J. D. Peacock, M. Armstrong, M. A. E. Browne, N. R. Golledge & M. S. Stoker write: We are unable to support the view of McCabe et al. (2007) that there were significant readvances of the Scottish Ice-sheet at Lunan Bay and near Perth. The authors provide no criteria for readvances of glaciers such as terminal moraines, a second till and/or deforming bed, and rafting and overriding of marine sediments. However, we believe that the four new 14C dates in their table 1 are useful additions to knowledge.

The supposed Perth Readvance in the type area. We...

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