Geochronology
Geochronology
GChron
Articles | Volume 3, issue 1
Articles | Volume 3, issue 1
https://doi.org/10.5194/gchron-3-299-2021
© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/gchron-3-299-2021
© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 3, issue 1
Research article
 | 
21 May 2021
Research article |  | 21 May 2021

Spatially resolved infrared radiofluorescence: single-grain K-feldspar dating using CCD imaging

Dirk Mittelstraß and Sebastian Kreutzer

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Latest update: 14 May 2025
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Short summary
Our contribution enhances the infrared radiofluorescence dating technique, used to determine the last sunlight exposure of potassium feldspars in a range of about 600 to 600 000 years backwards. We recorded radiofluorescence images of fine sands and processed them with tailored open-source software to obtain ages from single grains. Finally, we tested our new method successfully on two natural sediment samples. Studies in Earth science will benefit from improved age accuracy and new insights.
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