Geochronology
Geochronology
GChron
Articles | Volume 6, issue 4
Articles | Volume 6, issue 4
https://doi.org/10.5194/gchron-6-521-2024
© Author(s) 2024. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/gchron-6-521-2024
© Author(s) 2024. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 6, issue 4
Research article
 | 
17 Oct 2024
Research article |  | 17 Oct 2024

An optimization tool for identifying multiple-diffusion domain model parameters

Andrew L. Gorin, Joshua M. Gorin, Marie Bergelin, and David L. Shuster

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Latest update: 01 Nov 2025
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Short summary
The multiple-diffusion domain (MDD) model quantifies the temperature dependence of noble gas diffusivity in minerals. However, current methods for tuning MDD parameters can yield biased results, leading to underestimates of sample temperatures through geologic time. Our "MDD Tool Kit" software optimizes all MDD parameters simultaneously, overcoming these biases. We then apply this software to a previously published 40Ar/39Ar dataset (Wong, 2023) to showcase its efficacy.
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