Sentence Examples

  • The Devonian system includes a complex series of deposits, which are of most interest in eastern Australia.
  • The Lower Devonian beds are in the main terrestrial, or coarse littoral deposits, and volcanic rocks.
  • The Upper Devonian was a period of marine retreat; the crustal disturbances of the Lower Devonian were renewed and great quartz-pebble beaches were formed on the rising shore lines, producing the West Coast Range conglomerates of Tasmania, and the similar rocks to the south-east of Mansfield in Victoria.
  • The coal-seams must have been formed in wellwatered, lowland forests, at the foot of a high mountain range, built up by the Devonian earth movements.
  • The oldest rocks of Elba consist of schist and serpentine which in the eastern part of the island are overlaid by beds containing Silurian and Devonian fossils.

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