Find another word for devonian. In this page you can discover 2 synonyms, antonyms, idiomatic expressions, and related words for devonian, like: Devonian period and Age of Fishes.
The Devonian system includes a complex series of deposits, which are of most interest in eastern Australia.
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.
The Devonian dolomites, limestones and red sandstones cover immense tracts and appear on the surface over a much wider area.