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The results of the formative element of humans on loess landscapes from the Wetterau can also be taken as representative for around 9400km2 of dry loess landscapes in Central Europe. Luminescence dating of quartz using an improved single-aliquot regenerative-dose protocol. Dividing the equivalent dose by the dose rate yields time.
& Weinberger, R. Possible resetting of quartz OSL signals during earthquakes — evidence MamFlirt username from late Pleistocene injection dikes, Dead Sea basin, Israel. 2, 272–277 . Guérin, G.
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Murray, A.S. And Wintle, A.G., 2000, Luminescence dating of quartz using an improved single-aliquot regenerative-dose protocol. Radiation Measurements, 32, 57-73.
& Lai, Z. P. A comparison of natural- and laboratory-generated dose response curves for quartz optically stimulated luminescence signals from Chinese loess. 47, 1045–1052 . Single Aliquot Regeneration protocol has been routinely used to estimate palaeodose for sediment samples. It was suggested that if not corrected, this change of OSL sensitivity would lead to substantive systematic offsets in ages based on the conventional SAR protocol. Luminescence surface exposure dating is a newly developed geochronological technique that allows the age of geological or archaeological rock surfaces to be accurately constrained. Addressing these challenges is important for further development of the luminescence surface exposure dating technique.
2, 57–64 . On the importance of grain size in luminescence dating using quartz. 106, 464–471 . Medialdea, A., Thomsen, K. J., Murray, A. S. & Benito, G. Reliability of equivalent-dose determination and age-models in the OSL dating of historical and modern palaeoflood sediments.
On the other hand, the fading rate of the infrared stimulated luminescence signals was uniform and small (5–7% per decade). It was also found that the fading rate was larger in the samples containing olivine, pyroxene and plagioclase phenocrysts and smaller in glassy samples. Introduction The increased use of the single aliquot regenerative dose protocol and its current acceptance as the preferred protocol for dating quartz calls for efficient methods for purifying quartz. Common components of the sediment that need to be removed are salts, clays, carbonates, organic matter, heavy minerals and feldspars.
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& Jain, M. The dose dependency of the over-dispersion of quartz OSL single grain dose distributions. 47, 732–739 . Gliganic, L. A., Cohen, T. J., Meyer, M. & Molenaar, A. Variations in luminescence properties of quartz and feldspar from modern fluvial sediments in three rivers.
Find out more about luminescence dating, OSL vs IRSL, small-aliquot and single-grain methods. Olley, J. M., Murray, A. S. & Roberts, R. G. The effects of disequilibria in the uranium and thorium decay chains on burial dose rates in fluvial sediments. 15, 751–760 . This work presents an overview of the degree of radionuclide disequilibria to be found in modern fluvial sediments, and the significance of these disequilibria on dose rates.