Geochronology
Geochronology
GChron
Articles | Volume 2, issue 2
Articles | Volume 2, issue 2
https://doi.org/10.5194/gchron-2-343-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.
Special issue:
https://doi.org/10.5194/gchron-2-343-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 2, issue 2
Research article
 | 
23 Nov 2020
Research article |  | 23 Nov 2020

Expanding the limits of laser-ablation U–Pb calcite geochronology

Andrew R. C. Kylander-Clark

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Short summary
This paper serves as a guide to those interested in dating calcite by laser ablation. Within it are theoretical and practical limits of U and Pb concentrations (and U / Pb ratios), which would allow viable extraction of ages from calcite (and other minerals with moderate U / Pb ratios), and which type of instrumentation would be appropriate for any given sample. The method described uses a new detector array, allowing for lower detection limits and thereby expanding the range of viable samples.
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Special issue
In situ carbonate U–Pb geochronology