地质样品的Re-Os同位素分析技术及存在的问题
Advances and Problems of Re-Os Isotope Analysis of Geological Samples
查看参考文献59篇
文摘
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过去20年间,Re-Os同位素体系分析测试技术的发展使其成为同位素地质年代学中最重要的定年技术之一。与其他亲石性同位素体系相比,亲铁、亲硫和亲有机性的Re-Os同位素体系可以直接用于金属硫化物、超基性岩和富含有机质样品的定年。虽然Re-Os同位素在定年和示踪中具有非常重要的应用前景,但是其分析测试技术还面临困难和问题。本文从地质样品Re-Os同位素分析的流程空白、样品溶解技术和基性岩石参考标样这几方面评述了该分析技术方法的进展和存在的问题。 |
其他语种文摘
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Over the past twenty years,with the development of analytical technology,Re-Os isotopic system has become one of the most powerful tools in isotope geochemistry. Compared with other traditional lithophile isotopic systems,both Re and Os are siderophile,chalcophile and organophilic elements. Therefore,Re-Os isotopic system can be directly used in dating metal sulphides,ultramafic rocks,and organic-rich rocks. Although wide applications of Re-Os isotope in dating and tracing,there also have some difficulties in Re-Os isotope analysis. This study here has a brief review and comparison of these issues in terms of the total procedural blank,sample digestion techniques and mafic rock reference materials. |
来源
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矿物岩石地球化学通报
,2018,37(2):242-249 【核心库】
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DOI
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10.19658/j.issn.1007-2802.2018.37.026
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关键词
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Re-Os同位素
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分析测试技术
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流程空白
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溶样技术
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参考标样
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地址
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1.
中国科学院广州地球化学研究所, 同位素地球化学国家重点实验室, 广州, 510640
2.
中国科学院大学, 北京, 100049
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语种
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中文 |
文献类型
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研究性论文 |
ISSN
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1007-2802 |
学科
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地质学 |
基金
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国家自然科学基金项目
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文献收藏号
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CSCD:6227322
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59
共3页
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