Drawings and notes on geology, largely from the north of Scotland, including Peterhead, Ullapool, Sutherland, Assynt, and Lochs Torridon, Maree and Broom. References are made to the granite at Aberdeen, the sand at Forres and Banffshire limestone, amongst other things.

Notes for 4 lectures on the 'Volcanic History of Britain', given to the Royal Institution in 1886. Sir Archibald Geikie looked at the emergence of types of geological formations against a geological timeframe and how they have been affected by various processes, especially the action of volcanoes and materials produced by them, within the natural world. He used examples from numerous locations from different parts of the British Isles.