Quartz and polymineral luminescence dating of Japanese loess over the last 0.6 Ma: Comparison with an independent chronology

Watanuki, T.; Murray, Andrew; Tsukamoto, Sumiko

doi:10.1016/j.epsl.2005.09.027

Cited by 82 publications

(87 citation statements)

References 27 publications

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“…We provided in Table S1 the independent ages (i.e., 'expected age') for all published pIRIR ages where such ages were reported. The majority of samples for which independent ages were available range in age from 0 to 400 ka, except for one sample of Japanese loess (Tg22) for which a quartz OSL age 507 ± 41 ka and a fission track age of 660 ± 40 ka is known (Watanuki et al, 2005). Independent age control for the rest of the samples came from predominantly quartz OSL, but also from radiocarbon, fission track, tephra chronology and also stratigraphic correlation and paleomagnetism.…”

Section: Age Comparison With Independent Agesmentioning

confidence: 99%

Review and assessment of the potential of post-IR IRSL dating methods to circumvent the problem of anomalous fading in feldspar luminescence

et al. 2014

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Quartz has been the main mineral used for optically stimulated luminescence (OSL) dating of sediments over the last decade. The quartz OSL signal, however, has been shown to saturate at relatively low doses of ~200-400 Gy, making it difficult to be used for dating beyond about 200 thousand years (ka), unless the environmental dose rate is low. The infrared stimulated luminescence (IRSL) from feldspars has been shown to continue to grow to higher dose levels than quartz OSL. The application of IRSL dating of feldspars, however, has long been hampered by the anomalous fading effect. Recent progress in understanding anomalous fading of the infrared stimulated luminescence (IRSL) signals in potassium-feldspar has led to the development of post-IR IRSL (pIRIR) protocols and also a multiple elevated temperature (MET) stimulation (MET-pIRIR) protocol. These procedures have raised the prospect of isolating a non-fading IRSL component for dating Quaternary deposits containing feldspars. In this study, we review the recent progress made on (1) overcoming anomalous fading of feldspar, and (2) the development of pIRIR dating techniques for feldspar. The potential and problems associated with these methods are discussed.

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Section: Age Comparison With Independent Agesmentioning

confidence: 99%

Review and assessment of the potential of post-IR IRSL dating methods to circumvent the problem of anomalous fading in feldspar luminescence

et al. 2014

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“…Some authors have reported that they could not use coarse grained quartz as a dosimeter, because their quartz showed no OSL signal (Kondo et al, 2007) or no fast component . Other authors have focused on loess which mainly originates from the Asian continent 2005;Tsukamoto et al, 2003). They found that equivalent dose (D e ) values tend to be underestimated due to the presence of the medium and slow 1 components (as defined by Jain et al, 2003;Component-2 in Watanuki et al, 2005) and assumed that these components originate from more local volcanic quartz.…”

Section: Introductionmentioning

confidence: 99%

The Characteristics of OSL Signal from Quartz Grains Extracted from Modern Sediments in Japan

Tokuyasu¹,

Tanaka²,

Tsukamoto³

et al. 2010

Geochronometria

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Quartz grains from sediments in Japan are derived from complex mixtures of sources, including volcanic, plutonic, metamorphic and sedimentary rocks. We have measured the OSL signal of quartz grains from modern coastal sediments derived from different source rocks and compared these characteristics with the likely source. Each sample shows a different combination of various OSL components. It is concluded that the source rock affects the characteristics of the OSL components from quartz grains in Japanese sediments. By comparing the LM-OSL signals from volcanic sources with those from various source rocks, it can be deduced that quartz which has a higher fast component ratio is more suitable for dating. We also conclude that volcanic source areas should be avoided.

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“…Although Watanuki et al (2005) obtained ages back to 0.6 Ma on Japanese loess using the mathematicallyisolated fast OSL component, a similar study by Lai (2010) on Chinese loess resulted in an age of only 107 ka for a sample from beneath the Brunhes/Matuyama boundary at 780 ka. Also, in their study of sand containing the transitional Middle/Early Stone Age tool assemblage at Kathu Pan, South Africa, Porat et al (2010) obtained an OSL age of 464±47 ka, compared with the combined U-series-ESR age of 140 107 542 + − ka Another aspect of the SAR protocol that may cause the dose response curve to change is whether the doses are given using continuous irradiation or whether a stepped irradiation procedure is adopted.…”

Section: Extending the Time Range Using Osl Measurementsmentioning

confidence: 99%

Future Directions of Luminescence Dating of Quartz

Wintle¹

2010

Geochronometria

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Quartz and polymineral luminescence dating of Japanese loess over the last 0.6 Ma: Comparison with an independent chronology

Cited by 82 publications

References 27 publications

Review and assessment of the potential of post-IR IRSL dating methods to circumvent the problem of anomalous fading in feldspar luminescence

Review and assessment of the potential of post-IR IRSL dating methods to circumvent the problem of anomalous fading in feldspar luminescence

The Characteristics of OSL Signal from Quartz Grains Extracted from Modern Sediments in Japan

Future Directions of Luminescence Dating of Quartz

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