Geochronology
Geochronology
GChron
Articles | Volume 8, issue 2
Articles | Volume 8, issue 2
https://doi.org/10.5194/gchron-8-329-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/gchron-8-329-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 8, issue 2
Research article
 | 
05 Jun 2026
Research article |  | 05 Jun 2026

Testing current estimates of the in situ cosmogenic 10Be production rate in the north-western British Isles, with implications for ice sheet behaviour during Termination 1

Gordon R. M. Bromley, Brenda L. Hall, Aaron E. Putnam, and Thomas V. Lowell

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Short summary
Cosmogenic surface-exposure dating relies on accurate constraint of nuclide production rates. To improve dating resolution, we compare 10Be concentrations in deglacial surfaces in Scotland to local 14C targets to test the performance of 8 production rates. Of these, the Rannoch Moor rate from central Scotland gives the best fit with the 14C; others under-predict exposure age by up to 7 %. Our 10Be record also shows retreat of the last ice sheet was disrupted by a brief pause ~16 200 years ago.
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