Luminescence dating of quaternary sediments recent advances

Published: 30.05.2018

Where many grains are measured simultaneously, this will overestimate the depositional age. Sand-sized quartz from beach and dune deposits, and silt-sized feldspar from peats, offer potential.

View all citations. For Quaternary sediments the event being dated is the last exposure of the grains to daylight, and an implicit assumption is that this exposure was sufficient to remove any pre-existing signal. Keywords optically stimulated luminescence; OSL; single grains; coastal dunes; colluvium; Jinmium; Blombos.

Where all the grains in a sample were not exposed to sufficient daylight to reset their luminescence signal, the apparent age will be an average value of the luminescence from all the grains measured at one time. User Username Password Remember me. For Quaternary sediments the event being dated is the last exposure of the grains to daylight, and an implicit assumption is that this exposure was sufficient to remove any pre-existing signal. Email this article Login required.

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Number of times cited: Where all the grains in a sample were not exposed to sufficient daylight to reset their luminescence signal, the apparent age will be an average value of the luminescence from all the grains measured at one time. Keywords optically stimulated luminescence; OSL; single grains; coastal dunes; colluvium; Jinmium; Blombos. By continuing to browse this site you agree to us using cookies as described in About Cookies.

There have been a series of technological and methodological developments in the past yr that make it possible to undertake many replicate measurements of the luminescence from a single sample and hence to explicitly test whether for a specific sample all the grains had their luminescence signal reset at deposition.

Ralph , Geoff A. Larkin , Stephen Tooth , Timothy J. For Quaternary sediments the event being dated is the last exposure of the grains to daylight, and an implicit assumption is that this exposure was sufficient to remove any pre-existing signal. Articles related to the one you are viewing Please enable Javascript to view the related content of this article.

    1. Sanja_Klimov - 31.05.2018 in 17:11

      Where all the grains in a sample were not exposed to sufficient daylight to reset their luminescence signal, the apparent age will be an average value of the luminescence from all the grains measured at one time.

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