The Ancient Volcanoes of Great Britain, Volume 1 (of 2)
CHAPTER VIII
Pre-Cambrian Volcanoes
The Beginnings of Geological History--Difficulties in fixing on a generally applicable Terminology--i. The Lewisian (Archæan) Gneiss; ii. The Dalradian or Younger Schists of Scotland; iii. The Gneisses and Schists of Anglesey; iv. The Uriconian Volcanoes; v. The Malvern Volcano; vi. The Charnwood Forest Volcano 109