IOCAS-IR  > 海洋地质与环境重点实验室
Laser Raman detection of authigenic carbonates from cold seeps at the Formosa Ridge and east of the Pear River Mouth Basin in the South China Sea
Xi, Shichuan1,2,3,4; Zhang, Xin1,2,3,4; Du, Zengfeng1,2; Li, Lianfu1,2,4; Wang, Bing1,2,4; Luan, Zhendong1,2; Lian, Chao1,2; Yan, Jun1,2
2018-12-01
Source PublicationJOURNAL OF ASIAN EARTH SCIENCES
ISSN1367-9120
Volume168Pages:207-224
Corresponding AuthorZhang, Xin(xzhang@qdio.ac.cn)
AbstractLaser Raman spectroscopy has been successfully applied for the in situ detection of gases and liquids, but has not yet been extensively applied to rocks in the deep sea. Authigenic carbonate rocks are widely distributed at the Formosa Ridge (Site F) and the eastern region of the Pear River Mouth basin (Site P) in the South China Sea (SCS). Considerable Raman spectral information on authigenic carbonates was obtained from laboratory measurements of slices of authigenic carbonate, direct measurements in a simulation environment, and in situ measurements in the deep sea. The dominant band of authigenic carbonate from Site F ranges from 1084 to 1087 cm(-1) while the dominant band from Site P ranges from 1088 to 1091 cm(-1), suggesting that compositional differences exist between the samples from the two cold seep areas. The results of the point-counting method indicates that the aragonite content in Site F is higher than that at Site P. The wider peak width of the aragonites at Site P shows the aragonites at Site P have lower degree of crystallinity, which suggests that aragonite is likely to be destroyed when the cold seep weakens or dies. The above information obtained via the Raman spectroscopy can guide sample collection in the deep sea and can be used in conjunction with other analysis methods to better understand environmental changes or the geological processes.
KeywordLaser Raman spectroscopy Cold seep Authigenic carbonates South China Sea In situ
DOI10.1016/j.jseaes.2018.01.023
Indexed BySCI
Language英语
Funding ProjectNational Key R&D Program of China[2016YFC0302103] ; National Natural Science Foundation of China[41576104] ; Strategic Priority Research Program of the Chinese Academy of Sciences[XDA11040301] ; Strategic Priority Research Program of the Chinese Academy of Sciences[XDA11030301] ; NSFC-Shandong Joint Fund for Marine Science Research Centers[U1606401] ; Key Research Program of Frontier Sciences of the Chinese Academy of Sciences[QYZDB-SSW-DQC004] ; Taishan Scholar Project Funding[tspd20161007]
WOS Research AreaGeology
WOS SubjectGeosciences, Multidisciplinary
WOS IDWOS:000452945000021
PublisherPERGAMON-ELSEVIER SCIENCE LTD
Citation statistics
Document Type期刊论文
Identifierhttp://ir.qdio.ac.cn/handle/337002/155754
Collection海洋地质与环境重点实验室
深海极端环境与生命过程研究中心
Corresponding AuthorZhang, Xin
Affiliation1.Chinese Acad Sci, Key Lab Marine Geol & Environm, Qingdao 266071, Peoples R China
2.Chinese Acad Sci, Ctr Deep Sea Res, Inst Oceanol, Qingdao 266071, Peoples R China
3.Qingdao Natl Lab Marine Sci & Technol, Lab Marine Geol, Qingdao 266061, Peoples R China
4.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
First Author AffilicationInstitute of Oceanology, Chinese Academy of Sciences
Corresponding Author AffilicationInstitute of Oceanology, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Xi, Shichuan,Zhang, Xin,Du, Zengfeng,et al. Laser Raman detection of authigenic carbonates from cold seeps at the Formosa Ridge and east of the Pear River Mouth Basin in the South China Sea[J]. JOURNAL OF ASIAN EARTH SCIENCES,2018,168:207-224.
APA Xi, Shichuan.,Zhang, Xin.,Du, Zengfeng.,Li, Lianfu.,Wang, Bing.,...&Yan, Jun.(2018).Laser Raman detection of authigenic carbonates from cold seeps at the Formosa Ridge and east of the Pear River Mouth Basin in the South China Sea.JOURNAL OF ASIAN EARTH SCIENCES,168,207-224.
MLA Xi, Shichuan,et al."Laser Raman detection of authigenic carbonates from cold seeps at the Formosa Ridge and east of the Pear River Mouth Basin in the South China Sea".JOURNAL OF ASIAN EARTH SCIENCES 168(2018):207-224.
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