黑云母温度计能否用于估计花岗质侵入岩的结晶温度?
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P588.12+1

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中国地质调查局地质调查项目(D1912)


Can biotite geothermometer be used to estimate the crystallization temperature of granitic intrusive rocks?
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    摘要:

    为了探讨黑云母温度计是否适用于估计花岗质侵入岩的结晶温度,汇编了国内外典型花岗质侵入体的岩石化学和矿物化学数据,利用Henry等(2005)的黑云母Ti饱和温度计、Li 和Zhang (2022)的黑云母全组分温度计估算了岩浆温度,并与Shao等(2020)的锆饱和温度计估算结果进行了对比。结果表明,黑云母Ti饱和温度计估算的温度比锆饱和温度计和黑云母全组分温度计低50~200℃,因此认为黑云母Ti饱和温度计并不适用于估算花岗质侵入岩的结晶温度,而黑云母全组分温度计可以复现S型和I型花岗岩的锆饱和温度计结果。

    Abstract:

    In order to investigate whether the biotite thermometer is suitable for estimating crystallization temperature of granite intrusive rocks, a compilation of the petrochemistry and mineral chemistry data of typical granitic intrusive rocks at domestic and abroad was made. The magma temperature was estimated using Henry et al.(2005) biotite Ti saturation geothermometer and the Li and Zhang (2022) version of the biotite geothermometer, and the results were compared with those estimated by the zircon saturation geothermometer in Shao et al.(2020). The results show that the temperatures estimated by the biotite Ti saturation geothermometer are 50~200℃ lower than those estimated by the zircon saturation geothermometer and the 2022 version of the biotite geothermometer. The biotite Ti saturation thermometer is not suitable for estimating the crystallization temperature of granitic intrusive rocks, while the Li and Zhang (2022) version of the biotite thermometer can reproduce the results of the zircon saturation thermometer for S-type and I-type granites.

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徐鸿雪,汪洋,2024,黑云母温度计能否用于估计花岗质侵入岩的结晶温度?[J].岩石矿物学杂志,43(1):37~46. XU Hong-xue, WANG Yang,2024,Can biotite geothermometer be used to estimate the crystallization temperature of granitic intrusive rocks?[J]. Acta Petrologica et Mineralogica,43(1):37~46.

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  • 收稿日期:2023-07-05
  • 最后修改日期:2023-11-09
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  • 在线发布日期: 2024-01-18
  • 出版日期: 2024-01-25