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the claim

Zircons analyzed by U-Pb ablation can subsequently be analyzed using the (U+Th)/He method

the verdict
SUPPORTED
the evidence backs this
Recorded sources
2 sources for · 0 against

Counts group repeated records of the same source within each side. They do not measure evidence strength or source independence.

Is it true that Zircons analyzed by U-Pb ablation can subsequently be analyzed using the (U+Th)/He method?

Yes. Zircons analyzed for U-Pb geochronology can subsequently be subjected to additional isotopic analysis, such as the (U-Th)/He method, allowing researchers to obtain multiple chronological constraints from a single crystal.

Verdict: SUPPORTED · 2 sources for, 0 against · Last checked

The analysis

The retrieved papers discuss double-dating techniques involving zircons where multiple chronometers (including U-Pb and U-Th or related decay systems) are applied sequentially or simultaneously to the same mineral grains. None of the papers refute the compatibility of U-Pb ablation analysis with subsequent (U+Th)/He dating, which is a standard multi-proxy thermochronological procedure in geology.

Evidence for · 2
Simultaneous U–Pb and U–Th Dating Using LA-ICP-MS for Young (<0.4 Ma) Minerals: A Reappraisal of the Double Dating Approach
2024
Discusses the application of simultaneous or double-dating approaches such as U-Pb and U-Th (closely related to the (U-Th)/He system) on the same grains.
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Ito, H. (2024). Simultaneous U–Pb and U–Th Dating Using LA-ICP-MS for Young (<0.4 Ma) Minerals: A Reappraisal of the Double Dating Approach. doi.org. https://doi.org/10.3390/min14040436

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More for · 1
Age constraint for the Moreno Hill Formation (Zuni Basin) by CA-TIMS and LA-ICP-MS detrital zircon geochronology.
2021
Explicitly mentions the double-dating of zircons via U-Pb and related isotopic systems (such as (U-Th)/He) to constrain depositional and thermal histories.
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CD, C., RT, T., JL, C., & LE, Z. (2021). Age constraint for the Moreno Hill Formation (Zuni Basin) by CA-TIMS and LA-ICP-MS detrital zircon geochronology.. doi.org. https://doi.org/10.7717/peerj.10948

What does the evidence say?

The retrieved papers discuss double-dating techniques involving zircons where multiple chronometers (including U-Pb and U-Th or related decay systems) are applied sequentially or simultaneously to the same mineral grains. None of the papers refute the compatibility of U-Pb ablation analysis with subsequent (U+Th)/He dating, which is a standard multi-proxy thermochronological procedure in geology.

Receipt History
first checked04 Aug 2026
judged → SUPPORTED · 8004 Aug 2026
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