Abstract
RECENT studies at Aberystwyth have shown that Palaeozoic rocks extend as a gently sloping platform (below a cover of sediment or drift) 16 km seawards of the coast of south-western Wales, up to 18 km to the south of the coast of Ireland, and some 15 km north-west of Cornwall. Sparker traverses1 show this platform to be, in general, smoothly planed with its outer margin descending to at least 80 m. Former islands, now submerged, occur; as, for example, in St. Bride's Bay and off Tuskar Rock. Westwards of the Camel estuary the platform continues unbroken across the fault which throws Cretaceous rocks against the Palaeozoic. Shorewards no definite submerged cliff line has so far been traced and in some cases at least, the cliff line may be coincident with the outer edge of the modern coastal platform, or even the modern cliff2.
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WOOD, A. Submerged platform of marine abrasion around the coasts of south-western Britain. Nature 252, 563 (1974). https://doi.org/10.1038/252563a0
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DOI: https://doi.org/10.1038/252563a0
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