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《地球科学与环境学报》[ISSN:1672-6561/CN:61-1423/P]

卷:

第32卷

期数:

2010年第02期

页码:

176

栏目:

基础地质与矿产地质

出版日期:

2010-06-20

文章信息/Info

Title:

Overview of Mass Independent Sulfur Isotope Fractionation

文章编号:

1672-6561(2010)02-0176-07

作者:

马红梅; 李院生; 姜苏; 安春雷

(中国极地研究中心 极地科学国家海洋局重点实验室,上海 200136)

Author(s):

MA Hong-mei;  LI Yuan-sheng;  JIANG Su;  AN Chun-lei

(Key Laboratory of Polar Science of State Oceanic Administration, Polar Research Institute of China, Shanghai 200136, China)

关键词:

硫同位素; 分馏效应; 来源机制; 制样技术; 地质学; 研究趋势

Keywords:

sulfur isotope;  fractionation;  origin mechanism;  preparation technology;  geology;  research trend

分类号:

P597⁺.2

DOI:

-

文献标志码:

A

摘要:

非质量硫同位素分馏效应是目前国际上最前沿的稳定同位素地球化学研究领域之一。在简要介绍非质量分馏理论的基础上,对近几年非质量硫同位素分馏效应的最新研究成果进行总结和分析。关于非质量硫同位素分馏的微观来源机制存在较多争议,有待于进一步探索;采用SF₆为工作气体是现有硫同位素高精度测定的主要制样技术;非质量硫同位素分馏效应研究为火星大气演化及火星生命痕迹探询、古代大气氧化条件、地球早期硫循环、火山活动对气候的影响等重大地质科学问题的解释开辟了一条独特的新途径。最后对非质量硫同位素分馏领域研究趋势进行了探讨。

Abstract:

The research on mass independent sulfur isotope fractionation is one of the advancing fronts in stable isotope geochemistry. Based on brief introduction of related theory, the recent progress in mass independent sulfur isotope fractionation is summarized. The micro origin mechanism of mass independent sulfur isotope fractionation is still controversial; taking SF₆ as the working gas is the main preparation technology for high precise measurement of sulfur isotope composition; the study on mass independent sulfur isotope fractionation provides new approach to explain many important geologic events, which include atmospheric evolvement and possible biological activity exploration of Mars, primordial atmospheric oxidizing condition, primordial sulfur cycle of earth, effect of volcanic activity to climate, and so on. Finally, the further research trend of mass independent sulfur isotope fractionation is discussed.

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备注/Memo

备注/Memo:

收稿日期:2009-07-08
基金项目: 国家自然科学基金项目(40806074); 国家科技支撑计划项目(2006BAB18B01)
作者简介: 马红梅(1976-),女,安徽霍山人,助理研究员,工学博士,从事冰川化学和气候记录研究。E-mail:mahongmei@pric.gov.cn

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更新日期/Last Update: 2010-06-20