition in the sediments from the Gulf of Mexico[J]. CHINESE SCIENCE BULLETIN,2006,51(14):1736-1740.
APA Song Zhiguang,&Wang Cuiping.(2006).The biomarkers of 2,6,10,15,19-pentamethylicosenes and their carbon isotopic composition in the sediments from the Gulf of Mexico.CHINESE SCIENCE BULLETIN,51(14),1736-1740.
MLA Song Zhiguang,et al."The biomarkers of 2,6,10,15,19-pentamethylicosenes and their carbon isotopic composition in the sediments from the Gulf of Mexico".CHINESE SCIENCE BULLETIN 51.14(2006):1736-1740.
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