Articles | Volume 8, issue 3
https://doi.org/10.5194/gchron-8-475-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Special issue:
https://doi.org/10.5194/gchron-8-475-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Short communication/technical note
| 
27 Aug 2026
Short communication/technical note |
| 27 Aug 2026
| 27 Aug 2026
Technical note: Disentangling pre- and post-depositional thermal histories in partially reset samples
Birk P. Härtel
CORRESPONDING AUTHOR
Department of Earth, Energy, and Environment, University of Calgary, Calgary, AB, T2N 1N4, Canada
Eva Enkelmann
Department of Earth, Energy, and Environment, University of Calgary, Calgary, AB, T2N 1N4, Canada
Akeek Maitra
Department of Earth, Energy, and Environment, University of Calgary, Calgary, AB, T2N 1N4, Canada
Related authors
Raymond Jonckheere, Florian Trilsch, Birk Härtel, and Thorsten Nagel
EGUsphere, https://doi.org/10.5194/egusphere-2026-1924, https://doi.org/10.5194/egusphere-2026-1924, 2026
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Fission-track modelling rest on empirical equations fitted to lab datasets. It is therefore doubtful that a specific set applies to all samples, protocols, and analysts, while there also remain unresolved issues. We propose a different take on the data. Our aim is not to improve existing equations, but to construct the basis of an alternative approach, as a reference for interrogating current assumptions, and perhaps as the beginnings of a model that can connect with the latent-track properties.
Birk Härtel and Eva Enkelmann
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We present a new data analysis workflow for thermochronological data based on plots of radiogenic daughter vs. radioactive parent concentration. The daughter–parent relationship helps to identify the sources of age variation. Our workflow classifies the daughter–parent relationship and provides further suggestions, e.g., if a dataset can be described by a sample age and which type of sample age to report. We also introduce Incaplot, which is software for creating daughter–parent plots.
Raymond Jonckheere, Florian Trilsch, Birk Härtel, and Thorsten Nagel
EGUsphere, https://doi.org/10.5194/egusphere-2026-1924, https://doi.org/10.5194/egusphere-2026-1924, 2026
Short summary
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Fission-track modelling rest on empirical equations fitted to lab datasets. It is therefore doubtful that a specific set applies to all samples, protocols, and analysts, while there also remain unresolved issues. We propose a different take on the data. Our aim is not to improve existing equations, but to construct the basis of an alternative approach, as a reference for interrogating current assumptions, and perhaps as the beginnings of a model that can connect with the latent-track properties.
Tobias Stephan, Taís Fontes Pinto, and Eva Enkelmann
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Preprint archived
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Geologists can model how rocks cooled over time to reconstruct Earth’s history, but these models can produce many different solutions. We developed a statistical method that groups similar cooling histories and reveals the main patterns in the results. By comparing and clustering modeled histories, the method objectively identifies consistent solutions enabling reproducible analysis of complex datasets. The method is implemented in the freely available software thermoclustr written in R.
Birk Härtel and Eva Enkelmann
Geochronology, 6, 429–448, https://doi.org/10.5194/gchron-6-429-2024, https://doi.org/10.5194/gchron-6-429-2024, 2024
Short summary
Short summary
We present a new data analysis workflow for thermochronological data based on plots of radiogenic daughter vs. radioactive parent concentration. The daughter–parent relationship helps to identify the sources of age variation. Our workflow classifies the daughter–parent relationship and provides further suggestions, e.g., if a dataset can be described by a sample age and which type of sample age to report. We also introduce Incaplot, which is software for creating daughter–parent plots.
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Short summary
We present a new strategy for extracting information on the thermal history of sedimentary samples that lost part of their radiogenic helium during sediment burial. It uses combined U/Pb and (U-Th)/He dating of zircon to find grains that formed just before deposition and use them to model the basin thermal history. The model also estimates the time when the source rock of each grain cooled. We discuss the advantages and limitations of our approach and its application to other methods.
We present a new strategy for extracting information on the thermal history of sedimentary...
Special issue