An improved radiofluorescence single-aliquot regenerative dose protocol for K-feldspars

Frouin, Marine; Huot, Sébastien; Kreutzer, Sebastian; Lahaye, Christelle; Lamothe, Michel; Philippe, Anne; Mercier, Norbert

doi:10.1016/j.quageo.2016.11.004

Cited by 39 publications

(68 citation statements)

References 38 publications

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“…Before determining D e values using the IRSAR IR-RF procedure, we conducted several tests to determine the most appropriate measurement conditions. Previous studies have suggested that prolonged solar bleaching (step 2 in Table S1) is required to reset the IR-RF signal (e.g., 3 hr: Frouin et al, , 2017. For our samples, however, we found that solar simulator bleaches of >1 hr did not cause a further increase in the IR-RF signalthat is, the IR-RF source traps were fully emptied by a solar simulator bleach of 1 hr (Fig.…”

Section: Multi-grain Ir-rfmentioning

confidence: 51%

“…The weighted-mean dose recovery ratios are 1.06 ± 0.03 and 1.31 ± 0.13, respectively. These results suggest that the given dose can be recovered with sufficient accuracy using the experimental conditions in our IRSAR procedure (Table S1) We also tested the RF 70 procedure (Frouin et al, 2017) on our samples. Preliminary tests showed that IR-RF measurements made at 70°C did not improve the shapes of the decay curves for our samples, in contrast to the findings of Huot et al (2015) and Frouin et al (2017).…”

Section: Multi-grain Ir-rfmentioning

confidence: 74%

“…Radioluminescence (RL) or radiofluorescence (RF) was first proposed as a dating technique in the late 1990s (Trautmann et al, 1998(Trautmann et al, , 1999a and recently revisited by Frouin et al (2017). The method is based on the fluorescence signal emitted during irradiation (Trautmann et al, 1999b), which has been suggested to not fade (Krbetschek et al, 2000;Novothny et al, 2010).…”

Section: Ir-rf Measurement Proceduresmentioning

confidence: 99%

“…If so, then the IR-RF signal would provide a validation test of the pIRIR results. In this study, we applied the original single-aliquot IR-RF procedure of Erfurt and Krbetschek (2003) and the updated procedure of Frouin et al (2017) to multi-grain aliquots of K-feldspar from our samples.…”

Section: Ir-rf Measurement Proceduresmentioning

confidence: 99%

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pIRIR and IR-RF dating of archaeological deposits at Badahlin and Gu Myaung Caves – First luminescence ages for Myanmar

Schaarschmidt

et al. 2019

Quaternary Geochronology

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Reliable chronologies are essential for understanding the timing and routes of human dispersal through Southeast Asia, both of which remain open questions. This study provides luminescence chronologies for two archaeological sites in Myanmar-Badahlin Cave and Gu Myaung Cave-from which Palaeolithic artefacts have been recovered. We applied single-grain post-infrared infrared stimulated luminescence (pIRIR) and multi-grain infrared-radiofluorescence (IR-RF) dating methods to potassium-rich feldspar (Kfeldspar) grains extracted from the sedimentary deposits at these two sites. Luminescence characteristics of the K-feldspar extracts showed that the procedures were well suited for dating. The single-grain pIRIR ages suggest human occupation of Badahlin and Gu Myaung Caves by ~30 ka and ~25 ka, respectively, although the age estimates for Gu Myaung Cave are much older than the radiocarbon ages. The ages obtained using the IR-RF signal are even older, which we attribute to insufficient bleaching of this signal-and perhaps also the pIRIR signal-and the probable existence of a substantial residual dose at the time of sediment deposition.

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Section: Multi-grain Ir-rfmentioning

confidence: 51%

Section: Multi-grain Ir-rfmentioning

confidence: 74%

Section: Ir-rf Measurement Proceduresmentioning

confidence: 99%

Section: Ir-rf Measurement Proceduresmentioning

confidence: 99%

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pIRIR and IR-RF dating of archaeological deposits at Badahlin and Gu Myaung Caves – First luminescence ages for Myanmar

Schaarschmidt

et al. 2019

Quaternary Geochronology

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show abstract

“…Luminescent signals that have not yet been used for tephra dating include infrared radiofluorescence (IR-RF) (Trautmann et al, 1998(Trautmann et al, , 1999Erfurt and Krbetschek, 2003;Frouin et al, 2017) and infrared photoluminescence (IR-PL; Erfurt, 2003;Prasad et al, 2017) of K-feldspar. For these methods, the signal is recorded during ionizing irradiation (IR-RF) or during stimulation with IR radiation, respectively, but it is assumed that the sampled electron trap is the same (Kumar et al, 2018).…”

Section: Discussionmentioning

confidence: 99%

Direct and indirect luminescence dating of tephra: A review

Bösken

Schmidt

2019

J Quaternary Science

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In Quaternary studies, tephras are widely used as marker horizons to correlate geological deposits. Therefore, accurate and precise dating is crucial. Among radiometric dating techniques, luminescence dating has the potential to date tephra directly using glass shards, volcanic minerals that formed during the eruption or mineral fragments that originate from the shattered country rock. Moreover, sediments that frame the tephra can be dated to attain an indirect age bracket. A review of numerous luminescence dating studies highlights the method's potential and challenges. While reliable direct dating of volcanic quartz and feldspar as a component in tephra is still methodically difficult mainly due to thermal and athermal signal instability, red thermoluminescence of volcanic quartz and the far-red emission of volcanic feldspar have been used successfully. Furthermore, the dating of xenolithic quartz within tephra shows great potential. Numerous studies date tephra successfully indirectly. Dating surrounding sediments is generally straightforward as long as samples are not taken too close to the tephra horizons. Here, issues arise from the occurrence of glass shards within the sediments or unreliable determination of dose rates. This includes relocation of radioelements, mixing of tephra into the sediment and disregarding different dose rates of adjacent material.

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Thermoluminescence dating

Lian,

Schaarschmidt

2025

Encyclopedia of Quaternary Science

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An improved radiofluorescence single-aliquot regenerative dose protocol for K-feldspars

Cited by 39 publications

References 38 publications

pIRIR and IR-RF dating of archaeological deposits at Badahlin and Gu Myaung Caves – First luminescence ages for Myanmar

pIRIR and IR-RF dating of archaeological deposits at Badahlin and Gu Myaung Caves – First luminescence ages for Myanmar

Direct and indirect luminescence dating of tephra: A review

Thermoluminescence dating

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