| 单词 | unconformable |
| 例句 | Geologists like to say that New Jersey’s coastal plain sits “unconformably” atop this Paleozoic base. The Long, Slow Drowning of the New Jersey Shore 2021-08-12T04:00:00Z It is critical at a time of public health crisis to be aware of the line between panic and preparation, to speak tough and unconformable truths without being alarmist. Editorial Roundup: New England 2020-03-09T04:00:00Z The whole is overlaid unconformably by the younger Tertiaries of Hundes, which are perfectly horizontal and have been quite unaffected by any of the folds. Encyclopaedia Britannica, 11th Edition, Volume 13, Slice 4 "Hero" to "Hindu Chronology" 2012-04-04T02:00:56.447Z The piers of the tower are, as I have said, unmistakably Norman, but upon them are set, quite unconformably, arches at least a century later in date. Highways and Byways in Cambridge and Ely 2012-02-03T03:00:22.657Z The Pliocene is of marine origin, and rests unconformably upon all the older beds, including the Post-oligocene igneous rocks, thus proving that the final folding and the last volcanic outbursts were approximately of Miocene age. Encyclopaedia Britannica, 11th Edition, Volume 7, Slice 8 "Cube" to "Daguerre, Louis" 2012-01-31T03:00:17.257Z A geologist will think of the helpful triumph of taking from the full rock record here to fill out the unconformable strata there, until a geological column is built up. Sunday-School Success A Book of Practical Methods for Sunday-School Teachers and Officers 2011-12-21T03:00:45.660Z Occasional deposits of marl and limestone of late Pliocene age rest unconformably upon these older beds; and near the coast there are raised coral reefs of modern date. Encyclopaedia Britannica, 11th Edition, Volume 12, Slice 6 "Groups, Theory of" to "Gwyniad" 2011-12-16T03:00:12.320Z This narrows also differs from the Lower in that the quartzite on one side is covered with Potsdam conglomerate, which overlies the truncated edges of the vertical layers of quartzite with unconformable contact. The Geography of the Region about Devils Lake and the Dalles of the Wisconsin 2011-11-29T03:00:17.347Z The Permian, as in England, is not involved in the folds which have affected the older beds, and in general lies unconformably upon them. Encyclopaedia Britannica, 11th Edition, Volume 11, Slice 7 "Geoponici" to "Germany" 2011-09-26T02:00:25.313Z Let us suppose, for example, that a certain group of formations has been disturbed, upraised, denuded and covered unconformably by a second group. Encyclopaedia Britannica, 11th Edition, Volume 11, Slice 6 "Geodesy" to "Geometry" 2011-09-19T02:00:10.473Z Resting unconformably on these is a series of partially altered rocks, regarded as Lower Cambrian, and also destitute of organic remains. The Chain of Life in Geological Time A Sketch of the Origin and Succession of Animals and Plants 2011-06-01T02:00:24.880Z They are overlaid unconformably by the soft red sandstones of the Upper Old Red series which underlie the Howe of Fife from Loch Leven to the coast. Encyclopaedia Britannica, 11th Edition, Volume 10, Slice 3 "Fenton, Edward" to "Finistere" 2011-03-14T03:01:00.580Z The northeast wall of the Upper Narrows, north of Ableman's, showing the horizontal Potsdam sandstone and conglomerate lying unconformably on the quartzite, the beds of which are vertical. The Geography of the Region about Devils Lake and the Dalles of the Wisconsin 2011-11-29T03:00:17.347Z Everywhere the chief folding seems to have occurred before the deposition of the highest beds of the Upper Carboniferous, which lie unconformably upon the folded older beds. Encyclopaedia Britannica, 11th Edition, Volume 9, Slice 8 "Ethiopia" to "Evangelical Association" 2011-03-05T03:00:24.537Z The complete biological contrasts between the fossil contents of unconformable strata are sufficiently explicable. Encyclopaedia Britannica, 11th Edition, Volume 11, Slice 6 "Geodesy" to "Geometry" 2011-09-19T02:00:10.473Z Besides these older rocks, M. Botta remarks upon the presence, all along the coast from Beyrout to Tripoli, of conglomerates or sandstones, quite unconformable to the calcareous rocks of the coast. The Thistle and the Cedar of Lebanon 2011-02-20T03:00:13.767Z When one set of rocks is found resting on the upturned edges of a lower set, the former are said to be unconformable to the latter. Geology 2011-02-20T03:00:12.660Z Within the county there are representatives of the middle and upper divisions of the Old Red