Luminescence dating of glacial and associated sediments: review, recommendations and future directions

  • Fuchs M
  • Owen L
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Abstract

Fuchs, M. & Owen, L. A. 2008 {(November):} Luminescence dating of
glacial and associated sediments: review, recommendations and future
directions. Boreas, Vol. 37, pp. 6362013659. 10.1111/j.1502-3885.2008.00052.x.
{ISSN} 0300-9483. Dating glacial and associated sediments is essential
to provide a temporal framework for accurate reconstructions of past
climatic conditions and for helping to determine the nature and magnitude
of glaciation for landscape evolution studies. There are few widely
applicable, accurate and precise methods available to date Quaternary
landforms and sediments, despite the numerous numerical dating methods
that are currently available. Furthermore, there are few methods
that can be utilized for the whole of the late Quaternary (c. 125
kyr ago to present). Recent developments in luminescence dating,
however, are providing opportunities to date a broad range of late
Quaternary glacial and associated landform sediments. The application
of luminescence methods requires an understanding of the nature of
glacial and associated environments to select the most appropriate
sediment samples for dating. Problems associated with luminescence
dating of glacial sediments include insufficient bleaching, low sensitivity
of quartz, and variable dose rates during the history of the sediment
due to changing water content or nuclide leaching. These problems
can be overcome by careful sampling and descriptions of the sampling
site, testing for insufficient bleaching and modelling dose rate
variability.

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Authors

  • Markus Fuchs

  • Lewis A. Owen

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