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Once the sand grain has been buried and it is no longer exposed to sunlight, the OSL signal starts to accumulate. Testing an approach to OSL dating of Late Devensian glaciofluvial sediments of the British Isles.

OSL works because all sediments have some natural radioactivity, caused by the presence of uranium, thorium and potassium isotopes in heavy minerals such as zircons.

For more information: Example Research: Students have used this lab for a variety of purposes, ranging from dating ceramics from Turkey, dating building sequences at Chavin de Huantar in Peru, to dating depositional sequences of canals in Peru.

Strata Data offers a dating service using the Optically Stimulated Luminescence (OSL) technique.

Prices in € represent the retail prices valid in Germany (unless otherwise indicated). Prices do not include postage and handling if applicable. 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.

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.

Results were compared with the development of the Elbe River, which is well-documented by historical records and maps covering the last 1,000 years.

Depending on the statistical approach it can be demonstrated that depositional ages significantly differ from the most likely depositional age.

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.

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