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M6, a monazite reference material for fission-track thermochronology.

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Title: M6, a monazite reference material for fission-track thermochronology.
Authors: Pang, Jianzhang1 (AUTHOR) pangjz@ies.ac.cn, Ma, Yan1 (AUTHOR), Zheng, Dewen1 (AUTHOR), Li, Weixing2 (AUTHOR), Zhang, Zhiyong3 (AUTHOR), Yang, Jing4 (AUTHOR), Zhang, Huiping1 (AUTHOR), Wang, Ying1 (AUTHOR), Ma, Xi1 (AUTHOR), Yu, Jingxing1 (AUTHOR), Wang, Yizhou1 (AUTHOR), Li, Chaopeng1 (AUTHOR)
Source: JAAS (Journal of Analytical Atomic Spectrometry). Jun2026, Vol. 41 Issue 6, p2012-2023. 12p.
Subjects: Monazite, Fission track dating, Geomorphology, Elemental analysis, Laser ablation inductively coupled plasma mass spectrometry, Calibration
Geographic Terms: Espírito Santo (Brazil : State), Brazil
Abstract: The newly established monazite fission track (MFT), with its ultra-low closure temperature (25–45 °C), offers a powerful tool for investigating the latest stage of rock exhumation and the geomorphic evolution of the uppermost crust. However, the absence of a well-characterized reference material has hindered the standardization and inter-laboratory reproducibility of MFT dating. Here, we evaluated the suitability of M6 monazite, a gem-quality megacryst from Espírito Santo, southeast Brazil, as a reference material for MFT dating. Independent age determination conducted by three laboratories, using different microscopes and analytical procedures, yields reproducible results within analytical uncertainty. Using an initial track length of 10.6 ± 0.19 µm, we obtain a weighted mean age of 3.90 ± 0.14 Ma (1SE; MSWD = 3.1). Furthermore, M6 also exhibits highly uniform uranium content and remarkably consistent cerium content (22.9 ± 0.4 wt%) which makes it an excellent compositional reference for U–Th concentration analysis via LA-ICP-MS. The M6 reference material thus holds significant potential for advancing MFT annealing kinetics studies and for developing integrated U–Pb, FT, (U–Th)/He and trace element multi-dating through simultaneous LA-ICP-MS analysis. [ABSTRACT FROM AUTHOR]
Copyright of JAAS (Journal of Analytical Atomic Spectrometry) is the property of Royal Society of Chemistry 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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  Availability: 0
Header DbId: egs
DbLabel: Engineering Source
An: 194455520
AccessLevel: 6
PubType: Academic Journal
PubTypeId: academicJournal
PreciseRelevancyScore: 0
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  Data: M6, a monazite reference material for fission-track thermochronology.
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  Data: <searchLink fieldCode="AR" term="%22Pang%2C+Jianzhang%22">Pang, Jianzhang</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> pangjz@ies.ac.cn</i><br /><searchLink fieldCode="AR" term="%22Ma%2C+Yan%22">Ma, Yan</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Zheng%2C+Dewen%22">Zheng, Dewen</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Li%2C+Weixing%22">Li, Weixing</searchLink><relatesTo>2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Zhang%2C+Zhiyong%22">Zhang, Zhiyong</searchLink><relatesTo>3</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Yang%2C+Jing%22">Yang, Jing</searchLink><relatesTo>4</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Zhang%2C+Huiping%22">Zhang, Huiping</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Wang%2C+Ying%22">Wang, Ying</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Ma%2C+Xi%22">Ma, Xi</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Yu%2C+Jingxing%22">Yu, Jingxing</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Wang%2C+Yizhou%22">Wang, Yizhou</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Li%2C+Chaopeng%22">Li, Chaopeng</searchLink><relatesTo>1</relatesTo> (AUTHOR)
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  Data: <searchLink fieldCode="JN" term="%22JAAS+%28Journal+of+Analytical+Atomic+Spectrometry%29%22">JAAS (Journal of Analytical Atomic Spectrometry)</searchLink>. Jun2026, Vol. 41 Issue 6, p2012-2023. 12p.
– Name: Subject
  Label: Subjects
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  Data: <searchLink fieldCode="DE" term="%22Monazite%22">Monazite</searchLink><br /><searchLink fieldCode="DE" term="%22Fission+track+dating%22">Fission track dating</searchLink><br /><searchLink fieldCode="DE" term="%22Geomorphology%22">Geomorphology</searchLink><br /><searchLink fieldCode="DE" term="%22Elemental+analysis%22">Elemental analysis</searchLink><br /><searchLink fieldCode="DE" term="%22Laser+ablation+inductively+coupled+plasma+mass+spectrometry%22">Laser ablation inductively coupled plasma mass spectrometry</searchLink><br /><searchLink fieldCode="DE" term="%22Calibration%22">Calibration</searchLink>
– Name: SubjectGeographic
  Label: Geographic Terms
  Group: Su
  Data: <searchLink fieldCode="DE" term="%22Espírito+Santo+%28Brazil+%3A+State%29%22">Espírito Santo (Brazil : State)</searchLink><br /><searchLink fieldCode="DE" term="%22Brazil%22">Brazil</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: The newly established monazite fission track (MFT), with its ultra-low closure temperature (25–45 °C), offers a powerful tool for investigating the latest stage of rock exhumation and the geomorphic evolution of the uppermost crust. However, the absence of a well-characterized reference material has hindered the standardization and inter-laboratory reproducibility of MFT dating. Here, we evaluated the suitability of M6 monazite, a gem-quality megacryst from Espírito Santo, southeast Brazil, as a reference material for MFT dating. Independent age determination conducted by three laboratories, using different microscopes and analytical procedures, yields reproducible results within analytical uncertainty. Using an initial track length of 10.6 ± 0.19 µm, we obtain a weighted mean age of 3.90 ± 0.14 Ma (1SE; MSWD = 3.1). Furthermore, M6 also exhibits highly uniform uranium content and remarkably consistent cerium content (22.9 ± 0.4 wt%) which makes it an excellent compositional reference for U–Th concentration analysis via LA-ICP-MS. The M6 reference material thus holds significant potential for advancing MFT annealing kinetics studies and for developing integrated U–Pb, FT, (U–Th)/He and trace element multi-dating through simultaneous LA-ICP-MS analysis. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of JAAS (Journal of Analytical Atomic Spectrometry) is the property of Royal Society of Chemistry 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.)
PLink https://search.ebscohost.com/login.aspx?direct=true&site=eds-live&db=egs&AN=194455520
RecordInfo BibRecord:
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    Identifiers:
      – Type: doi
        Value: 10.1039/d6ja00010j
    Languages:
      – Code: eng
        Text: English
    PhysicalDescription:
      Pagination:
        PageCount: 12
        StartPage: 2012
    Subjects:
      – SubjectFull: Monazite
        Type: general
      – SubjectFull: Fission track dating
        Type: general
      – SubjectFull: Geomorphology
        Type: general
      – SubjectFull: Elemental analysis
        Type: general
      – SubjectFull: Laser ablation inductively coupled plasma mass spectrometry
        Type: general
      – SubjectFull: Calibration
        Type: general
      – SubjectFull: Espírito Santo (Brazil : State)
        Type: general
      – SubjectFull: Brazil
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      – TitleFull: M6, a monazite reference material for fission-track thermochronology.
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            NameFull: Pang, Jianzhang
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            – D: 01
              M: 06
              Text: Jun2026
              Type: published
              Y: 2026
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