Articles | Volume 6, issue 3
https://doi.org/10.5194/gchron-6-465-2024
© Author(s) 2024. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/gchron-6-465-2024
© Author(s) 2024. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Short communication/technical note
| 
08 Aug 2024
Short communication/technical note |
| 08 Aug 2024
| 08 Aug 2024
Technical note: RA138 calcite U–Pb LA-ICP-MS primary reference material
Marcel Guillong
CORRESPONDING AUTHOR
Department of Earth and Planetary Sciences, ETH Zürich, 8092 Zurich, Switzerland
Elias Samankassou
Department of Earth Sciences, University of Geneva, 1205 Geneva, Switzerland
Inigo A. Müller
Department of Earth Sciences, University of Geneva, 1205 Geneva, Switzerland
Dawid Szymanowski
Department of Earth and Planetary Sciences, ETH Zürich, 8092 Zurich, Switzerland
Nathan Looser
Department of Earth and Planetary Sciences, ETH Zürich, 8092 Zurich, Switzerland
Lorenzo Tavazzani
Department of Earth and Planetary Sciences, ETH Zürich, 8092 Zurich, Switzerland
Óscar Merino-Tomé
Departamento de Geología, Universidad de Oviedo, Oviedo, Spain
Juan R. Bahamonde
Departamento de Geología, Universidad de Oviedo, Oviedo, Spain
Yannick Buret
Imaging and Analysis Centre, Natural History Museum, London, UK
Maria Ovtcharova
Department of Earth Sciences, University of Geneva, 1205 Geneva, Switzerland
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Cited
11 citations as recorded by crossref.
- An astronomically validated U–Pb reference material for dating Quaternary speleothems J. Wang et al. https://doi.org/10.1039/D5JA00244C
- Episodic records of deep microbial methanogenesis throughout the Caledonian mountain range exhumation F. van Dam et al. https://doi.org/10.1038/s43247-026-04000-1
- Fault and fracture response to Neogene extension in the western Delaware Basin, Texas D. Ferrill et al. https://doi.org/10.1016/j.jsg.2026.105675
- Calcite TLM as a new natural reference material for in situ U-Pb geochronology and its geological implications T. Li et al. https://doi.org/10.1016/j.chemgeo.2025.123230
- Early cements in ammonites as seawater UPb and 87Sr/86Sr archives to constrain oceanic anoxic events in Earth's history S. Gamarra-Caicedo et al. https://doi.org/10.1016/j.chemgeo.2026.123566
- U–Pb dating on calcite paleosol nodules: first absolute age constraints on the Miocene continental succession of the Paris Basin V. Monchal et al. https://doi.org/10.5194/gchron-7-139-2025
- Timing of inversion of the Weald–Boulonnais basin inferred from calcite U–Pb geochronology of brittle structures along the Opal Coast, northern France T. Blaise et al. https://doi.org/10.1144/jgs2024-222
- Carbonate U-Pb dating potential for chronostratigraphy – Insights from the Maastrichtian-Danian lacustrine Yacoraite Fm. (Salta Rift) M. Gasparrini et al. https://doi.org/10.1016/j.palaeo.2026.113625
- Widespread post-Marinoan transgression over the Amazonian Craton margin revealed by isotope geochemistry and in situ U-Pb carbonate ages M. Campos et al. https://doi.org/10.1016/j.gr.2026.04.005
- A matter of time: advances in isotope dilution and laser ablation U–Th and U–Pb dating of speleothems and other terrestrial carbonates R. Weij & T. Edwards https://doi.org/10.1016/j.quascirev.2025.109666
- Structural controls on lithium-bearing fluid flow in Clayton Valley, Nevada A. Cawood et al. https://doi.org/10.5194/se-17-991-2026
11 citations as recorded by crossref.
- An astronomically validated U–Pb reference material for dating Quaternary speleothems J. Wang et al. https://doi.org/10.1039/D5JA00244C
- Episodic records of deep microbial methanogenesis throughout the Caledonian mountain range exhumation F. van Dam et al. https://doi.org/10.1038/s43247-026-04000-1
- Fault and fracture response to Neogene extension in the western Delaware Basin, Texas D. Ferrill et al. https://doi.org/10.1016/j.jsg.2026.105675
- Calcite TLM as a new natural reference material for in situ U-Pb geochronology and its geological implications T. Li et al. https://doi.org/10.1016/j.chemgeo.2025.123230
- Early cements in ammonites as seawater UPb and 87Sr/86Sr archives to constrain oceanic anoxic events in Earth's history S. Gamarra-Caicedo et al. https://doi.org/10.1016/j.chemgeo.2026.123566
- U–Pb dating on calcite paleosol nodules: first absolute age constraints on the Miocene continental succession of the Paris Basin V. Monchal et al. https://doi.org/10.5194/gchron-7-139-2025
- Timing of inversion of the Weald–Boulonnais basin inferred from calcite U–Pb geochronology of brittle structures along the Opal Coast, northern France T. Blaise et al. https://doi.org/10.1144/jgs2024-222
- Carbonate U-Pb dating potential for chronostratigraphy – Insights from the Maastrichtian-Danian lacustrine Yacoraite Fm. (Salta Rift) M. Gasparrini et al. https://doi.org/10.1016/j.palaeo.2026.113625
- Widespread post-Marinoan transgression over the Amazonian Craton margin revealed by isotope geochemistry and in situ U-Pb carbonate ages M. Campos et al. https://doi.org/10.1016/j.gr.2026.04.005
- A matter of time: advances in isotope dilution and laser ablation U–Th and U–Pb dating of speleothems and other terrestrial carbonates R. Weij & T. Edwards https://doi.org/10.1016/j.quascirev.2025.109666
- Structural controls on lithium-bearing fluid flow in Clayton Valley, Nevada A. Cawood et al. https://doi.org/10.5194/se-17-991-2026
Saved (final revised paper)
Latest update: 11 Sep 2026
Short summary
RA138 is a new reference material for U–Pb dating of carbonate samples via laser ablation inductively coupled plasma mass spectrometry. RA138 exhibits variable U–Pb ratios and consistent U content, resulting in a precise isochron with low uncertainty. Isotope dilution thermal ionization mass spectrometry analyses fix a reference age of 321.99 ± 0.65 Ma. This research advances our ability to date carbonate samples accurately, providing insights into geological processes and historical timelines.
RA138 is a new reference material for U–Pb dating of carbonate samples via laser ablation...