Sandstone resting unconformably on the crystalline schists. Encyclopaedia Britannica, 11th Edition, Volume 9, Slice 3 "Electrostatics" to "Engis" 2011-02-06T03:00:53.093Z The Upper Old Red Sandstone rests unconformably on all older formations. Encyclopaedia Britannica, 11th Edition, Volume 8, Slice 10 "Echinoderma" to "Edward" 2011-01-19T03:00:19.027Z But where the older series has been tilted up or visibly denuded before being overlain by the younger, the latter is termed unconformable. Encyclopaedia Britannica, 11th Edition, Volume 11, Slice 6 "Geodesy" to "Geometry" 2011-09-19T02:00:10.473Z The Upper Old Red Sandstone forms a narrow strip on the south side of the Silurian tableland, resting unconformably on the Silurian rocks and passing upwards into the Carboniferous formation. Encyclopaedia Britannica, 11th Edition, Volume 8, Slice 8 "Dubner" to "Dyeing" 2010-12-26T03:00:17.840Z They are often accompanied by volcanic rocks, which are mainly andesitic, and they commonly lie unconformably upon the older beds. Encyclopaedia Britannica, 11th Edition, Volume 2, Slice 7 "Arundel, Thomas" to "Athens" On the north side of North Glen Sannox they rest unconformably on the Lower Old Red rocks. Encyclopaedia Britannica, 11th Edition, Volume 2, Slice 6 "Armour Plates" to "Arundel, Earls of" In the typical region and in North Wales generally the Arenig series appears to be unconformable upon the Cambrian rocks; this is not the case in South Wales. Encyclopaedia Britannica, 11th Edition, Volume 2, Slice 5 "Arculf" to "Armour, Philip" A danger, unconformable, but none the less real, skirted their isolated house, had at last, according to the woman, forced an entrance. The Gray Mask The Triassic rocks rest unconformably on all older formations within the county. Encyclopaedia Britannica, 11th Edition, Volume 8, Slice 8 "Dubner" to "Dyeing" 2010-12-26T03:00:17.840Z The older rocks are overlaid unconformably by Cretaceous beds, consisting chiefly of sandstones with seams of coal, the whole series thinning rapidly towards the north and thus indicating the neighbourhood of the old shore-line. Encyclopaedia Britannica, 11th Edition, Volume 2, Slice 7 "Arundel, Thomas" to "Athens" These, it will be seen, are horizontal, and lie in what is termed "unconformable stratification" on the more ancient series. Principles of Geology or, The Modern Changes of the Earth and its Inhabitants Considered as Illustrative of Geology The Lower Old Red Sandstone, chiefly composed of volcanic rocks—lavas and tuffs—rests unconformably on the metamorphic series. Encyclopaedia Britannica, 11th Edition, Volume 2, Slice 5 "Arculf" to "Armour, Philip" Consequently, Cambrian strata are usually unconformable on older rocks. Encyclopaedia Britannica, 11th Edition, Volume 5, Slice 1 "Calhoun" to "Camoens" In many instances the Tertiary formation, which occurs between Esna and Cairo, unconformably overlies the Cretaceous, the Lower Eocene being absent. Encyclopaedia Britannica, 11th Edition, Volume 9, Slice 1 "Edwardes" to "Ehrenbreitstein" This series is overlain unconformably by a younger quartzite of similar character, and itself rests upon the crystalline schists. Encyclopaedia Britannica, 11th Edition, Volume 8, Slice 4 "Diameter" to "Dinarchus" He pointed out that the strata of these two groups were unconformable, and must have been the deposits of different seas at distant periods of time. Principles of Geology or, The Modern Changes of the Earth and its Inhabitants Considered as Illustrative of Geology Along the coast lies a belt of granite and schist overlaid unconformably by Cretaceous and Tertiary deposits; inland the mountains are formed chiefly of folded Mesozoic beds, together with volcanic rocks of later date. Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 2 "Chicago, University of" to "Chiton" The upper part of the Lower Devonian, the sandy shale of Steinach, rests unconformably upon Silurian rocks. Encyclopaedia Britannica, 11th Edition, Volume 8, Slice 3 "Destructors" to "Diameter" The Oceanic series is generally overlaid directly, and unconformably, by coral limestones; but at Bissex Hill, at the base of the coral limestones, and resting unconformably upon the Oceanic series, there is a Globigerina marl. Encyclopaedia Britannica, 11th Edition, Volume 3, Part 1, Slice 3 "Banks" to "Bassoon" Resting unconformably on these metamorphic rocks, Old Red sandstone strata are met with in a few places. Encyclopaedia Britannica, 11th Edition, Volume 3, Part 1, Slice 2 "Baconthorpe" to "Bankruptcy" Inferences derived from unconformable strata.