We went for a short walk today, to Fast Castle, a small ruin on the coast between Dunbar and St. Abbs. There isn’t a lot of castle left; we really went there to look at the nesting seabirds, such as this handsome razorbill. Fast Castle isn’t that far from Dunbar, but it is far enoughContinue reading Silurian and Devonian: Hutton’s unconformity