1911 Encyclopædia Britannica, Volume 10… (1911)
“ His “Observations on some of the Strata between the Chalk and the Oxford Oolite, in the South-east of England” (Trans. Geol. Soc. ser. 2, vol. iv.) embodied a series of researches extending from 1824 to 1836, and form the classic memoir familiarly known as Fitton’s “Strata below the Chalk.” In this great work he established the true succession and relations of the Upper and Lower Greensand, and of the Wealden and Purbeck formations, and elaborated their detailed structure. ”
