Ailsa Craig is an uninhabited island off the west coast of Scotland. Formed from the plug of a Paleogene volcano, the landmass reaches over 330 m height and ~ 3 km length, and can easily be seen from the Scottish mainland. The island comprises three types of granite: Ailsa Craig Common Green, Ailsa Craig Red Hone and Ailsa Craig Blue Hone (pictured below). The distinctive colouration of the latter ...[Read More]
Between a Rock and a Hard Place | riebekite granite
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Between a Rock and a Hard Place