The Ancient Volcanoes of Great Britain, Volume 1 (of 2)

Note 454 — Chapter XXVII · GEOLOGICAL STRUCTURE OF THE CARBONIFEROUS PUYS OF SCOTLAND

Reading edition

Prof. Jas. Geikie, Mem. Geol. Surv. Scotland, Explanation of Sheet 23, p. 39.

Explore with AITake your curiosity a little further.