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Geochemical discrimination of Baekdusan and Kyushu obsidian using instrumental neutron activation analysis.

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Title: Geochemical discrimination of Baekdusan and Kyushu obsidian using instrumental neutron activation analysis.
Authors: Jin, Mi-Eun1 (AUTHOR), Sun, Gwang-Min1 (AUTHOR) gmsun@kaeri.re.kr, Jwa, Yong-Joo2 (AUTHOR)
Source: Journal of Radioanalytical & Nuclear Chemistry. Dec2025, Vol. 334 Issue 12, p9187-9193. 7p.
Subjects: Obsidian, Analytical geochemistry, Archaeology, Volcanology, Volcanoes, Nuclear activation analysis
Geographic Terms: Korea, Japan, Kyūshū Region (Japan)
Abstract: Obsidian is a key research subject in geological studies on volcanic activity and magmatic processes as well as in provenance research in archeology. In this study, the geochemical characteristics of obsidian samples from Baekdusan (Korea) and Kyushu (Japan) were compared to better understand their formation processes and regional differences. Instrumental Neutron Activation Analysis (INAA) of the minor and trace element compositions of the samples revealed distinct geochemical signatures specific to each region. These differences reflect variations in the magma composition, cooling rate, and tectonic settings. Furthermore, geochemical "fingerprinting" of obsidian provides valuable insights for tracing the provenance of archaeological artifacts. The INAA-based analytical tool provides deeper insight into geological processes and prehistoric cultural exchange networks. [ABSTRACT FROM AUTHOR]
Copyright of Journal of Radioanalytical & Nuclear Chemistry is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
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DbLabel: Engineering Source
An: 191074742
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PubType: Academic Journal
PubTypeId: academicJournal
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Items – Name: Title
  Label: Title
  Group: Ti
  Data: Geochemical discrimination of Baekdusan and Kyushu obsidian using instrumental neutron activation analysis.
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  Label: Authors
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  Data: <searchLink fieldCode="AR" term="%22Jin%2C+Mi-Eun%22">Jin, Mi-Eun</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Sun%2C+Gwang-Min%22">Sun, Gwang-Min</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> gmsun@kaeri.re.kr</i><br /><searchLink fieldCode="AR" term="%22Jwa%2C+Yong-Joo%22">Jwa, Yong-Joo</searchLink><relatesTo>2</relatesTo> (AUTHOR)
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  Data: <searchLink fieldCode="JN" term="%22Journal+of+Radioanalytical+%26+Nuclear+Chemistry%22">Journal of Radioanalytical & Nuclear Chemistry</searchLink>. Dec2025, Vol. 334 Issue 12, p9187-9193. 7p.
– Name: Subject
  Label: Subjects
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  Data: <searchLink fieldCode="DE" term="%22Obsidian%22">Obsidian</searchLink><br /><searchLink fieldCode="DE" term="%22Analytical+geochemistry%22">Analytical geochemistry</searchLink><br /><searchLink fieldCode="DE" term="%22Archaeology%22">Archaeology</searchLink><br /><searchLink fieldCode="DE" term="%22Volcanology%22">Volcanology</searchLink><br /><searchLink fieldCode="DE" term="%22Volcanoes%22">Volcanoes</searchLink><br /><searchLink fieldCode="DE" term="%22Nuclear+activation+analysis%22">Nuclear activation analysis</searchLink>
– Name: SubjectGeographic
  Label: Geographic Terms
  Group: Su
  Data: <searchLink fieldCode="DE" term="%22Korea%22">Korea</searchLink><br /><searchLink fieldCode="DE" term="%22Japan%22">Japan</searchLink><br /><searchLink fieldCode="DE" term="%22Kyūshū+Region+%28Japan%29%22">Kyūshū Region (Japan)</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: Obsidian is a key research subject in geological studies on volcanic activity and magmatic processes as well as in provenance research in archeology. In this study, the geochemical characteristics of obsidian samples from Baekdusan (Korea) and Kyushu (Japan) were compared to better understand their formation processes and regional differences. Instrumental Neutron Activation Analysis (INAA) of the minor and trace element compositions of the samples revealed distinct geochemical signatures specific to each region. These differences reflect variations in the magma composition, cooling rate, and tectonic settings. Furthermore, geochemical "fingerprinting" of obsidian provides valuable insights for tracing the provenance of archaeological artifacts. The INAA-based analytical tool provides deeper insight into geological processes and prehistoric cultural exchange networks. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Journal of Radioanalytical & Nuclear Chemistry is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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RecordInfo BibRecord:
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      – Type: doi
        Value: 10.1007/s10967-025-10446-y
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      – Code: eng
        Text: English
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        PageCount: 7
        StartPage: 9187
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      – SubjectFull: Obsidian
        Type: general
      – SubjectFull: Analytical geochemistry
        Type: general
      – SubjectFull: Archaeology
        Type: general
      – SubjectFull: Volcanology
        Type: general
      – SubjectFull: Volcanoes
        Type: general
      – SubjectFull: Nuclear activation analysis
        Type: general
      – SubjectFull: Korea
        Type: general
      – SubjectFull: Japan
        Type: general
      – SubjectFull: Kyūshū Region (Japan)
        Type: general
    Titles:
      – TitleFull: Geochemical discrimination of Baekdusan and Kyushu obsidian using instrumental neutron activation analysis.
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            NameFull: Jin, Mi-Eun
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            NameFull: Sun, Gwang-Min
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            NameFull: Jwa, Yong-Joo
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            – D: 01
              M: 12
              Text: Dec2025
              Type: published
              Y: 2025
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              Value: 334
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