Published online by Cambridge University Press: 01 May 2009
The accompanying section represents the passage of the Red Chalk, of Speeton, into an underlying bed of dark slaty clay.It exhibits a small section, which was visible in the cliff on the South of Speeton Beck, in September last.
page 13 note 1 On the Speeton Clay. By Judd, John W., Esq., F.G.S. Quart. Jour. Geol. Soc. vol. xxiv. p. 218.Google Scholar