Photoluminescence dating

Posted by / 03-Oct-2017 06:31

Photoluminescence dating

The technique can be applied to material from about 100 to several hundred thousand years old. The Luminescence Dating Facility at Victoria University is the only one of its kind in New Zealand and is led by Prof Rewi Newnham and Ningsheng Wang. Our luminescence dating service is available for researchers in New Zealand and overseas. We use optically stimulated luminescence (OSL) to date aeolian, fluvial, lacustrine and shallow water marine sediments, as well as most quartz or feldspar-bearing objects, which have seen sunlight or intense heat during deposition. Luminescence dating is the most promising method for detrital sediments which contain no organic matter or who are older than 35 - 40 ka, maximum 14C.

The laboratory is set up in dark rooms with extremely subdued orange illumination.

In addition, the dating of pottery and prehistoric rocks heated in homes is the essence of the first efforts in thermoluminescence dating.

The technique used to date all heated prehistoric or historic period materials.

The approach used in the laboratory to solve these problems is strongly oriented towards the analysis of individual grains.

Luminescence dating is a technique used to date Quaternary sediments and for determining when ancient materials such as pottery, ceramics, bricks or tiles were last heated.

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Introduction The laboratory has been actively involved in the development and application of luminescence dating.

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