Sentence Examples


  • Diabases pierce to Devonian rocks, and olivine rocks appear as dykes amidst the Triassic deposits.
  • Triassic slates appear in the south-east.
  • The Permian and Triassic deposits were also, for the most part, of continental origin; but with the formation of the Rhaetic beds the sea again began to spread, and throughout the greater part of the J ueassic period it covered nearly the whole of the country except the Central Plateau, Brittany and the Ardennes.
  • In the Triassic rocks of Switzerland remains of weevils (Curculionidae) occur, a family which is considered by many students the most specialized of the order.
  • And when we know that the Chrysomelidae and Buprestidae also lived in Triassic, and the Carabidae, Elateridae, Cerambycidae and Scarabaeidae, in Liassic times, we cannot doubt that the great majority of our existing families had already been differentiated at the beginning of the Mesozoic epoch.
 

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