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The D e (T, t) plot: A straightforward self-diagnose tool for post-IR IRSL dating procedures

The D e (T, t) plot: A straightforward self-diagnose tool for post-IR IRSL dating procedures This study presents a new self-diagnose method for the recently developed post-IR infrared stimulated luminescence (pIRIR) dating protocols. This criterion studies the dependence of equivalent dose (D e) on measurement-temperature (T) and time (t), by applying the D e (t) analysis to the IRLS and pIRIR signals measured under different temperatures, and combines these D e (t) plots into one, so-called the D e (T, t) plot. The pattern of the D e (T, t) plot is shown to be affected by anomalous fading, partial bleaching and non-bleachable signal. A D e plateau can be achieved in the D e (T, t) plot only when the effects of these factors are insignificant. Therefore, this plot can be used as a self-diagnose tool for the validity of pIRIR results. The D e (T, t) analysis has been applied to four recently developed pIRIR protocols, using aeolian samples with different ages. The results show that this self-diagnose tool can be applied to different pIRIR protocols for validating the pIRIR dating results and evaluating the pIRIR measurement conditions. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Geochronometria Springer Journals

The D e (T, t) plot: A straightforward self-diagnose tool for post-IR IRSL dating procedures

Geochronometria , Volume 41 (4) – Jul 23, 2014

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References (46)

Publisher
Springer Journals
Copyright
Copyright © 2013 by Versita Warsaw and Springer-Verlag Wien
Subject
Earth Sciences; Quantitative Geology; Environmental Monitoring/Analysis; Earth Sciences, general
ISSN
1733-8387
eISSN
1897-1695
DOI
10.2478/s13386-013-0167-9
Publisher site
See Article on Publisher Site

Abstract

This study presents a new self-diagnose method for the recently developed post-IR infrared stimulated luminescence (pIRIR) dating protocols. This criterion studies the dependence of equivalent dose (D e) on measurement-temperature (T) and time (t), by applying the D e (t) analysis to the IRLS and pIRIR signals measured under different temperatures, and combines these D e (t) plots into one, so-called the D e (T, t) plot. The pattern of the D e (T, t) plot is shown to be affected by anomalous fading, partial bleaching and non-bleachable signal. A D e plateau can be achieved in the D e (T, t) plot only when the effects of these factors are insignificant. Therefore, this plot can be used as a self-diagnose tool for the validity of pIRIR results. The D e (T, t) analysis has been applied to four recently developed pIRIR protocols, using aeolian samples with different ages. The results show that this self-diagnose tool can be applied to different pIRIR protocols for validating the pIRIR dating results and evaluating the pIRIR measurement conditions.

Journal

GeochronometriaSpringer Journals

Published: Jul 23, 2014

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