| 单词 | cretaceous |
| 例句 | Earliest known mammalian stapes from an early cretaceous eutriconodontan mammal and implications for evolution of mammalian middle ear. A Jurassic gliding euharamiyidan mammal with an ear of five auditory bones 2017-11-12T05:00:00Z American Ninja Warrior turned into Jurassic Park when a “carnivore from the cretaceous period” invaded the obstacle course—a Tyrannosaurus Rex. A T. Rex And His Tiny Arms Competed on 'American Ninja Warrior' 2016-06-14T04:00:00Z For the animals of the late cretaceous, S. electri was probably not very good eating. Extinct plant species discovered in amber - BBC News 2016-02-15T05:00:00Z However, that the jawbones of a cretaceous snake from North America suggest that it might be the earliest snake on record. First Prehistoric Snake Slithered Out on Land-Not at Sea 2012-07-25T17:45:00.253Z Five miles below sea level, and beneath a shifting layer of cretaceous salt deposits, the discoveries have been estimated at 50 billion to 100 billion barrels. How Brazil Is Making an Example of Chevron 2012-05-10T23:16:14Z The edge of the great cretaceous formation which forms the major portion of the western country, is here entered on for the first time, and a new strange world seems to open up. Early Days in North Queensland 2012-01-24T03:00:29.987Z The leading geological characteristics of the district are the uplifted limestones of the older cretaceous age which form the main mass of the mountains. ASCE 1193: The Water-Works and Sewerage of Monterrey, N. L., Mexico The 4th article from the June, 1911, Volume LXXII, Transactions of the American Society of Civil Engineers. Paper No. 1193, Feb. 1, 1911. 2012-01-02T03:00:24.717Z The limestones and dolomites of the upper cretaceous age are also found in various localities mixed with tertiary limestone and sandstone as well as conglomerates, dolomites, and limestones of the lower cretaceous age. Guatemala, the country of the future 2011-12-12T03:00:29.630Z Fossil remains of persimmon trees are found in the miocene rocks of Greenland and Alaska, and in the later cretaceous beds uncovered in Nebraska. Trees Worth Knowing 2011-10-13T02:00:48.357Z Hence such a word as “chalk” or “cretaceous” does not suggest so much to us the group of strata so called as the interval of geological history which these strata represent. Encyclopaedia Britannica, 11th Edition, Volume 11, Slice 6 "Geodesy" to "Geometry" 2011-09-19T02:00:10.473Z Westward from the Dividing Range, “Desert Sandstone” and the cretaceous and oolitic groups alternate one with the other to the extreme limit of the colony. Early Days in North Queensland 2012-01-24T03:00:29.987Z It is not until Paris has been left behind that the river begins to wash the bold white ramparts of the cretaceous beds. France 2011-03-27T02:00:11.847Z And when they nearly disappeared with the cretaceous period, there was created another race with carnivorous propensities and organs, called trachelipods; and those continue still to swarm in the ocean. The Religion of Geology and Its Connected Sciences 2011-02-28T03:00:28.890Z The rocks of the tertiary and cretaceous periods preserved in fossils the story of these pre-glacial forests. Trees Worth Knowing 2011-10-13T02:00:48.357Z The tertiary period began with the close of the cretaceous. A Manual of the Antiquity of Man 2011-02-21T03:00:07.080Z He appears, however, to have confounded strata of very different ages, tertiary rocks with cretaceous and jurassic. The Thistle and the Cedar of Lebanon 2011-02-20T03:00:13.767Z Their southern edge is covered with cretaceous deposits, and their eastern edge is covered as well with the tertiary deposits of the Gulf plains. Encyclopaedia Britannica, 11th Edition, Volume 2, Slice 5 "Arculf" to "Armour, Philip" Anthracites of newer, tertiary or cretaceous age, are found in the Crow’s Nest part of the Rocky Mountains in Canada, and at various points in the Andes in Peru. Encyclopaedia Britannica, 11th Edition, Volume 2, Slice 2 "Anjar" to "Apollo" The lowest cretaceous rocks yet found are composed of an arkose, derived in large part from the original igneous mass. The History of Cuba, vol. 1 The long range of rocky precipices often constituting rather lofty escarpments, along the northern borders of the valley of the Loire, are a portion of the extensive cretaceous formations which surround Paris. Memoranda on Tours and Touraine Including remarks on the climate with a sketch of the Botany And Geology of the Province also on the Wines and Mineral Waters of France M. Russegger has shewn, contrary to the views of M. Gaillardot, that the region around Jerusalem is mainly of oolitic