—That the subterranean forces have visited different parts of the globe at successive periods, is inferred chiefly from the unconformability of strata belonging to groups of different ages. Principles of Geology or, The Modern Changes of the Earth and its Inhabitants Considered as Illustrative of Geology They are strongly folded and are overlaid unconformably by Cretaceous and Tertiary deposits. Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 2 "Chicago, University of" to "Chiton" In the north of England this series rests unconformably upon the Lower Old Red and the Silurian. Encyclopaedia Britannica, 11th Edition, Volume 8, Slice 3 "Destructors" to "Diameter" In the grounds of the Admiralty House curious instances of unconformable strata are laid bare in old quarries. The Life of Thomas, Lord Cochrane, Tenth Earl of Dundonald, Vol. II Everything else, everything that is extra-normal, unconformable, unintelligible and not understood remains for him something alien, trivial, inferior, or negligible. The New Society I observed here that the travertin was unconformable to the lacustrine beds, its inclination according with the slope of the sides of the valley. Principles of Geology or, The Modern Changes of the Earth and its Inhabitants Considered as Illustrative of Geology Before the great fleet of colonists, with its three unconformable Church of England clergymen, had reached the port of Salem the good seed had been planted anew in other hearts not less honest and good. A History of American Christianity When this ended I passed over the northern heads of two small buttes which lie unconformably; the direction of their main axes lies north-north-west, whereas all their neighbours trend to the north-north-east. To The Gold Coast for Gold, Vol. II A Personal Narrative One is that described above, in which a certain series of beds having been raised out of their natural horizontal position, another series has been deposited upon them, thus resting unconformably above. The Atlantic Monthly, Volume 12, No. 69, July, 1863 There are, however, many more localities in which one would find the Carboniferous rocks resting unconformably upon the Silurians without the intervention of any strata which could be referred to the Devonian period. The Ancient Life History of the Earth A Comprehensive Outline of the Principles and Leading Facts of Palæontological Science The dictates of religion are in all countries intermixed, more or less, with dictates unconformable to utility, deduced from texts, well or ill interpreted, of the writings held for sacred by each sect. Moral Science; a Compendium of Ethics The rocks, for convenience classed as pre-Cambrian, occur as several unconformable groups, chiefly developed in the south where alone their stratigraphy has been determined. The Project Gutenberg Encyclopedia Volume 1 of 28 These beds are dipping and unconformable with the rocks above; while they make but 800 feet of the wall or less, they have a geological thickness of 12,000 feet. Canyons of the Colorado She still vibrated to the feeling of unconformable forces in the old house. The Abandoned Room According to Dana, the Cretaceous rocks of the Rocky Mountain territories pass upwards "without interruption into a coal-bearing formation, several thousand feet thick, on which the following Tertiary strata lie unconformably." The Ancient Life History of the Earth A Comprehensive Outline of the Principles and Leading Facts of Palæontological Science Adj. disagreeing &c. v.; discordant, discrepant; at variance, at war; hostile, antagonistic, repugnant, incompatible, irreconcilable, inconsistent with; unconformable, exceptional &c. Roget's Thesaurus of English Words and Phrases And it is to be remembered, as a proof of their inconceivable antiquity, that they have been upheaved and shifted long before the Cambrian rocks were laid down “unconformably” on their worn and broken edges. Town Geology The argillaceous and lignite-bearing strata, more than 100 feet in thickness, rest unconformably on highly inclined and sometimes vertical Miocene molasse. The Antiquity of Man The different formations lie unconformably upon each other, which means revolution of some sort. Time and Change In America, therefore, the lowest Tertiary strata appear to rest conformably upon the highest Cretaceous; whereas in Europe, the succession at