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稳定氯同位素及其应用地球化学研究
引用本文:许建新,马海州,肖应凯,谭红兵,李廷伟,孙志国,樊启顺.稳定氯同位素及其应用地球化学研究[J].盐湖研究,2008,16(1):51-59.
作者姓名:许建新  马海州  肖应凯  谭红兵  李廷伟  孙志国  樊启顺
作者单位:1. 中国科学院青海盐湖研究所,青海,西宁,810008;中国科学院研究生院,北京,100049
2. 中国科学院青海盐湖研究所,青海,西宁,810008
3. 中国科学院青海盐湖研究所,青海,西宁,810008;中国科学院地球化学研究所环境地球化学国家重点实验室,贵州,贵阳,550002
摘    要:稳定氯同位素的分馏作用有限,同位素比值变化小,测定精度要求高。在很长一段时期内,人们一直未能发现自然界稳定氯同位素组成的变化。随着测定技术的不断发展,氯同位素的分馏效应逐渐得到证实,并引起了人们的广泛关注。国内外学者已将氯同位素应用于海水、地表河流水、地下水、盐湖、古代蒸发岩(盐)和热液矿床等方面的地球化学研究中,对水体演化和矿床成因进行了较为深入的探讨和分析,并取得了一定的研究进展。这些研究工作充分表明氯同位素在水体演化和成矿理论研究以及矿产勘查等方面有着独特优势,尤其在我国开展蒸发岩(盐)氯同位素地球化学研究具有很大的发展潜力和广阔的应用前景。但氯同位素的应用地球化学研究目前尚处于发展时期,更深入的研究还有待于测定方法的进一步完善以及对不同地球化学体系氯同位素的系统测定和研究。

关 键 词:稳定氯同位素  测定方法  分馏机理  应用地球化学
文章编号:1008-858X(2008)01-0051-09
收稿时间:2007-09-06
修稿时间:2007年9月6日

Stable Chlorine Isotope and Its Research on Applied Geochemistry
XU Jian-xin,MA Hai-zhou,XIAO Ying-kai,TAN Hong-bing,LI Ting-wei,SUN Zhi-guo,FAN Qi-shun.Stable Chlorine Isotope and Its Research on Applied Geochemistry[J].Journal of Salt Lake Research,2008,16(1):51-59.
Authors:XU Jian-xin  MA Hai-zhou  XIAO Ying-kai  TAN Hong-bing  LI Ting-wei  SUN Zhi-guo  FAN Qi-shun
Abstract:The fractionation of stable chlorine isotope is very limited with narrow variation of isotope ratio in nature.Because of low preciseness in determination of the isotopic composition of chlorine,the variation of the stable chlorine isotopic composition had never been found for a long time in the past.With the development of determination technique,the fractionation of the stable chlorine isotope was verified,attracting many people's attention.The slable chlorine isotope has been used in the geochemical study of sea water,river water,underground water,salt lake,ancient evaporate and some hydrothermal deposits by the researchers at home and abroad.The evolution of water and the genesis of the deposits have been discussed and analyzed thoroughly,and some progressions have been made.All of these studies have proved that the stable chlorine isotope has special superiority in the study of the evolution of water,metallogenic theory and mineral exploration.Especially,it has great development potential and vast application prospect in the geochemical study of stable chlorine isotope of evaporates in China.But,the application study of stable chlorine isotope in geochemistry is still in its infancy at present,and further study is dependent upon the improvement of the determination method and the systematic determination and study on the chlorine isotope in different geochemical systems.
Keywords:Stable chlorine isotope  Determination method  Fractionation mechanism  Applied geochemistry
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