IOCAS-IR  > 海洋地质与环境重点实验室
Biogeochemical implications of chemosynthetic communities on the evolution of authigenic carbonates
Xi, Shichuan1,2,4,5; Zhang, Xin1,2,3,4,5; Luan, Zhendong1,2,4,5; Du, Zengfeng1,2,5; Li, Lianfu1,2,4,5; Wang, Bing1,2,5; Lian, Chao1,2,5; Yan, Jun1,2,4,5
2020-08-01
Source PublicationDEEP-SEA RESEARCH PART I-OCEANOGRAPHIC RESEARCH PAPERS
ISSN0967-0637
Volume162Pages:12
AbstractHydrocarbon seepage in cold seeps provides an appropriate environment for chemosynthetic communities to arise and for authigenic carbonates to form. To study the relationships between the chemosynthetic communities and underlying authigenic carbonates, extensive in situ Raman measurements were conducted on the fluids, chemosynthetic communities, and authigenic carbonates found at the Formosa Ridge (Site F) in the South China Sea. Interestingly, the in situ Raman spectra of the authigenic carbonates indicated the highest crystallinity in the fauna-rich area. Scanning electron microscopy and X-ray diffraction analyses of the samples supported the conclusion that the aragonite in the fauna-rich area is more regular than that in the desert area. The in situ Raman spectra suggested that the fluids with relatively low salinity and low sulfate concentrations in the bottom of the chemosynthetic communities can buffer the erosion of underlying authigenic carbonates via the salt effect. In addition, the aragonite content decreased, while the quartz content increased from the fauna-rich area to the desert area (i.e., with increasing distance from the seepage vent). Authigenic aragonite exhibited a negative correlation with terrigenous quartz in the cold seep. The results indicate that changes in chemosynthetic communities have biogeochemical implications on the evolution of authigenic carbonates. Finally, we built a distribution model of the present chemosynthetic communities and underlying authigenic carbonates at Site F, based on systematic in situ Raman measurements and laboratory analyses. This study provides new insights into the evolution of authigenic carbonates based on differences in the spatial distribution of chemosynthetic communities in the seepage system.
KeywordIn situ Raman spectra Authigenic carbonates Chemosynthetic communities Salinity Evolution
DOI10.1016/j.dsr.2020.103305
Indexed BySCI
Language英语
Funding ProjectStrategic Priority Research Program, CAS[XDA19060402] ; Marine Geology, Qingdao Pilot National Laboratory for Marine Science and Technology[MGQNLM-TD201904] ; National Natural Science Foundation of China[41822604] ; Key Research Program of Frontier Sciences, CAS[QYZDB-SSWDQC004] ; National Key R&D Program of China[2016YFC0302103] ; Open Research Project of National Major Science & Technology Infrastructure (RV KEXUE)[NMSTI-KEXUE2017K01] ; Young Taishan Scholars Program[tsqn201909158]
WOS Research AreaOceanography
WOS SubjectOceanography
WOS IDWOS:000551473200003
PublisherPERGAMON-ELSEVIER SCIENCE LTD
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Version出版稿
Identifierhttp://ir.qdio.ac.cn/handle/337002/168057
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, Inst Oceanol, Qingdao 266071, Peoples R China
2.Chinese Acad Sci, Ctr Deep Sea Res, Inst Oceanol, Qingdao 266071, Peoples R China
3.Pilot Lab Marine Sci & Technol Qingdao, Lab Marine Geol, Qingdao 266061, Peoples R China
4.Univ Chinese Acad Sci, Beijing 101408, Peoples R China
5.Chinese Acad Sci, Ctr Ocean Megasci, Qingdao 266071, Peoples R China
First Author AffilicationInstitute of Oceanology, Chinese Academy of Sciences;  Center for Ocean Mega-Science, Chinese Academy of Sciences
Corresponding Author AffilicationInstitute of Oceanology, Chinese Academy of Sciences;  Center for Ocean Mega-Science, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Xi, Shichuan,Zhang, Xin,Luan, Zhendong,et al. Biogeochemical implications of chemosynthetic communities on the evolution of authigenic carbonates[J]. DEEP-SEA RESEARCH PART I-OCEANOGRAPHIC RESEARCH PAPERS,2020,162:12.
APA Xi, Shichuan.,Zhang, Xin.,Luan, Zhendong.,Du, Zengfeng.,Li, Lianfu.,...&Yan, Jun.(2020).Biogeochemical implications of chemosynthetic communities on the evolution of authigenic carbonates.DEEP-SEA RESEARCH PART I-OCEANOGRAPHIC RESEARCH PAPERS,162,12.
MLA Xi, Shichuan,et al."Biogeochemical implications of chemosynthetic communities on the evolution of authigenic carbonates".DEEP-SEA RESEARCH PART I-OCEANOGRAPHIC RESEARCH PAPERS 162(2020):12.
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