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Jurassic   Listen
adjective
Jurassic  adj.  (Geol.) Of the age of the middle Mesozoic, about 190 to 140 million years ago, including, as divided in England and Europe, the Lias, Oölite, and Wealden; named from certain rocks of the Jura mountains. It was noted for the predominance of dinosaurs on land, and the development of the first birds and mammals.






Collaborative International Dictionary of English 0.48








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"Jurassic" Quotes from Famous Books



... comprises three systems,—the TRIASSIC, named from its threefold division in Germany; the JURASSIC, which is well displayed in the Jura Mountains; and the CRETACEOUS, which contains the extensive chalk (Latin, creta) ...
— The Elements of Geology • William Harmon Norton

... eyes upon us, opened its lizard-like mouth, emitted a shrill hiss and came for us. The thing must have been sixteen or eighteen feet in length and closely resembled pictures I had seen of restored plesiosaurs of the lower Jurassic. It charged us as savagely as a mad bull, and one would have thought it intended to destroy and devour the mighty U-boat, as I verily believe ...
— The Land That Time Forgot • Edgar Rice Burroughs

... crags; no musical rivulets flow down its sides, led carefully along the slopes, as in Switzerland, by the peasants, to keep their hay-crops green and gladden the thirsty turf throughout the heat and drought of summer. The soil is a Jurassic limestone: the rain penetrates the porous rock, and sinks through cracks and fissures, to reappear above the base of the mountain in a full-grown stream. This is a defect in the Generoso, as much to be regretted ...
— Sketches and Studies in Italy and Greece, Complete - Series I, II, and III • John Symonds

... hundred pterodactyls, or flying dragons, some with a spread of wings of twenty-five feet, and one thousand five hundred mosasaurs of the sea-serpent type, some of them sixty feet or more in length. In a single bed of Jurassic rock, not larger than a good-sized lecture-room, he found the remains of one hundred and sixty individuals of mammals, representing twenty species and nine genera; while beds of the same age have yielded three hundred reptiles, varying from the size of a rabbit to sixty ...
— A History of Science, Volume 3(of 5) • Henry Smith Williams

... mainly of underlying granite formation. The Jurassic, Cretaceous, and Tertiary Ages rocks are much in evidence throughout the country, whilst the highest ranges, as we have seen, are of volcanic origin. The singular plains of Yucatan are largely of calcareous formation, probably a Tertiary limestone. ...
— Mexico • Charles Reginald Enock

... iron ores of the United States and Newfoundland, the pre-Cambrian iron ores of Brazil, and the Jurassic iron ores of England and western Europe (pp. 166-167) are now commonly agreed to be direct sedimentary deposits in which mechanical agencies of sorting and deposition played a considerable part. How far chemical and bacterial agencies have also been effective is ...
— The Economic Aspect of Geology • C. K. Leith

... me that they are almost identical with the fossilized remains of the diplodocus of the outer crust's Jurassic age. I have to take his word for it—and I guess you will, unless you know more of such ...
— Pellucidar • Edgar Rice Burroughs

... more important, because, at the epoch of the gres bigarre, a marked change took place in the anatomical character of fishes. It presents an intermediate type between the primitive fishes of the ancient deposits and the more regular forms of the jurassic deposits. ...
— Louis Agassiz: His Life and Correspondence • Louis Agassiz



Words linked to "Jurassic" :   Jurassic period, pre-Jurassic, period



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