age, with occasional remains of cretaceous strata outlying here and there. The Thistle and the Cedar of Lebanon 2011-02-20T03:00:13.767Z Consequently, another range of mountains, at the base of which cretaceous rocks may lie in horizontal stratification, may have been elevated, like the chain A, fig. Principles of Geology or, The Modern Changes of the Earth and its Inhabitants Considered as Illustrative of Geology "It was in the cretaceous period and I lay underneath the sea." Seeds of Pine The main body of the strata is composed of limestones, and such fossils as they contain belong to the genera similar to those of the cretaceous rocks of Jamaica—Radiolites, Barrettra, Requienia, etc. The History of Cuba, vol. 1 In the normal order of geological strata, the whole series of cretaceous formations have to be passed through before reaching the Oolite formation, of which the Kimeridge clay forms almost the upper layer. Records of Woodhall Spa and Neighbourhood Historical, Anecdotal, Physiographical, and Archaeological, with Other Matter He represents Mount Lebanon as composed of rocks belonging to the lower cretaceous series, resting upon green sands, and these in their turn reposing upon jurassic strata. The Thistle and the Cedar of Lebanon 2011-02-20T03:00:13.767Z The water finds its way to the surface through deep-lying cretaceous strata, and contains a great deposit of calcareous material. Shepp's Photographs of the World This interest in one of your cretaceous dinosaur skeletons would imply, of course, that I’m wedded to science. The Prairie Mother The surface upon which the cretaceous sediments were deposited, appears to have been reduced by erosion to a very low relief, so that the land was a featureless plain when the cretaceous subsidence began. The History of Cuba, vol. 1 The cretaceous birds of America all appear to be aquatic, and comprise some eight or a dozen genera, and many species. Bird Stories The cretaceous beds of Syria are therein referred in part, at least, to the age of the white chalk of Europe. The Thistle and the Cedar of Lebanon 2011-02-20T03:00:13.767Z They are formed chiefly of crystalline gneissic and granitic rocks and some metamorphic schists and quarzite, with cretaceous and tertiary rocks of varying thickness along its southern edge. A Study of Recent Earthquakes Several species still exist, which were in being at the time of the cretaceous formation, though all the other animated races belonging to that period have perished. A Theory of Creation: A Review of 'Vestiges of the Natural History of Creation' The elevation, and long period of erosion just described, were followed by subsidence, and on the surface of these old rocks the cretaceous formations were deposited. The History of Cuba, vol. 1 Instead, one softer, which, but for the hollow cretaceous rock underlying the plain and acting as a conductor, would not be conveyed to his ears. The Death Shot A Story Retold But the first chapter in the valley's geological history about which we have connected and trustworthy data is that of the cretaceous period. The Atlantic Monthly, Volume 18, No. 105, July 1866 With their then unrivalled knowledge of recent or existing forms, they could restore the assemblages of extinct animals which peopled the cretaceous ocean, and more especially the tertiary seas and lakes. Lamarck, the Founder of Evolution His Life and Work D'Orbigny considers the porphyries of the Andes to have been ejected at the close of the cretaceous period, and formed the first relief of the Cordillera. The Andes and the Amazon Across the Continent of South America The cretaceous rocks in Santa Clara province occur in the bottoms of synclines, and the projected dips appear sufficiently to carry the beds over the tops of the dividing anti-clinal axis. The History of Cuba, vol. 1 No feathered creatures so closely approach the lizard-tailed birds of the oolite or the toothed birds of the cretaceous period as do these Australian and New Zealand emus and apteryxes. Falling in Love With Other Essays on More Exact Branches of Science Mr. William Chandless, on his return from a late journey on the Rio Purus, presented me with a series of fossil remains of the highest interest, and undoubtedly belonging to the cretaceous period. The Atlantic Monthly, Volume 18, No. 105, July 1866 From the great central boss of the chalk system in Salisbury Plain, two long cretaceous horns or projections run out to eastward towards the Channel and the German Sea. Science in Arcady Around the rim of the basin are the outcroppings of a cretaceous deposit; this rests on the hidden mezozoic and palæozoic strata which