Paleogene volcanism.
Title from caption.
Subtitle on cover: Iona, Small Isles, St Kilda, Scotland, Rathlin Island, Staffa, Ulva, Faroe Islands, Rùm, Giant's Causeway, Eigg, Cuillin, Fingal's Cave, Sgurr Dearg, Slemish, An Sgurr, Great Meteor Hotspot track, Thulean Plateau.