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Devonian age

   Also found in: Wikipedia 0.01 sec.
(Geol.) the age next older than the Carboniferous and later than the Silurian; - called also the Age of fishes. The various strata of this age compose the Devonian formation or system, and include the old red sandstone of Great Britain. They contain, besides plants and numerous invertebrates, the bony portions of many large and remarkable fishes of extinct groups. See the Diagram under Geology.

See also: Devonian


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If Hartz and his colleagues are right, however, that will raise questions about the Devonian age of other early tetrapods, say paleontologists.
Finds undermine dating of early land life by Monastersky, Richard / Science News
Primary oil targets will include the Mission Canyon & McGowan formations at 5000 - 8000 feet; the Devonian Age Baaken & Nisku formations at 7000 - 9000 feet.
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FME's 11 exploration permits, totaling 4,874 km2, cover Upper Devonian to Lower Carboniferous sediments/volcanics and their unconformable contact with underlying Palaeoproterozoic metasediments, and granitoids of Proterozoic and Silurian to Early Devonian ages.
Mega to Acquire Additional Uranium Resources in Queensland, Australia by Business Wire
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