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学科主题: Geosciences, Multidisciplinary
题名: Seep carbonates and preserved methane oxidizing archaea and sulfate reducing bacteria fossils suggest recent gas venting on the seafloor in the northeastern South China Sea
作者: Chen, DF ; Huang, YY ; Yuan, XL ; Cathles, LM
通讯作者: cdf@gig.ac.cn
关键词: seep carbonate ; methane oxidizing archaea ; sulfate reducing bacteria ; gas hydrate ; South China Sea
刊名: MARINE AND PETROLEUM GEOLOGY
发表日期: 2005
卷: 22, 期:5, 页:613-621
收录类别: sci
部门归属: Chinese Acad Sci, Guangzhou Inst Geochem, Key Lab Marginal Sea Geol, Guangzhou 510640, Peoples R China; Chinese Acad Sci, S China Sea Inst Oceanol, Guangzhou 510640, Peoples R China; Chinese Acad Sci, Guangzhou Ctr Gas Hydrate Res, Guangzhou 510640, Guangdong, Peoples R China; MGMR, Guangzhou Marine Geol Surv, Guangzhou 510075, Peoples R China; Chinese Acad Sci, Nanjing Inst Geol & Palaeontol, Nanjing 210008, Peoples R China; Cornell Univ, Dept Earth & Atmospher Sci, Ithaca, NY 14853 USA
项目归属: 海洋地质
摘要: Seep carbonates, formed by the synergistic metabolism of methane oxidizing archaea (MOA) and sulfate reducing bacteria (SRB), have been found in many places worldwide but have not been found to date in the South China Sea. Mud volcanoes and shale diapirs have been reported in the South China Sea however, and microscope and geochernical analysis of carbonates dredged where bottom simulating reflectors (BSR) suggest the presence of gas hydrate on the northeastern continental slope of the South China Sea suggest that the carbonates are hydrocarbon seep-related carbonates. The carbonates we dredged are chimney-like and preserve MOA/SRB fossils. Their very light carbon isotopic compositions (- 51.25 to - 51.76 parts per thousand) suggest that their carbon was derived from microbial methane oxidization. These seep carbonates and their preserved MOA/SRB fossils imply gas venting has occurred recently on the seafloor in the northeastern continental slopes in the South China Sea. (c) 2005 Elsevier Ltd. All rights reserved.
WOS记录号: WOS:000231273700002
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内容类型: 期刊论文
URI标识: http://ir.scsio.ac.cn/handle/344004/4858
Appears in Collections:中科院边缘海地质重点实验室_期刊论文

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Chen, DF; Huang, YY; Yuan, XL; Cathles, LM.Seep carbonates and preserved methane oxidizing archaea and sulfate reducing bacteria fossils suggest recent gas venting on the seafloor in the northeastern South China Sea,MARINE AND PETROLEUM GEOLOGY,2005,22(5):613-621
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文件名: Seep carbonates and preserved methane oxidizing archaea and sulfate reducing bacteria fossils suggest recent gas venting on the seafloor in the Northeastern South China Sea .pdf
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