奥地利grub - kranaweberg遗址的发光年表

L. Zöller, D. Richter, Stefanie Masuth, Lisa Wunner, Manfred Fischer, Walpurga Antl-Weiser
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引用次数: 10

摘要

采用多矿物细粒(4 ~ 11µm)的红外激发发光法(IRSL)和38 ~ 63µm的石英颗粒的光学激发发光法(OSL)测定了下奥地利Grub-Kranawetberg露天遗址黄土剖面的8个样品的年代。AH4主要考古层木炭的校正放射性碳年龄约为30 ka BP,与IRSL和OSL年龄估计在误差范围内一致。在实验室中无法检测到长石为主的IRSL的异常褪色,因此没有校正MAAD-IRSL年龄。大多数IRSL和OSL年龄在误差范围内一致,但与OSL年龄相比,一些IRSL年龄明显被低估,总体上OSL年龄的平均值高于个体IRSL年龄的平均值。OSL年龄将暴露的黄土沉积(包括一个层间土壤复合体(“Stillfried B”))置于约47 ka至约30 ka之间。讨论了欧洲部分黄土地区潜在的土壤地层相关性以及旧石器时代晚期人类活动模式的古生态意义。Lumineszenz -Chronologie der Fundstelle grub - granaweberg, Osterreich
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Luminescence chronology of the Grub-Kranawetberg site, Austria
Eight samples from a loess profile at the open air site of Grub-Kranawetberg (Lower Austria) were dated by Infrared Stimulated Luminescence (IRSL) of the polymineral fine-grain (4–11 µm) fraction and Optically Stimulated Luminescence (OSL) of quartz grains in the size range of 38–63 µm. Calibrated radiocarbon ages of ca. 30 ka BP on charcoal from the main archaeological layer AH4 agree with the IRSL and OSL age estimates within error limits. Anomalous fading of the feldspar-dominated IRSL from fine grain fraction could not be detected in the laboratory and the MAAD-IRSL ages were therefore not corrected. Most IRSL and OSL ages agreed within error limits, however, some IRSL ages were significantly underestimated as compared to the OSL ages, and in general the mean of the OSL ages was higher compared to the mean of individual IRSL ages. The OSL ages place the deposition of the exposed loess including an interstadial pedocomplex (“Stillfried B”) to between ca. 47 ka and ca. 30 ka. Potential pedostratigraphic correlations with some European loess areas as well as palaeoecological implications on Upper Palaeolithic human occupation patterns are discussed. Lumineszenz -Chronologie der Fundstelle Grub-Granawetberg, Osterreich
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