Articles | Volume 3, issue 1
https://doi.org/10.5194/gchron-3-299-2021
https://doi.org/10.5194/gchron-3-299-2021
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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Cited articles

Baril, M. R.: CCD imaging of the infra-red stimulated luminescence of feldspars, Radiat. Meas., 38, 81–86, https://doi.org/10.1016/j.radmeas.2003.08.005, 2004. a
Bortolot, V. J.: A new modular high capacity OSL reader system, Radiat. Meas., 32, 751–757, https://doi.org/10.1016/S1350-4487(00)00038-X, 2000. a
Bøtter-Jensen, L., Bulur, E., Duller, G. A. T., and Murray, A. S.: Advances in luminescence instrument systems, Radiat. Meas., 32, 523–528, https://doi.org/10.1016/S1350-4487(00)00039-1, 2000. a
Bøtter-Jensen, L., Andersen, C. E., Duller, G. A. T., and Murray, A. S.: Developments in radiation, stimulation and oberservation facilities in luminescence measurements, Radiat. Meas., 37, 535–541, https://doi.org/10.1016/S1350-4487(03)00020-9, 2003. a
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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.