Optically stimulated luminescence dating of fluvial deposits

A significant limitation, however, has been that conventional techniques of sampling and dose rate estimation are suitable only for thick (60 cm) layers consisting of sand size or finer grains.

Application of OSL dating to deposits lacking such layers remains a significant challenge.

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In the last few decades optically stimulated luminescence (OSL) dating has become an important tool in geochronological studies. dating the depositional age of sediments directly, can be impaired by incomplete bleaching of grains.

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Unfortunately, glacial sediments are typically difficult to date.

Most methods rely on indirect methods of dating subglacial tills, such as dating organic remains above and below glacial sediments.

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