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DOI10.2478/s13386-011-0011-z
COMPARISON OF THREE K-FELDSPAR LUMINESCENCE DATING METHODS FOR HOLOCENE SAMPLES
Li, Guo-Qiang; Zhao, Hui; Chen, Fa-Hu
发表日期2011
ISSN1733-8387
卷号38期号:1页码:14-22
英文摘要

The luminescence dating of the K-feldspar fraction is an alternative way for samples that cannot yield reasonable equivalent dose (D(e)) from quartz fraction with very weak luminescence signal. For testing the reliability of the infrared stimulated luminescence (IRSL) dating of K-feldspar, luminescence dating was applied to quartz and K-feldspar fractions respectively for several Holocene samples in this study. K-feldspar apparent ages using routine single aliquot regenerative-dose (SAR) protocol, K-feldspar ages using g value correction method and ages from isochron dating method were compared with quartz ages. It is found that the g value correction method cannot give reliable ages due to the large errors induced during measurements. The isochron dating method is effective to the sample with problematically external dose rate. However, isochron dating may introduce a relatively greater error during grain sizes - D(e) curve fitting, therefore this method could obtain low-resolution ages for Holocene samples. Even K-feldspar apparent age from routine SAR protocol is relatively younger by about 10% than the quartz age, it still could establish reasonable chronological framework for Holocene samples.


英文关键词K-feldspar;Holocene samples;OSL dating;g value correction;isochron dating
语种英语
WOS研究方向Geology ; Paleontology
WOS类目Geosciences, Multidisciplinary ; Paleontology
WOS记录号WOS:000288562900002
来源期刊GEOCHRONOMETRIA
来源机构兰州大学 ; 中国科学院青藏高原研究所
文献类型期刊论文
条目标识符http://gcip.llas.ac.cn/handle/2XKMVOVA/1925
推荐引用方式
GB/T 7714
Li, Guo-Qiang,Zhao, Hui,Chen, Fa-Hu. COMPARISON OF THREE K-FELDSPAR LUMINESCENCE DATING METHODS FOR HOLOCENE SAMPLES[J]. 兰州大学, 中国科学院青藏高原研究所,2011,38(1):14-22.
APA Li, Guo-Qiang,Zhao, Hui,&Chen, Fa-Hu.(2011).COMPARISON OF THREE K-FELDSPAR LUMINESCENCE DATING METHODS FOR HOLOCENE SAMPLES.GEOCHRONOMETRIA,38(1),14-22.
MLA Li, Guo-Qiang,et al."COMPARISON OF THREE K-FELDSPAR LUMINESCENCE DATING METHODS FOR HOLOCENE SAMPLES".GEOCHRONOMETRIA 38.1(2011):14-22.
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