form the ribs of the Andes. The Andes and the Amazon Across the Continent of South America It is believed, however, that the depth of the cretaceous sea over the island was probably never very great. The History of Cuba, vol. 1 The geological horizon of the Deccan trap cannot be precisely defined, but is now vaguely stated as 'the close of the cretaceous period'. Rambles and Recollections of an Indian Official It seems certain, that, at the close of the secondary age, the whole Amazonian basin became lined with a cretaceous deposit, the margins of which crop out at various localities on its borders. The Atlantic Monthly, Volume 18, No. 105, July 1866 The Athabasca here cuts through a cretaceous sandstone,—soft, yellowish, homogeneous. The New North We want only further to see this cretaceous substance in its most indurated and consolidated state; and this we have in the north of Ireland, not far from the Giants Causeway. Theory of the Earth, Volume 1 (of 4) He said it was a superficial quaternary deposit formed by erosion from the cretaceous rocks, and that there were here no tertiary deposits. Through the Brazilian Wilderness Flintcomb-Ash being in the middle of the cretaceous tableland over which no railway had climbed as yet, it would be necessary to walk. Tess of the d'Urbervilles I well remember that one of the first things which awakened my interest in the geology of the Amazonian Valley was the sight of some cretaceous fossil fishes from the province of Ceara. The Atlantic Monthly, Volume 18, No. 105, July 1866 The north shore consists of Laurentian gneiss with a sparse wood growth; the south bank for the most part is low, the formation being a cretaceous sandstone. The New North The walls of cretaceous rock furnished him with shelter under its ledges of overhanging beds, flints out of which to fashion his tools, and nodules of pyrites wherewith to kindle a fire. Castles and Cave Dwellings of Europe The hollows filled by the tertiary formation must be considered as the beds of estuaries left at the conclusion of the cretaceous period. Vestiges of the Natural History of Creation Poole rests by the creek where the gorge opens quite abruptly on to a vast cretaceous plain. The Explorers of Australia and their Life-work Thus in its main features the Valley of the Amazons, like that of the Mississippi, is a cretaceous basin. The Atlantic Monthly, Volume 18, No. 105, July 1866 They descended in all directions down the hill, and straightway several of the party fell into the snare set by Nature for all misguided midnight ramblers over this part of the cretaceous formation. The Great English Short-Story Writers, Volume 1 These caves are hollowed out in a thick bed of cretaceous rock. Castles and Cave Dwellings of Europe The record of this period consists of a series of strata, in which chalk beds make a conspicuous appearance, and which is therefore called the cretaceous system or formation. Vestiges of the Natural History of Creation When the Challenger's trawl brings up an Ichthyosaurus, along with a few living specimens of Belemnites and Turrilites, it may be admitted that she has come upon a cretaceous "outlier." Discourses Biological and Geological Essays He was inclined, from the character of the shells, to believe that the coal must be cretaceous rather than tertiary. Louis Agassiz: His Life and Correspondence They descended in all directions down the hill, and straightway several of the parties fell into the snare set by nature for all misguided midnight ramblers over the lower cretaceous formation. Stories by English Authors: England A mass of the cretaceous tufa has slipped bodily down to the foot of the crag, against which it leans in an inclined position. Castles and Cave Dwellings of Europe In England, a long stripe, extending from Yorkshire to Kent, presents the cretaceous beds upon the surface, generally lying conformably upon the oolite, and in many instances rising into bold escarpments towards the west. Vestiges of the Natural History of Creation Now, the genus Globigerina is abundantly represented in the cretaceous epoch, and perhaps earlier. Discourses Biological and Geological Essays If there is a type of Echinoderms characteristic of a geological period, it is the genus Micraster of the cretaceous formation, in its original circumscription. Louis Agassiz: His Life and Correspondence Reference should also be made to the extensive researches of Newberry upon the tertiary and cretaceous floras of the Western United States. Darwiniana; Essays and Reviews Pertaining to Darwinism And this is what is found not only on the main artery, but on all the lateral veins of