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地球学报  2006 

陆壳岩石化学结构建立方法探讨

DOI: 10.3975/cagsb.2006.03.11

Keywords: 实验岩石,回归方程,陆壳岩石化学结构

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Abstract:

根据既有岩石化学成分又有地震波速的实验岩石数据,讨论了影响岩石波速的主要因素和不同实验条件下地震波速与岩石成分之间的线性关系差异。选择常温、600MPa测定的数据建立了地震波速Vp与SiO2、石英、石英长石、岩石分异指数DI的回归方程,并讨论了回归方程的适用范围。对这些方程进行验证表明它们能够用于地震波速推断深部物质成分。

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