Sentence examples for lower cretaceous from inspiring English sources

The dam and its associated concrete structures are mainly founded on limestone and shale of the Shoorigeh formation of Upper Jurassic to Lower Cretaceous age and limestone and sandstone of the Tirgan formation of Lower Cretaceous age.

The earliest member of the extinct suborder Pachyrhizodontoidei is Rhacolepis (from the Lower Cretaceous of Brazil).

In fact, he said, the Lagosteiros cliffs are one of the richest sites in Europe for dinosaur tracks from the Lower Cretaceous, about 70 million years ago.

The Cyclostomata arose in the Paleozoic, flourished during the Jurassic (about 200 million to 146 million years ago) and Lower Cretaceous, and still survive.

Right Elcanid from the Lower Cretaceous Crato Formation of Brazil.

The Lower Cretaceous (Aptian) Dariyan Formation comprises the uppermost portion of the Upper Jurassic to Lower Cretaceous Khami Group (James and Wynd 1965).

Its potential source rocks include the Lower Cretaceous Aershan, Tenggeer and Duhongmu 1 Formations.

The Lower Cretaceous Abu Gabra Formation formed during the first of three rifting cycles.

It is a fluvial deposits formed under continental sedimentary environments during the Lower Cretaceous period.

The Nahr Umr formation comprises a lower Cretaceous Albian clastic unit.

It is considered the most important reservoir sequence along with the Lower Cretaceous sandy Rutba formation.