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Article: Luminescence dating of Chinese loess beyond 130 ka using the non-fading signal from K-feldspar

TitleLuminescence dating of Chinese loess beyond 130 ka using the non-fading signal from K-feldspar
Authors
KeywordsChronology
Feldspar
Loess
Luminescence dating
Marine isotope stage
Issue Date2012
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, 2012, v. 10, p. 24-31 How to Cite?
AbstractA multi-elevated-temperature post-IR IRSL (MET-pIRIR) protocol, which utilizes the IRSL signals measured by progressively increasing the stimulation temperature from 50 to 300 °C in a step of 50 °C, was applied to date the potassium-rich feldspar (K-feldspar) extracts from loess samples at the Luochuan section of the Chinese Loess Plateau. It was observed that the MET-pIRIR ages obtained at elevated-temperatures (250 and 300 °C) are consistent with independent chronological control for the samples from the first loess layer (L1) to the third paleosol layer (S3), which correspond to the marine isotope stages (MIS) 2-9. Our results indicate that the MET-pIRIR protocol can provide reliable ages for the Chinese loess up to ∼300 ka. The results suggest that the MET-pIRIR signal measured at 250 and 300 °C gives the most reliable ages for older samples (>130 ka). For samples below L3, the natural MET-pIRIR signals measured at high temperatures reach the saturation level in dose response curves, suggesting a dating limit of ∼300 ka for the Luochuan loess section. © 2012 Elsevier B.V.
Persistent Identifierhttp://hdl.handle.net/10722/163958
ISSN
2015 Impact Factor: 3.142
2015 SCImago Journal Rankings: 1.931
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorLi, Ben_US
dc.contributor.authorLi, SHen_US
dc.date.accessioned2012-09-20T07:53:57Z-
dc.date.available2012-09-20T07:53:57Z-
dc.date.issued2012en_US
dc.identifier.citationQuaternary Geochronology, 2012, v. 10, p. 24-31en_US
dc.identifier.issn1871-1014-
dc.identifier.urihttp://hdl.handle.net/10722/163958-
dc.description.abstractA multi-elevated-temperature post-IR IRSL (MET-pIRIR) protocol, which utilizes the IRSL signals measured by progressively increasing the stimulation temperature from 50 to 300 °C in a step of 50 °C, was applied to date the potassium-rich feldspar (K-feldspar) extracts from loess samples at the Luochuan section of the Chinese Loess Plateau. It was observed that the MET-pIRIR ages obtained at elevated-temperatures (250 and 300 °C) are consistent with independent chronological control for the samples from the first loess layer (L1) to the third paleosol layer (S3), which correspond to the marine isotope stages (MIS) 2-9. Our results indicate that the MET-pIRIR protocol can provide reliable ages for the Chinese loess up to ∼300 ka. The results suggest that the MET-pIRIR signal measured at 250 and 300 °C gives the most reliable ages for older samples (>130 ka). For samples below L3, the natural MET-pIRIR signals measured at high temperatures reach the saturation level in dose response curves, suggesting a dating limit of ∼300 ka for the Luochuan loess section. © 2012 Elsevier B.V.-
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=1-
dc.relation.ispartofQuaternary Geochronologyen_US
dc.subjectChronology-
dc.subjectFeldspar-
dc.subjectLoess-
dc.subjectLuminescence dating-
dc.subjectMarine isotope stage-
dc.titleLuminescence dating of Chinese loess beyond 130 ka using the non-fading signal from K-feldsparen_US
dc.typeArticleen_US
dc.identifier.emailLi, B: bli@uow.edu.auen_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_fulltext-
dc.identifier.doi10.1016/j.quageo.2011.12.005-
dc.identifier.scopuseid_2-s2.0-84863783093-
dc.identifier.hkuros207870en_US
dc.identifier.volume10en_US
dc.identifier.spage24en_US
dc.identifier.epage31en_US
dc.identifier.isiWOS:000307195300005-
dc.publisher.placeNetherlands-

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