IDENTIFICATION OF WELL-BLEACHED GRAINS IN THE OPTICAL DATING OF QUARTZ
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dc.contributor.author | Li S.H. | |
dc.date.accessioned | 2021-03-10T03:53:17Z | |
dc.date.available | 2021-03-10T03:53:17Z | |
dc.date.issued | 2001 | |
dc.identifier | https://www.elibrary.ru/item.asp?id=689169 | |
dc.identifier.citation | Quaternary Science Reviews, 2001, 20, 12, 1365-1370 | |
dc.identifier.issn | 0277-3791 | |
dc.identifier.uri | https://repository.geologyscience.ru/handle/123456789/26516 | |
dc.description.abstract | A simple means of identifying poorly bleached samples is proposed for the dating of quartz using the single-aliquot additive-dose optically stimulated luminescence (OSL) protocol. For a well-bleached sample, it is shown that the equivalent dose (De) does not change with the ratio of the natural OSL from a brief (0.1s) stimulation to the 110°C thermoluminescence from a subsequent small test dose. In contrast, in a poorly bleached sample, the De increases strongly at higher values of the ratio. These observations suggest that this ratio can be used as an indicator of whether or not a sample is well bleached. The OSL/TL ratio is also likely to be sensitive to such factors as thermal history and feldspar contamination. | |
dc.title | IDENTIFICATION OF WELL-BLEACHED GRAINS IN THE OPTICAL DATING OF QUARTZ | |
dc.type | Статья |
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