氧同位素温度计校正

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矿物A和矿物B之间平衡的氧同位素分馏可表达成两个函数f_A和f_B之代数差,f_A和f_B是这两种矿物的简化同位素配分函数比(reduced isotopic partition function ratios)的对数。利用很宽的温度区间的实验室实验和统计热力学计算相结合的方法,获得了这些函数。对几种主要的造岩矿物,以下多项式在温度高于400K时非常接近于这些矿物的简化同位素配分函数比:方解石 f_(ca)=11.781x-0.420x~2+0.0158x~3石英 f_(Qz)=12.116x-0.370
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