Land snail lineages suggest a Mesolithic-era human migration from Iberia to Ireland: http://journals.plos.org/plosone/article?id=10.1371/journal.pone.0065792 …pic.twitter.com/ee9bImoOit
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Interestingly, Ireland's coast seems to have reached current profile, or close to it, much more rapidly than North Sea coast.
Similarly from Belfast to Manchester over Mannin, bottom of shallow seas on sandbanks around estuaries often visible.
A remarkable flight from Belfast to NCL, [best in light aircraft] Hard to tell sometimes what’s land and what’s Solway Firth.
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