Osl dating sand

Optically stimulated luminescence (OSL) dating and Infrared stimulated luminescence (IRSL) dating of sand sized (100–200 µm) grains of quartz and feldspar, respectively, were tested in the present study.

The luminescence properties of quartz were not suitable for OSL dating.

Several studies have used luminescence dating to investigate sand mobilization activity in extreme western areas and the southern margin of the Thar Desert, India.

Absolute dating methods have been developed over the last five decades (Jull and Scott, 2007).Après une présentation des principes physiques généraux, les procédures mises en œuvre aussi bien sur le terrain qu’en laboratoire sont abordées, à partir de l’exemple des analyses réalisées sur des alluvions sableuses issues d’une basse terrasse de la Moselle.La place des datations OSL dans la recherche géomorphologique en France et son potentiel pour les recherches futures sont décrits à travers une présentation de la diversité des environnements sédimentaires et des problématiques pouvant être traités.During periods of climatic deterioration the declining productivity of other agricultural land places enhanced demands on agriculturally marginal sand dunes, leading to further destabilization and the potential for enhanced sand transport events. A sand dune intercalated by soil horizons was investigated using luminescence and radiocarbon dating methods, to determine the time of aeolian activity and soil formation in the north-eastern part of the Gödöllő Hills in Hungary.Hence it underlines the increasing importance of the method to geomorphological research, especially by contributing to the development of quantitative geomorphology.

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