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Geomorphic evidence for patterns of late Midlandian ice advance and retreat in the Omagh Basin

Jasper Knight

Abstract


Field mapping of late Midlandian-age glacial landforms in the Omagh Basin, north-central Ireland, reveals complex and superimposed bedform patterns. On the basis of this field evidence, stages of glaciation and regional-scale ice retreat are reconstructed. Bedform patterns suggest that (1) bedform shaping took place in several temporally-distinct phases within the overall late Midlandian glacial cycle; and (2) ice centres were mobile and changed their basal thermal and hydraulic characteristics throughout the glaciation.


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DOI: https://doi.org/10.2014/igj.v36i1.223

URN: http://nbn-resolving.de/urn:irg:ie:0000-igj.v36i1.2238

URN (PDF): http://nbn-resolving.de/urn:irg:ie:0000-igj.v36i1.223.g1909

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