Geochronology
Geochronology
GChron
Articles | Volume 3, issue 2
Articles | Volume 3, issue 2
https://doi.org/10.5194/gchron-3-433-2021
© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/gchron-3-433-2021
© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 3, issue 2
Research article
 | 
23 Aug 2021
Research article |  | 23 Aug 2021

Confined fission-track revelation in apatite: how it works and why it matters

Richard A. Ketcham and Murat T. Tamer

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Short summary
We introduce a new model of how etching reveals damage tracks left by fissioning atoms, which accounts for variable along-track etching rates. This complete characterization explains many observations, including community difficulty in obtaining consistent track length measurements. It also provides a quantitative basis for optimizing etching procedures, discerning more about how radiation damage anneals, and ultimately deriving more reproducible fission-track ages and thermal histories.
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