Late- and Post-Glacial Shorelines, and Ice Limits in Argyll and North-East Ulster

An analysis of the Late- and Post-glacial shorelines in Argyll and North-east Ulster show that they are arranged in a series veering westward. The older shorelines are more highly tilted than the younger ones. By means of shoreline diagrams the Late-glacial series is related to particular glacial st...

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Bibliographic Details
Published in:Transactions - Institute of British Geographers (1965) 1966-10 (39), p.101-125
Main Authors: Synge, F. M., Stephens, N.
Format: Article
Language:English
Subjects:
Beaches
Coasts
Glaciation
Glaciers
Ice
Moraines
Peat
Shorelines
Terraces
Transgression
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Summary:An analysis of the Late- and Post-glacial shorelines in Argyll and North-east Ulster show that they are arranged in a series veering westward. The older shorelines are more highly tilted than the younger ones. By means of shoreline diagrams the Late-glacial series is related to particular glacial stages, and the Post-glacial series is dated by means of radiocarbon assay or pollen analysis of associated peat deposits. The results of this analysis, applied to Scotland, as a whole, suggest that originally the ice cap of the last glaciation straddled the North Channel. The rising sea-level during deglaciation caused a bipartition of the original ice-cap into Scottish and Irish centres, as isostatic uplift was taking place. This uplift, at an ever decreasing rate, continued into Post-glacial time. The highest Post-glacial strandlines were found to be progressively younger away from the main axis of glaciation, confirming W. B. Wright's isokinetic theory.
ISSN:0020-2754
1475-5661
DOI:10.2307/621679