Jackson, Ian. Cumbria Rocks — 60 extraordinary rocky places that tell the story of the Cumbrian landscape. Newcastle upon Tyne : Northern Heritage, 2022. The richly illustrated and accessible book series of Cumbria, Northumberland and Durham Rocks are available to purchase from Northern Heritage.
Volcanoes and molten rock
14 Armathwaite — Palaeogene dyke
15 Carrock Fell — "gabbro"
17 Eycott Hill — lavas and poss Cambrian fossils
18 High Cup Gill — Whin Sill
19 High Rigg — BVG Andesite phase 1
20 Pavey Ark — violent volcanics
21 Shap Granite — granite and its erratics
22 Threlkeld — granite and also Clough Head landslip
23 Tilberthwaite — cleavage, sediment deformation and faulting in green slates