Note 58 — Chapter VIII · PRE-CAMBRIAN VOLCANOES
Reading edition
The supposed tuff referred to in Quart. Journ. Geol. Soc. vol. xlviii. (1892), p. 168, is probably not of truly volcanic origin.
Reading edition
The supposed tuff referred to in Quart. Journ. Geol. Soc. vol. xlviii. (1892), p. 168, is probably not of truly volcanic origin.