中国科学院机构知识库网格
Chinese Academy of Sciences Institutional Repositories Grid
Stable isotope fractionation of chlorine during the precipitation of single chloride minerals

文献类型:期刊论文

作者Luo, Chongguang1,2; Xiao, Yingkai2; Wen, Hanjie1; Ma, Haizhou2; Ma, Yunqi2; Zhang, Yanling2; Zhang, Yuxu1; He, Maoyong3
刊名APPLIED GEOCHEMISTRY
出版日期2014-08-01
卷号47页码:141-149
文献子类Article
英文摘要In order to better understand chlorine isotopic variations during brine evolution, experiments were designed to determine the changes in the chlorine isotope composition (delta Cl-37 value) during evaporations of solutions containing NaCl, KCl and MgCl2 center dot 6H(2)O at 28 +/- 2 degrees C. Three evaporation experiments were conducted in a clean environment. The precipitate and brine samples were collected during the evaporation, and the chlorine isotopic ratios of the samples were determined using an improved thermal ionisation mass spectrometry procedure based on Cs2Cl+ ion measurement. The results are as follows: the mean fractionation factors of the three solutions are alpha(Na) = 1.00055, alpha(K) = 1.00025, and alpha(Mg) = 1.00012, respectively, where alpha(Na), alpha(K) and alpha(Mg) are the fractionation factors between salts (NaCl, KCl and MgCl2 center dot 6H(2)O) and saturated solutions. The results showed that the delta Cl-37 values of precipitate and coexisting brine samples decrease during the precipitation of single chloride minerals. The residual brine was a Cl-35 reservoir for different single chloride solutions. New chlorine isotopic evolution curve during seawater evaporation were also calculated. The results indicated that during the primary precipitation stage of halite, delta Cl-37 decreased continuously, and the most important thing is that this trend continues during the final stages when Mg-salts begin to precipitate. (C) 2014 Elsevier Ltd. All rights reserved.
WOS关键词IONIZATION MASS-SPECTROMETRY ; QAIDAM BASIN ; FLUID INCLUSIONS ; CL ISOTOPES ; SALT LAKES ; EVAPORITES ; BRINE ; OCEAN ; CONSTRAINTS ; DELTA-CL-37
WOS研究方向Geochemistry & Geophysics
语种英语
WOS记录号WOS:000341340200014
源URL[http://ir.isl.ac.cn/handle/363002/5718]  
专题青海盐湖研究所_青海盐湖研究所知识仓储
中国科学院青海盐湖研究所
作者单位1.Chinese Acad Sci, Inst Geochem, State Key Lab Ore Deposit Geochem, Guiyang 550002, Peoples R China
2.Chinese Acad Sci, Qinghai Inst Salt Lakes, CAS Key Lab Salt Lake Resources & Chem, Xining 810008, Peoples R China
3.Chinese Acad Sci, Inst Earth Environm, State Key Lab Loess & Quaternaly Geol, Xian 710075, Peoples R China
推荐引用方式
GB/T 7714
Luo, Chongguang,Xiao, Yingkai,Wen, Hanjie,et al. Stable isotope fractionation of chlorine during the precipitation of single chloride minerals[J]. APPLIED GEOCHEMISTRY,2014,47:141-149.
APA Luo, Chongguang.,Xiao, Yingkai.,Wen, Hanjie.,Ma, Haizhou.,Ma, Yunqi.,...&He, Maoyong.(2014).Stable isotope fractionation of chlorine during the precipitation of single chloride minerals.APPLIED GEOCHEMISTRY,47,141-149.
MLA Luo, Chongguang,et al."Stable isotope fractionation of chlorine during the precipitation of single chloride minerals".APPLIED GEOCHEMISTRY 47(2014):141-149.

入库方式: OAI收割

来源:青海盐湖研究所

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