Partial bleaching and the decay form characteristics of quartz OSL

Bailey, Richard M.; Smith, B.W.; Rhodes, Ed

doi:10.1016/s1350-4487(96)00157-6

Cited by 284 publications

(108 citation statements)

References 13 publications

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“…Neither IR response (below detection limits and typically equivalent to o0.05% of OSL test dose response) nor OSL decay shape data suggested any significant feldspar contamination. While a build of slow OSL (cf., Bailey et al, 1997) towards the end of the SAR runs could be observed, zero dose points recorded at the end of the runs represented an extremely small fraction (typically o2-3%) of measured intensities from the SAR data.…”

Section: Quartz Sar Resultsmentioning

confidence: 92%

Luminescence dating of anthropogenically reset canal sediments from Angkor Borei, Mekong Delta, Cambodia

Sanderson

Bishop

Stark

et al. 2003

Quaternary Science Reviews

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Section: Quartz Sar Resultsmentioning

confidence: 92%

Luminescence dating of anthropogenically reset canal sediments from Angkor Borei, Mekong Delta, Cambodia

Sanderson

Bishop

Stark

et al. 2003

Quaternary Science Reviews

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“…2c) in which the majority of the luminescence is emitted during the first seconds (Fig. 2d) named fast, medium and slow (Bailey et al 1997) according to their increasing decay times are generally used to describe the OSL of quartz. However, up to seven OSL components have been identified (Jain et al 2003).…”

Section: Measurement Of Equivalent-dosementioning

confidence: 92%

Luminescence characteristics of quartz from Brazilian sediments and constraints for OSL dating

Guedes

Sawakuchi

Giannini

et al. 2013

An. Acad. Bras. Ciênc.

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This study analyzes the optically stimulated luminescence (OSL) characteristics of quartz grains from fluvial, eolian and shallow marine sands of northeastern and southeastern Brazil, with especial focus on the applicability of the single-aliquot regenerative dose (SAR) dating protocol. All analyzed Brazilian sediments presented relatively high OSL sensitivity and good behavior regarding their luminescence characteristics relevant for radiation dose estimation. However, some samples from the Lençóis Maranhenses region in northeastern Brazil showed inadequate OSL sensitivity correction, hampering the implementation of the SAR protocol and their ability to behave as a natural dosimeter. While the shallow marine and eolian samples showed a narrow and reliable dose distribution, the fluvial sample had a wide dose distribution, suggesting incomplete bleaching and natural doses estimates dependent on age models.

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“…Internal variability leads to the observation of grains with different luminescence properties, such as brightness, and the presence of quartz grains with different OSL components [3]. For some quartz samples, isolation of the so-called 'fast component' of the OSL improves the accuracy of absorbed dose estimates [1].…”

Section: Doi: Https://doiorg/105564/pmasv57i4918mentioning

confidence: 99%