Scanning Synchrotron X-Ray Fluorescence Microanalysis for Tephrochronological Studies
- 作者: Darin A.1, Darin F.2,3, Sorokoletov D.2, Rakshun Y.2, Rogozin D.4
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隶属关系:
- VS Sobolev Institute of Geology and Mineralogy SB RAS
- Budker Institute of Nuclear Physics SB RAS
- Synchrotron Radiation Facility SKIF, Boreskov Institute of Catalysis SB RAS
- Institute of Biophysics SB RAS
- 期: 编号 11 (2023)
- 页面: 84-89
- 栏目: Articles
- URL: https://journals.rcsi.science/1028-0960/article/view/232224
- DOI: https://doi.org/10.31857/S1028096023110092
- EDN: https://elibrary.ru/WMDRTC
- ID: 232224
如何引用文章
详细
On the border of China and North Korea, there is the only active stratovolcano in the eastern part of Asia – Paektusan (other names are Baitoushan, Changbaishan). It is widely known for one of the largest eruptions in the historical era, which occurred in the 10th century AD. On a volcanic activity scale, the event is rated at seven points, this is the largest eruption in the last millennium. Modern research shows that the eruption of the Paektusan volcano occurred in late autumn–winter 946 AD. This dating is supported by data obtained from the study of an ice core from North Greenland, in which traces of volcanic ash were found. At a depth of 860 mm (the age according to the calculation of annual layers is 942 AD ± 26 years), a layer 2–3 mm thick was found, which differed sharply in color and texture from the rest of the core material. Using a module of confocal X-ray microscopy, an optical section containing an anomalous layer was studied. 2D scanning with a focused beam of synchrotron radiation 20 µm in diameter was carried out. A large amount of microparticles with a high content of zirconium and yttrium was found inside the layer. The possibility of finding traces of the eruption of the Paektusan volcano is discussed.
作者简介
A. Darin
VS Sobolev Institute of Geology and Mineralogy SB RAS
编辑信件的主要联系方式.
Email: Darin@ngs.ru
Russia, 630090, Novosibirsk
F. Darin
Budker Institute of Nuclear Physics SB RAS; Synchrotron Radiation Facility SKIF, Boreskov Institute of Catalysis SB RAS
编辑信件的主要联系方式.
Email: F.A.Darin@inp.nsk.su
Russia, 630090, Novosibirsk; Russia, 630559, Novosibirsk
D. Sorokoletov
Budker Institute of Nuclear Physics SB RAS
Email: F.A.Darin@inp.nsk.su
Russia, 630090, Novosibirsk
Ya. Rakshun
Budker Institute of Nuclear Physics SB RAS
Email: F.A.Darin@inp.nsk.su
Russia, 630090, Novosibirsk
D. Rogozin
Institute of Biophysics SB RAS
Email: F.A.Darin@inp.nsk.su
Russia, 660036, Krasnoyarsk
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