Abstract
The deglacial landscape in the region of the Curragh of Kildare, in the south-eastern Midlands of Ireland, is dominated by glaciofluvial and glaciolacustrine deposits including subaqueous fan, esker and glaciofluvial outwash sediments. These are frequently overlain by a diamicton of local origin. Preliminary analyses on the sediments in the region suggest that there were two ice margins, from which glaciofluvial and glaciolacustrine sediments were deposited in an ice marginal lake. The spatial relationships between deglacial deposits and the interpreted depositional environment suggest the separation of retreating ice margins. It is likely that the margins were those of two ice lobes linked to the same ice sheet and that the sediments were deposited into an interlobate lake that formed during deglaciation. The former ice margin positions are indicated by the location of proglacial ice contact sediments close to the Curragh. These take the form of subaqueous fans. At a late stage, the ice margins re-advanced over the glaciolacustrine sediments reworking the surface gravels, disturbing the lower sediments by faulting and shearing, and finally depositing the re-worked gravels as an overlying gravelly diamicton.
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