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Article: Luminescence dating of Chinese loess beyond 130 ka using the non-fading signal from K-feldspar
Title | Luminescence dating of Chinese loess beyond 130 ka using the non-fading signal from K-feldspar |
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Authors | |
Keywords | Chronology Feldspar Loess Luminescence dating Marine isotope stage |
Issue Date | 2012 |
Publisher | Elsevier 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? |
Abstract | A 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 Identifier | http://hdl.handle.net/10722/163958 |
ISSN | 2023 Impact Factor: 1.7 2023 SCImago Journal Rankings: 0.811 |
ISI Accession Number ID |
DC Field | Value | Language |
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dc.contributor.author | Li, B | en_US |
dc.contributor.author | Li, SH | en_US |
dc.date.accessioned | 2012-09-20T07:53:57Z | - |
dc.date.available | 2012-09-20T07:53:57Z | - |
dc.date.issued | 2012 | en_US |
dc.identifier.citation | Quaternary Geochronology, 2012, v. 10, p. 24-31 | en_US |
dc.identifier.issn | 1871-1014 | - |
dc.identifier.uri | http://hdl.handle.net/10722/163958 | - |
dc.description.abstract | A 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.language | eng | en_US |
dc.publisher | Elsevier BV. The Journal's web site is located at http://www.elsevier.com/wps/find/journaldescription.cws_home/706731/description?navopenmenu=1 | - |
dc.relation.ispartof | Quaternary Geochronology | en_US |
dc.subject | Chronology | - |
dc.subject | Feldspar | - |
dc.subject | Loess | - |
dc.subject | Luminescence dating | - |
dc.subject | Marine isotope stage | - |
dc.title | Luminescence dating of Chinese loess beyond 130 ka using the non-fading signal from K-feldspar | en_US |
dc.type | Article | en_US |
dc.identifier.email | Li, B: bli@uow.edu.au | en_US |
dc.identifier.email | Li, SH: shli@hku.hk | en_US |
dc.identifier.authority | Li, B=rp00736 | en_US |
dc.identifier.authority | Li, SH=rp00740 | en_US |
dc.description.nature | link_to_subscribed_fulltext | - |
dc.identifier.doi | 10.1016/j.quageo.2011.12.005 | - |
dc.identifier.scopus | eid_2-s2.0-84863783093 | - |
dc.identifier.hkuros | 207870 | en_US |
dc.identifier.volume | 10 | en_US |
dc.identifier.spage | 24 | en_US |
dc.identifier.epage | 31 | en_US |
dc.identifier.isi | WOS:000307195300005 | - |
dc.publisher.place | Netherlands | - |
dc.identifier.issnl | 1871-1014 | - |