An attempt to correct for the fading in million year old basaltic rocks
, , , y | 19 jun 2011
Geochronometria
Special Issue Title: Proceedings of the 2nd Asia Pacific Conference on Luminescence Dating, Ahmedabad, India, 2009. Part II Issue Editors: Andrzej Bluszcz, Silesian University of Technology, Gliwice, Poland. Andrzej.Bluszcz@polsl.pl Sheng-Hua Li, The University of Hong Kong, Hong Kong, China. shli@hku.hk Ashok Kumar Singhvi, Physical Research Laboratory, Ahmedabad, India. singhvi@prl.res.in
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Publicado en línea: 19 jun 2011
Páginas: 223 - 230
DOI: https://doi.org/10.2478/s13386-011-0033-6
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© 2011 Silesian University of Technology, Gliwice, Poland
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.
The use of feldspar for luminescence dating has been restricted because of anomalous fading. This has made its application to several important geological problems such as volcanic terrains difficult. Presently, two correction procedures are used to correct for anomalous fading. The present study tests these correction procedures using volcanic samples of known ages spanning the time period of 400 ka to 2.2 Ma. These correction procedures provided grossly underestimated ages (up to 60%). The possible causes for the underestimation are discussed.