CRETACEOUS SYSTEM

the division of secondary of Mesozoic lying conformably (v7.e., the planes of the strata being the Jura ic rocks, and overlaid formably by the Lower Eocene It derives its name from the chalk rocks (Lat. creta) which most conspicuous feature. It po ible to characterize certain or stages by the distinctive fo il especially Foraminifera and pod a, found in them. Above is cla ification of the principal corresponding to cretaceous throughout the world, while sub-stages are particularly value. The cretaceous system developed in Britain, Central Europe, W. Asia, N. Siberia, Moluccas, N. Australia, New N. and EH. Africa, N. and 8S. (especially on the W. side). GEoLoey.