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Carbon isotope variations in inorganic carbon materials: Implications for mud volcanic carbon cycling in the northern Tianshan fold zone, Xinjiang, China
Chen, Zhi1; Li, Ying1; Du, Jianguo1; Zheng, Guodong3; Li, Yangyang4; Gao, Xiaoqi2; Cui, Yueju1; Zhou, Xiaocheng1; Liu, Lei1; Liu, Hong1; Xie, Chao1; Yan, Long2; Wang, Chengguo2
2018-10-01
发表期刊APPLIED GEOCHEMISTRY
ISSN0883-2927
卷号97页码:32-39
摘要Carbon isotopes of inorganic carbon-bearing materials (gaseous CO2, dissolved inorganic carbon (DIC) and solid carbonates) sampled from four mud volcanoes in the northern Tianshan fold zone were investigated to study the mud volcanic carbon cycling process. The analysed carbon isotopes showed C-13 enriched characteristics, the d13C values of CO2, DIC and solid carbonates were in the range of 10.99-32.11%, 17.02-36.22%, and -7.28-12.40%, respectively. The C-13 enrichment of CO2 could be attributed to carbon isotope fractionation during the partial reduction of CO2 by methanogenic bacteria. The positive delta C-13 values in DIC may be caused by the carbon isotope fractionation during CO2-water-rock interactions. The mixture of carbonate precipitates from DIC in the water and carbonate minerals from the host rock resulted in a relatively less positive delta C-13 value in carbonates of the mud samples. The reduction of CO2 by methanogenic bacteria could be the primary mechanism for the C-13 enrichment of inorganic carbon during the carbon cycling process in the mud volcanic systems in the northern Tianshan fold zone.
关键词Geochemistry Carbon cycling Mud volcano Northern tianshan
DOI10.1016/j.apgeochem.2018.07.018
资助者Natural Science Foundation of China ; Natural Science Foundation of China ; Basic Science Research Plan of the Institute of Earthquake Science, China Earthquake Administration ; Basic Science Research Plan of the Institute of Earthquake Science, China Earthquake Administration ; CAS Visiting Professorship for DF ; CAS Visiting Professorship for DF ; Natural Science Foundation of China ; Natural Science Foundation of China ; Basic Science Research Plan of the Institute of Earthquake Science, China Earthquake Administration ; Basic Science Research Plan of the Institute of Earthquake Science, China Earthquake Administration ; CAS Visiting Professorship for DF ; CAS Visiting Professorship for DF ; Natural Science Foundation of China ; Natural Science Foundation of China ; Basic Science Research Plan of the Institute of Earthquake Science, China Earthquake Administration ; Basic Science Research Plan of the Institute of Earthquake Science, China Earthquake Administration ; CAS Visiting Professorship for DF ; CAS Visiting Professorship for DF ; Natural Science Foundation of China ; Natural Science Foundation of China ; Basic Science Research Plan of the Institute of Earthquake Science, China Earthquake Administration ; Basic Science Research Plan of the Institute of Earthquake Science, China Earthquake Administration ; CAS Visiting Professorship for DF ; CAS Visiting Professorship for DF
关键词[WOS]SOUTHERN JUNGGAR BASIN ; LACUSTRINE CARBONATES ; CHEMICAL-COMPOSITION ; GASES ; ORIGIN ; EARTHQUAKE ; METHANE ; HELIUM ; MANTLE ; WATERS
语种英语
资助项目Natural Science Foundation of China[41573121] ; Natural Science Foundation of China[41402298] ; Natural Science Foundation of China[41303076] ; Natural Science Foundation of China[41403099] ; Natural Science Foundation of China[41273112] ; Natural Science Foundation of China[41373059] ; Basic Science Research Plan of the Institute of Earthquake Science, China Earthquake Administration[2016IES0101] ; Basic Science Research Plan of the Institute of Earthquake Science, China Earthquake Administration[2018IEF0301] ; CAS Visiting Professorship for DF[2011T1Z36]
资助者Natural Science Foundation of China ; Natural Science Foundation of China ; Basic Science Research Plan of the Institute of Earthquake Science, China Earthquake Administration ; Basic Science Research Plan of the Institute of Earthquake Science, China Earthquake Administration ; CAS Visiting Professorship for DF ; CAS Visiting Professorship for DF ; Natural Science Foundation of China ; Natural Science Foundation of China ; Basic Science Research Plan of the Institute of Earthquake Science, China Earthquake Administration ; Basic Science Research Plan of the Institute of Earthquake Science, China Earthquake Administration ; CAS Visiting Professorship for DF ; CAS Visiting Professorship for DF ; Natural Science Foundation of China ; Natural Science Foundation of China ; Basic Science Research Plan of the Institute of Earthquake Science, China Earthquake Administration ; Basic Science Research Plan of the Institute of Earthquake Science, China Earthquake Administration ; CAS Visiting Professorship for DF ; CAS Visiting Professorship for DF ; Natural Science Foundation of China ; Natural Science Foundation of China ; Basic Science Research Plan of the Institute of Earthquake Science, China Earthquake Administration ; Basic Science Research Plan of the Institute of Earthquake Science, China Earthquake Administration ; CAS Visiting Professorship for DF ; CAS Visiting Professorship for DF
WOS研究方向Geochemistry & Geophysics
WOS类目Geochemistry & Geophysics
WOS记录号WOS:000446455900004
出版者PERGAMON-ELSEVIER SCIENCE LTD
引用统计
文献类型期刊论文
条目标识符http://ir.iggcas.ac.cn/handle/132A11/89192
专题兰州油气中心
通讯作者Li, Ying
作者单位1.China Earthquake Adm, Inst Earthquake Forecasting, CEA Key Lab Earthquake Predict, 63 Fuxing Rd, Beijing 100036, Peoples R China
2.Earthquake Adm Xinjiang Uygur Autonomous Reg, Urumqi 830011, Peoples R China
3.Chinese Acad Sci, Key Lab Petr Resources, Gansu Prov Key Lab Petr Resources Res, Inst Geol & Geophys, 382 West Donggang Rd, Lanzhou 730000, Gansu, Peoples R China
4.C&C Reservoirs, 13831 Northwest Free Way, Houston, TX 77040 USA
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Chen, Zhi,Li, Ying,Du, Jianguo,et al. Carbon isotope variations in inorganic carbon materials: Implications for mud volcanic carbon cycling in the northern Tianshan fold zone, Xinjiang, China[J]. APPLIED GEOCHEMISTRY,2018,97:32-39.
APA Chen, Zhi.,Li, Ying.,Du, Jianguo.,Zheng, Guodong.,Li, Yangyang.,...&Wang, Chengguo.(2018).Carbon isotope variations in inorganic carbon materials: Implications for mud volcanic carbon cycling in the northern Tianshan fold zone, Xinjiang, China.APPLIED GEOCHEMISTRY,97,32-39.
MLA Chen, Zhi,et al."Carbon isotope variations in inorganic carbon materials: Implications for mud volcanic carbon cycling in the northern Tianshan fold zone, Xinjiang, China".APPLIED GEOCHEMISTRY 97(2018):32-39.
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