关于硫化物Re -Os同位素定年的一些思考
Some Thoughts on Sulfide Re-Os Isotope Dating
查看参考文献73篇
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文摘
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随着Re-Os同位素分析技术的不断改进和完善,低Re含量的普通硫化物(黄铁矿、毒砂、黄铜矿等)广泛应用于各类金属矿床的年代学研究。但是由于对不同成因硫化物Re-Os同位素体系及定年体系基本条件认识不足,常常导致无地质意义的年龄或者等时线年龄构建的失败。本文对这些问题进行了梳理和分析,总结了硫化物Re-Os同位素定年需要注意的问题,提出了未来发展趋势。 |
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其他语种文摘
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With the constant development and improvement of analytical techniques in Re-Os isotopes,common sulfides with low Re contents such as pyrite,arsenopyrite and chalcopyrite are widely used to constrain the timing of metallogeny of various deposits. However,insufficient understanding on the Re-Os isotope systems of different sulfides and the basic prerequisites for dating has commonly resulted in that either the obtained ages are geological meaningless or the isochron ages were failure to be constructed. This paper has reviewed these issues and proposed some items needed to be paid attention and the future development of the sulfide Re-Os isotope dating. |
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来源
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矿物岩石地球化学通报
,2016,35(3):432-440 【核心库】
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DOI
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10.3969/j.issn.1007-2802.2016.03.004
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关键词
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硫化物
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Re-Os同位素
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研究现状
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存在问题
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发展趋势
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地址
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中国科学院地球化学研究所, 矿床地球化学国家重点实验室, 贵阳, 550081
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语种
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中文 |
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文献类型
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研究性论文 |
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ISSN
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1007-2802 |
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学科
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地质学 |
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基金
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国家973计划
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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:5746445
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73
共4页
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