Note 459 — Chapter XXVII · GEOLOGICAL STRUCTURE OF THE CARBONIFEROUS PUYS OF SCOTLAND
Reading edition
See Geol. Surv. Memoir of Edinburgh, p. 45. These tuffs are further described on pp. 465 et seq.
Reading edition
See Geol. Surv. Memoir of Edinburgh, p. 45. These tuffs are further described on pp. 465 et seq.