The Ancient Volcanoes of Great Britain, Volume 2 (of 2)
CHAPTER XXXVI
The Plateaux
Nature and Arrangement of the Rocks: 1. Lavas.--Basalts, Dolerites, Andesites--Structure of the Lavas in the Field--2. Fragmental Rocks.--Agglomerates, Conglomerates, and Breccias--Tuffs and their accompaniments 181