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Optically stimulated luminescence dating of Quaternary sediments; a comparison using different equivalent dose determination methods



Optically stimulated luminescence dating of Quaternary sediments; a comparison using different equivalent dose determination methods



Diqiu Huaxue = Geochimica 28(5): 443-452



A variety of methods for calculating the Deq of a sample were introduced by Wintle and Huntley in 1980. These methods have been developed and subsequently refined since then, and can be divided into five approaches. It is indicated that the regeneration and Australian slide methods have been shown to yield the best results in general. The partial bleach technique seems to be reliable with a rather large error. The additive dose and total bleach methods seem to be unreliable and usually yield misleading ages. The results of IRSL and GLSL dating are consistent. This may indicate that the results of OSL dating can be self-tested using different stimulated wavelengths for the same sample.

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