CRETACEOUS

Dictionary of Science, Literature and Art · 1854 · p. 8

(Lat. creta, chalk.) Composed of chalk. In Geology, the cretaceous group of rocks includes the upper strata of the secondary series, immediately below the tertiary deposits, and resting upon the oolitic group. (See Fitton, in Geol. Trans., 2d Series, vol. iv.) [s. 316]