The application of radiofluorescence dating (IR-RF) on loess

放射性荧光测年（IR-RF）在黄土上的应用

• 批准号: 264769390
• 负责人: Professor Dr. Markus Fuchs
• 金额: --
• 依托单位: Bereich Physische Geographie
• 依托单位国家: 德国
• 项目类别: Research Grants
• 财政年份: 2014
• 资助国家: 德国
• 起止时间: 2013-12-31 至 2017-12-31
• 项目状态: 已结题
• 来源: https://gepris.dfg.de/gepris/projekt/264769390?language=en
• 关键词: application; radiofluorescence; dating; IR; RF

Loess and its paleosols represent important sedimentary archives for investigating Quaternary paleoenvironments. However, to interpret these archives, a robust chronostratigraphy is of crucial importance and luminescence dating techniques play a major role in establishing these chronostratigraphies. So far, dominantly loess from the last glacial/interglacial cycle was successfully dated by luminescence dating, caused by specific mineral characteristics and due to methodological problems of the applied luminescence dating techniques. An alternative and innovative approach is represented by the infrared radiofluorescence dating technique (IR/RF), which enables the dating of sediments far beyond the last glacial-interglacial cycle. However, even though the IR/RF dating technique could already successfully be applied to various sediment types, its routine application is not given and the development of a reliable IR/RF dating protocol is challenging. Therefore, basic questions in respect to the behavior of the IR/RF signal to individual measurement parameters need to be answered, a prerequisite to develop a robust measurement protocol for IR/RF dating. Here we apply for a project, which focus on establishing the IR/RF dating technique for coarse grain K-feldspar of loess (> 63 µm). Therefore, different measurements parameters and their impact on the IR/RF dating results will be investigated, to develop a reliable IR-RF measurement protocol. The second objective of this application is the development of a new IR-RF dating protocol for polymineral fine grain loess samples (4 to 11 µm). Because both IR/RF dating techniques, the technique for coarse-grain K Feldspar and polymineral fine grain samples, have a great potential for the dating of loess deposits from the late to middle Pleistocene, the development of the new methods will use loess material from the late to middle Pleistocene, for which already independent age control exists.

Lobust Chronobust Chronobastraphy及其重要的沉积物档案。 Luminescent Edation Technational E（IR/RF），使沉积物的日期远远超出了最后的冰川循环。 IR/RF信号对IR/RF信号测量参数的行为，回答了/RF年代的强大测量协议，我们申请了一个项目，该项目的重点是建立您的IR/RF日期黄土（> 63 µm）。至11 µm）。 。

项目成果

Further investigations on IR-RF: Dose recovery and correction

• DOI: 10.1016/j.radmeas.2018.04.017
• 发表时间: 2018-12
• 期刊: Radiation Measurements
• 影响因子: 2
• 作者: M. K. Murari;S. Kreutzer;M. Fuchs