Geochronology
Geochronology
GChron
Articles | Volume 7, issue 4
Articles | Volume 7, issue 4
https://doi.org/10.5194/gchron-7-571-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/gchron-7-571-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 7, issue 4
Short communication/technical note
 | 
03 Nov 2025
Short communication/technical note |  | 03 Nov 2025

Technical note: Improved calculation of volume, FT correction, and other derived data for polished zircon (U-Th)/He thermochronology

Barra A. Peak

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Short summary
Conventional (U-Th)/He thermochronology requires accurate calculation of mineral grain volume, often based on approximations to idealized geometries. However, there are many instances where knowingly altering the geometry by polishing grains for additional in situ data collection is desirable. This contribution provides a new method to calculate volume and other data for polished grains used in zircon (U-Th)/He thermochronology analysis using no-added-cost modifications of existing workflows.
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