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Volume 37 Issue 2
Apr 2026
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Jing Lei, Yilin Xiao. ZirconfO2: An Excel VBA Program for Magmatic and Hydrothermal Oxygen Fugacity Calculation Using Zircon Trace Elements. Journal of Earth Science, 2026, 37(2): 457-467. doi: 10.1007/s12583-023-1975-y
Citation: Jing Lei, Yilin Xiao. ZirconfO2: An Excel VBA Program for Magmatic and Hydrothermal Oxygen Fugacity Calculation Using Zircon Trace Elements. Journal of Earth Science, 2026, 37(2): 457-467. doi: 10.1007/s12583-023-1975-y

ZirconfO2: An Excel VBA Program for Magmatic and Hydrothermal Oxygen Fugacity Calculation Using Zircon Trace Elements

doi: 10.1007/s12583-023-1975-y
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  • Corresponding author: Yilin Xiao, ylxiao@ustc.edu.cn
  • Received Date: 16 Aug 2023
  • Accepted Date: 05 Jan 2024
  • Available Online: 30 Mar 2026
  • Issue Publish Date: 30 Apr 2026
  • Oxygen fugacity of magmas and hydrothermal fluids is an important factor affecting element migration and mineralization. Zircon is an excellent monitor for oxygen fugacity of melts and fluids due to its exceptionally stable nature. However, zircon oxybarometers involve many complex algorithms leading to difficulties in use. Therefore, there is an urgent need to realize automatic calculation of various zircon oxybarometers. This study developed a Visual Basic for Applications (VBA) program, ZirconfO2, built in an ExcelTM workbook, for calculating the oxygen fugacity of magmatic and hydrothermal fluids through the trace element characteristics of zircons. The program covers almost all the algorithms of zircon oxybarometers commonly-used so far. Through the user-friendly interface, users may input data expediently, obtain multiple results of various algorithms and find the most reliable oxygen fugacity range, effectively avoiding the possible misdirection of a single algorithm.

     

  • Electronic Supplementary Materials: Supplementary materials (Tables S1–S4) are available in the online version of this article at https://doi.org/10.1007/s12583-023-1975-y.
    Conflict of Interest
    The authors declare that they have no conflict of interest.
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