water—wherever the cretaceous rocks project and invite to take shelter under them. Castles and Cave Dwellings of Europe As you may imagine, I find that on the cretaceous crustaceans very interesting. Life and Letters of Thomas Henry Huxley — Volume 2 Here then were organisms, as old as the cretaceous epoch, still alive, and doing their work of rock-making at the bottom of existing seas. Discourses Biological and Geological Essays You may therefore imagine my surprise when the dredge first yielded three specimens of a small species of that particular group of the genus, which is most extensively represented in the upper cretaceous beds. Louis Agassiz: His Life and Correspondence This stickiness was apparently due to the presence of innumerable lumps of a transparent, gelatinous substance, consisting of minute granules without discoverable nucleus or membranous envelope, and interspersed with cretaceous coccoliths. Life and Letters of Thomas Henry Huxley — Volume 1 M. Nicollet was a scientific or matter of fact man, who preferred to talk about "erratic blocks" and "cretaceous formations" rather than to indulge in poetic descriptions. Minnesota and Dacotah Conrad, Mr., on age of American cretaceous rocks. The Student's Elements of Geology The sea urchins of the deep sea, while none of them are specifically identical with any chalk form, belong to the same general groups, and some closely approach extinct cretaceous genera. Discourses Biological and Geological Essays The number of fossil remains comprised in these collections is very considerable; mastodons especially, and fossils of the cretaceous and jurassic deposits. Louis Agassiz: His Life and Correspondence Pliocene, miocene, eocene, cretaceous, jurassic, triassic, permian, carboniferous, devonian, silurian, or primitive was all one to me. A Journey to the Interior of the Earth Every plateau exhibited the same lovely view of the sea, cliffs of snow-white cretaceous rock, green hills, and deep vales, through which a stream of water had given birth to a thick growth of foliage. Cyprus, as I Saw It in 1879 In the eastern part of the Alps, some of the Palaeozoic strata, as well as the older Mesozoic formations, including the oolitic and cretaceous rocks, are distinctly recognisable. The Student's Elements of Geology Tierra del Fuego, clay-slate formation, cretaceous fossils of; cleavage and foliation; form of land. Geological Observations on South America These caves are hollowed out of a very thick belt of cretaceous limestone. Manners and Monuments of Prehistoric Peoples They descended in all directions down the hill, and straightway several of the party fell into the snare set by Nature for all misguided midnight ramblers over this part of the cretaceous formation. Wessex Tales The dark red, or black astringent wines, are produced upon the white marls and cretaceous limestone. Cyprus, as I Saw It in 1879 Morton, Dr., on age of American cretaceous rocks. The Student's Elements of Geology Also resembles, according to the same author, cretaceous forms. Geological Observations on South America Fifteen out of the sixty shells above alluded to were regarded by Professor Forbes as good geographical representatives of well-known cretaceous fossils of Europe. The Student's Elements of Geology Fish of the genera Lamna, Galeus, and Carcharodon are common to New Jersey and the European cretaceous rocks. The Student's Elements of Geology There could hardly be a worse or more dangerous path over the high and precipitous hills; these were once more cretaceous, and in wet weather must be as slippery as soap. Cyprus, as I Saw It in 1879 Whether such granite be cretaceous or tertiary, can not easily be decided. The Student's Elements of Geology This species, which occurs here in vast numbers, according to M. D'Orbigny, resembles certain cretaceous forms. Geological Observations on South America The section in Figure 231 will show the manner in which the white chalk extends from England into France, covered by the tertiary strata described in former chapters, and reposing on lower cretaceous beds. The Student's Elements of Geology For, as the land went on sinking, and the cretaceous sea widened its area, white mud and chloritic sand were always forming somewhere, but the line of sea-shore was perpetually shifting its position. The Student's Elements of Geology The opinion of many observers, that the Nummulitic formation belongs partly to the cretaceous era, seems chiefly to have arisen from confounding an allied genus, Orbitoides, with the true Nummulite. The Student's Elements of Geology |
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