IMHE OpenIR  > Journal of Mountain Science  > Journal of Mountain Science-2016  > Vol13 No.7
Optically stimulated luminescence dating of young glacial sediments from the eastern Qinghai-Tibetan Plateau
ZENG Lan-hua; OU Xian-jiao; LAI Zhong-ping; ZHOU Shang-zhe
Corresponding AuthorOU Xian-jiao ; LAI Zhong-ping
2016-07
Source PublicationJournal of Mountain Science
ISSN1672-6316
Volume13Issue:7Pages:1174-1185
Subtype期刊论文
AbstractPoor bleaching is a significant problem for Optically Stimulated Luminescence (OSL) dating of glacial sediments. Five young glacial samples (including two modern analogues) from different depositional settings were collected beyond the Yingpu Glacier in the eastern Qinghai-Tibetan Plateau. De was determined using different OSL methods. The luminescence characteristics and dating results showed that the large aliquot quartz Blue Stimulated Luminescence (BSL) is more applicable than polymineral infrared stimulated luminescence (IRSL) method. Small aliquot quartz BSL results showed poor luminescence properties due to low luminescence sensitivity of quartz in this area. The dating results also indicated that glaciofluvial samples deposited close to ice margin (~40 m and ~700 m) and supraglacial debris dominated lateral moraine samples are relatively well-bleached, whereas samples from ground moraine and low terminal moraine were poorly bleached, probably due to containing subglacial and englacial debris. The residual doses of glaciofluvial and lateral moraine crest samples were below a few Gy and age overestimations were below a few hundred years. The ground moraine and low terminal moraine samples had residual doses as high as ~110 Gy, and ages were overestimated by ~15-17 ka.
KeywordGlacial Sediments Optically Stimulated Luminescence Quartz Residual Age Qinghai-tibetan Plateau
DOI10.1007/s11629-015-3608-5
Indexed BySCI
Language英语
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Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imde.ac.cn/handle/131551/17257
CollectionJournal of Mountain Science_Journal of Mountain Science-2016_Vol13 No.7
Recommended Citation
GB/T 7714
ZENG Lan-hua,OU Xian-jiao,LAI Zhong-ping,et al. Optically stimulated luminescence dating of young glacial sediments from the eastern Qinghai-Tibetan Plateau[J]. Journal of Mountain Science,2016,13(7):1174-1185.
APA ZENG Lan-hua,OU Xian-jiao,LAI Zhong-ping,&ZHOU Shang-zhe.(2016).Optically stimulated luminescence dating of young glacial sediments from the eastern Qinghai-Tibetan Plateau.Journal of Mountain Science,13(7),1174-1185.
MLA ZENG Lan-hua,et al."Optically stimulated luminescence dating of young glacial sediments from the eastern Qinghai-Tibetan Plateau".Journal of Mountain Science 13.7(2016):1174-1185.
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