Can biotite geothermometer be used to estimate the crystallization temperature of granitic intrusive rocks?
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P588.12+1

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    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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History
  • Received:July 05,2023
  • Revised:November 09,2023
  • Adopted:
  • Online: January 18,2024
  • Published: January 25,2024