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Study Examines Impact of Internal Dose Rates on Luminescence Dating Results in Quartz Grains with uDOSE System

A new study (Szymak et al., 2022) has examined the impact of internal alpha and beta dose rates in quartz grains obtained from sandy sediments on the results of luminescence dating. The internal dose rates, which range from 0.01-0.21 Gy/ky, play a non-negligible role in determining the accuracy of luminescence dating results, especially when the external dose rates are low.

To measure the internal and external dose rates in quartz grains, the researchers used the innovative uDOSE system. The findings of the study showed that ignoring the contribution of the internal dose rates could result in artificially older luminescence ages.

Szymak, Agnieszka, Moska, Piotr, Poręba, Grzegorz, Tudyka, Konrad and Adamiec, Grzegorz. „The Internal Dose Rate in Quartz Grains: Experimental Data and Consequences for Luminescence Dating” Geochronometria, vol.49, no.1, 2022, pp.9-17. https://doi.org/10.2478/geochr-2022-0002