Devonian rocks

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• Devonian — De*vo ni*an, a. (Geol.) Of or pertaining to Devon or Devonshire in England; as, the Devonian rocks, period, or system. [1913 Webster] {Devonian age} (Geol.), the age next older than the Carboniferous and later than the Silurian; called also the… …   The Collaborative International Dictionary of English

• Devonian age — Devonian De*vo ni*an, a. (Geol.) Of or pertaining to Devon or Devonshire in England; as, the Devonian rocks, period, or system. [1913 Webster] {Devonian age} (Geol.), the age next older than the Carboniferous and later than the Silurian; called… …   The Collaborative International Dictionary of English

• Devonian Period — Interval of geologic time from 417 to 354 million years ago; it was the fourth period of the Paleozoic Era. During the Devonian, a giant continent was situated in the Southern Hemisphere (see Gondwana), and other landmasses were located in the… …   Universalium

• Devonian — [di vō′nē ən] adj. 1. of Devon, England 2. [sometimes d ] designating or of the fourth geologic period of the Paleozoic Era, characterized by the development of the first ferns, mosses, gymnosperms, sharks, bony fishes, amphibians, and wingless… …   English World dictionary

• Devonian — For the Celtic language, see Southwestern Brythonic language; for the residents of the English county, see Devon. Devonian Period 416–359.2 million years ago …   Wikipedia

• Devonian — adjective Etymology: Devon, England Date: 1612 1. of or relating to Devonshire, England 2. of, relating to, or being the period of the Paleozoic era between the Silurian and the Mississippian or the corresponding system of rocks see geologic time …   New Collegiate Dictionary

• Devonian — /dəˈvoʊniən / (say duh vohneeuhn) adjective 1. relating to a geological period or a system of rocks following the Silurian and preceding the Carboniferous. –noun 2. the Devonian period or system …  

• Late Devonian extinction — …   Wikipedia

• Age of fishes — Devonian De*vo ni*an, a. (Geol.) Of or pertaining to Devon or Devonshire in England; as, the Devonian rocks, period, or system. [1913 Webster] {Devonian age} (Geol.), the age next older than the Carboniferous and later than the Silurian; called… …   The Collaborative International Dictionary of English

• Silurian Period — Interval of geologic time, 443–417 million years ago. The third period of the Paleozoic Era, the Silurian follows the Ordovician Period and precedes the Devonian. It marks the first appearance of land plants and jawed fishes. The continents were… …   Universalium

• Geology of the Iberian Peninsula — The geology of the Iberian Peninsula consists of the study of the rock formations on the Iberian Peninsula, which includes Spain, Portugal, Andorra, and Gibraltar. The peninsula contains rocks from every age from Ediacaran to Recent, and almost… …   Wikipedia