Articles | Volume 3, issue 1
Geochronology, 3, 103–122, 2021
https://doi.org/10.5194/gchron-3-103-2021

Special issue: In situ carbonate U–Pb geochronology

Geochronology, 3, 103–122, 2021
https://doi.org/10.5194/gchron-3-103-2021

Research article 16 Feb 2021

Research article | 16 Feb 2021

Tools for uranium characterization in carbonate samples: case studies of natural U–Pb geochronology reference materials

E. Troy Rasbury et al.

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Interactive discussion

Status: closed
Status: closed
AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment
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Peer-review completion

AR: Author's response | RR: Referee report | ED: Editor decision
ED: Publish subject to minor revisions (further review by editor) (16 Nov 2020) by Nick Roberts
AR by Troy Rasbury on behalf of the Authors (25 Nov 2020)  Author's response
ED: Publish as is (30 Nov 2020) by Nick Roberts
ED: Publish subject to technical corrections (01 Dec 2020) by Klaus Mezger(Editor)
AR by Troy Rasbury on behalf of the Authors (09 Dec 2020)  Author's response    Manuscript
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Short summary
We characterize three natural carbonate samples with elevated uranium/lead (U/Pb) ratios to demonstrate techniques improving the understanding of U incorporation in carbonates for U/Pb dating. With the rapidly accelerating application of laser ablation analyses, there is a great need for well-characterized reference materials that can serve multiple functions. Strontium (Sr) isotope analyses and U XANES demonstrate that these samples could be used as reference materials.