Pulsed IRSL: A stable and fast bleaching luminescence signal from feldspar for dating Quaternary sediments
نویسندگان
چکیده
منابع مشابه
Isochron dating of sediments using luminescence of K-feldspar grains
[1] A new method for dating well-bleached sediments is presented, with results for thirteen samples from China. The method uses an isochron constructed from the measurement of natural radiation doses received by potassium-feldspar grains in a range of grain sizes using the infrared stimulated luminescence (IRSL) signal. The age of deposition of the sediment is calculated from this isochron and ...
متن کاملReply to comment by Huntley on "Isochron dating of sediments using luminescence of K-feldspar grains"
In our isochron studies using grains of different sizes, we observed that the IRSL ages obtained from K‐feldspar without correction for fading show an increase with increasing grain size [Li et al., 2007, 2008]. Huntley [2011a] argued that this result was caused by different fading rates for grains of different sizes or by different source materials for different sizes of grains. We replied to ...
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Introduction Conclusions References
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1 Illinois State Geological Survey, University of Illinois at Urbana-Champaign, 615 East Peabody Drive, Champaign, Illinois, USA. 2 Département des sciences de la Terre et de l’Atmosphère, Université du Québec à Montréal, Montréal, Québec, Canada. 3 Prairie Research Institute, University of Illinois at Urbana-Champaign, 615 East Peabody Drive, Champaign, Illinois, USA. * Corresponding author: c...
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In the present work, systematic dating by luminescence methods has been done on 50 Quaternary geological samples within the study area of São Paulo State, Brazil. Bleaching experiments showed that residual TL intensity of 375 degrees C peak, of the quartz, was obtained after 10 h of sunlight exposition. Intensities decays of the 325 and 375 degrees C TL peaks can be fitted using second order ex...
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ژورنال
عنوان ژورنال: Quaternary Geochronology
سال: 2017
ISSN: 1871-1014
DOI: 10.1016/j.quageo.2017.05.004