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邱华宁, 胡世玲, 许景荣, 蒲志平, 张永良. 激光探针质谱及单颗粒矿物^40Ar/^39Ar法年龄的测定[J]. 岩矿测试, 1997, (1): 1-6.
引用本文: 邱华宁, 胡世玲, 许景荣, 蒲志平, 张永良. 激光探针质谱及单颗粒矿物^40Ar/^39Ar法年龄的测定[J]. 岩矿测试, 1997, (1): 1-6.
40 Ar/ 39 Ar Dating on Single Grain of Mineral by Continuous Laser Microprobe Mass Spectrometry[J]. Rock and Mineral Analysis, 1997, (1): 1-6.
Citation: 40 Ar/ 39 Ar Dating on Single Grain of Mineral by Continuous Laser Microprobe Mass Spectrometry[J]. Rock and Mineral Analysis, 1997, (1): 1-6.

激光探针质谱及单颗粒矿物^40Ar/^39Ar法年龄的测定

40 Ar/ 39 Ar Dating on Single Grain of Mineral by Continuous Laser Microprobe Mass Spectrometry

  • 摘要: 将掺钕的钇铝榴石(Nd:YAG)激光器与高精密MM1200质谱计、电子倍增器联网,应用连续激光质谱对单颗粒矿物、光片样品进行微区40Ar/39Ar测年、坪年龄和等时线年龄研究。在光片上测定南极乔治王岛北海岸玄武岩等时线年龄(52.38±1.05)Ma和贵州绿豆岩年龄(239.16±14.13)Ma,两者与实际地质背景吻合。对两个中生代和太古代单颗粒黑云母进行连续激光质谱阶段升温40Ar/39Ar坪年龄谱测定,获得与常规法相一致的坪年龄谱

     

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