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Article: Luminescence dating of K-feldspar from sediments: a protocol without anomalous fading correction

TitleLuminescence dating of K-feldspar from sediments: a protocol without anomalous fading correction
Authors
KeywordsAge determination
Feldspar
Luminescence dating
Measurement method
Sediment analysis
Issue Date2011
PublisherElsevier BV. The Journal's web site is located at http://www.elsevier.com/wps/find/journaldescription.cws_home/706731/description?navopenmenu=1
Citation
Quaternary Geochronology, 2011, v. 6 n. 5, p. 468-479 How to Cite?
AbstractA protocol for optical dating of potassium-rich feldspar (K-feldspar) is proposed. It utilizes the infrared stimulated luminescence (IRSL) signal measured by progressively increasing the stimulation temperature from 50 to 250 °C in step of 50 °C, so-called multi-elevated-temperature post-IR IRSL (MET-pIRIR) measurements. Negligible anomalous fading was observed for the MET-pIRIR signals obtained at 200 and 250 °C. This was supported by equivalent dose (D e) measurements using the IRSL and MET-pIRIR signals. The D e values increase progressively from 50 °C to 200 °C, but similar D e values were obtained for the MET-pIRIR signal at 200 and 250 °C. Measurement of modern samples and bleached samples indicates that the MET-pIRIR signals have small residual doses less than 5 Gy equivalent to about 1-2 ka. We have tested the protocol using various sedimentary samples with different ages from different regions of China. The MET-pIR IRSL ages obtained at 200 and 250 °C are consistent with independent and/or quartz OSL ages. © 2011 Elsevier B.V.
Persistent Identifierhttp://hdl.handle.net/10722/151319
ISSN
2015 Impact Factor: 3.142
2015 SCImago Journal Rankings: 1.931
ISI Accession Number ID
Funding AgencyGrant Number
Research Grant Council of the Hong Kong Special Administrative Region, China7035/06P
7035/07P
7028/08P
Funding Information:

Dr. Tsukamoto and Dr. Thomsen are appreciated for their critical comments on the manuscript. This study was financially supported by the grants to SHL from the Research Grant Council of the Hong Kong Special Administrative Region, China (Project no. 7035/06P, 7035/07P and 7028/08P).

References

 

DC FieldValueLanguage
dc.contributor.authorLi, Ben_US
dc.contributor.authorLi, SHen_US
dc.date.accessioned2012-06-26T06:20:34Z-
dc.date.available2012-06-26T06:20:34Z-
dc.date.issued2011en_US
dc.identifier.citationQuaternary Geochronology, 2011, v. 6 n. 5, p. 468-479en_US
dc.identifier.issn1871-1014en_US
dc.identifier.urihttp://hdl.handle.net/10722/151319-
dc.description.abstractA protocol for optical dating of potassium-rich feldspar (K-feldspar) is proposed. It utilizes the infrared stimulated luminescence (IRSL) signal measured by progressively increasing the stimulation temperature from 50 to 250 °C in step of 50 °C, so-called multi-elevated-temperature post-IR IRSL (MET-pIRIR) measurements. Negligible anomalous fading was observed for the MET-pIRIR signals obtained at 200 and 250 °C. This was supported by equivalent dose (D e) measurements using the IRSL and MET-pIRIR signals. The D e values increase progressively from 50 °C to 200 °C, but similar D e values were obtained for the MET-pIRIR signal at 200 and 250 °C. Measurement of modern samples and bleached samples indicates that the MET-pIRIR signals have small residual doses less than 5 Gy equivalent to about 1-2 ka. We have tested the protocol using various sedimentary samples with different ages from different regions of China. The MET-pIR IRSL ages obtained at 200 and 250 °C are consistent with independent and/or quartz OSL ages. © 2011 Elsevier B.V.en_US
dc.languageengen_US
dc.publisherElsevier BV. The Journal's web site is located at http://www.elsevier.com/wps/find/journaldescription.cws_home/706731/description?navopenmenu=1en_US
dc.relation.ispartofQuaternary Geochronologyen_US
dc.subjectAge determinationen_US
dc.subjectFeldsparen_US
dc.subjectLuminescence datingen_US
dc.subjectMeasurement methoden_US
dc.subjectSediment analysisen_US
dc.titleLuminescence dating of K-feldspar from sediments: a protocol without anomalous fading correctionen_US
dc.typeArticleen_US
dc.identifier.emailLi, B: boli@hku.hken_US
dc.identifier.emailLi, SH: shli@hku.hken_US
dc.identifier.authorityLi, B=rp00736en_US
dc.identifier.authorityLi, SH=rp00740en_US
dc.description.naturelink_to_subscribed_fulltexten_US
dc.identifier.doi10.1016/j.quageo.2011.05.001en_US
dc.identifier.scopuseid_2-s2.0-79961029264en_US
dc.identifier.hkuros207874-
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-79961029264&selection=ref&src=s&origin=recordpageen_US
dc.identifier.volume6en_US
dc.identifier.issue5en_US
dc.identifier.spage468en_US
dc.identifier.epage479en_US
dc.identifier.isiWOS:000294532800005-
dc.publisher.placeNetherlandsen_US
dc.identifier.scopusauthoridLi, SH=24438103700en_US
dc.identifier.scopusauthoridLi, B=36072316000en_US

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