Bassiouni, M. A. [محمد الامين بسيوني]; Sharaby, S.; Faris, M. (
Qatar University
, 1991 , Article)
On terms of calcareous nannofossils, the late Maastrichtian and Paleocene sediments were subdivided into several biozones. The Cretaceous-Tertiary boundary is marked by a hiatus concerning the latest Maastrichtian and the ...