this point is invariably an unconformable one. The Ancient Life History of the Earth A Comprehensive Outline of the Principles and Leading Facts of Palæontological Science Along the Atlantic coast the Mesozoic peneplain may be traced shoreward to where it disappears from view beneath an unconformable cover of early Tertiary marine strata. The Elements of Geology These anomalous appearances may partly be explained by supposing great solid wedges of intrusive gneiss to have been forced in laterally between strata to which I found them to be in many sections unconformable. The Student's Elements of Geology The stratified beds, which we have hitherto followed across the range, a little further down are seen to lie, I believe unconformably, on a broad mountainous band of clay-slate and grauwacke. Geological Observations on South America Already three or four piles of unconformable strata are known beneath the Cambrian; and these are generally in a crystalline condition, and may once have been charged with organic remains. More Letters of Charles Darwin — Volume 1 It may be wholly wanting, when the Upper Old Red seems to repose unconformably upon the lower division of the series. The Ancient Life History of the Earth A Comprehensive Outline of the Principles and Leading Facts of Palæontological Science In some regions there rests unconformably on the Archean an immense body of stratified rocks, thousands and in places even scores of thousands of feet thick, known as the ALGONKIAN. The Elements of Geology But some of these same porphyries are partially unconformable, as b, and may lead us to suspect that the others also, notwithstanding their appearance of interstratification, have been forcibly injected. The Student's Elements of Geology These three lower beds are covered by an unconformable mantle D of stratified sandy earth, including many pebbles of quartz, pumice and phonolite, land and sea-shells. Geological Observations on South America New red sandstone, lying unconformably on the coal. Madam How and Lady Why In many instances, the Permian rocks are seen to repose unconformably upon the underlying Carboniferous, from which they can in addition be readily separated by their lithological characters. The Ancient Life History of the Earth A Comprehensive Outline of the Principles and Leading Facts of Palæontological Science The formations of the Middle and Upper Cambrian are found resting unconformably on the pre-Cambrian rocks from New York westward into Minnesota and at various points in the interior, as in Missouri and in Texas. The Elements of Geology The older half of this Laurentian series is unconformable to the newer portion of the same. The Student's Elements of Geology Often the earth movements to which the uplift or depression was due involved tilting or folding of the earlier strata, so that the strata are now nonparallel as well as unconformable. The Elements of Geology The Tertiary strata of that age are seen on both sides of the Rhine, in the neighbourhood of Bonn, resting unconformably on highly inclined and vertical strata of Silurian and Devonian rocks. The Student's Elements of Geology This break in the life of the two periods is accompanied by a decided physical break as well; for the Gault is often, if not always, unconformably superimposed on the Lower Greensand. The Ancient Life History of the Earth A Comprehensive Outline of the Principles and Leading Facts of Palæontological Science They rest unconformably on the Triassic sandstones and the older rocks of the region. The Elements of Geology No organic remains have yet been found in any of the beds, which are about 18,000 feet thick, and rest unconformably on the Laurentian rocks. The Student's Elements of Geology The Upper Laurentian or Labrador series lies unconformably upon the Lower, and differs from it chiefly in having as yet yielded no fossils. The Student's Elements of Geology In these ancient grits no fossils have been found, but they are supposed to be of Cambrian date, for Sir R. Murchison found Lower Silurian strata resting unconformably upon them. The Student's Elements of Geology It often happens that in the interval between the deposition of two sets of unconformable strata, the inferior rock has not only been denuded, but drilled by perforating shells. The Student's Elements of Geology The rocks of this area are known to be pre-Cambrian; for the Cambrian strata, wherever found, lie unconformably upon them. The Elements of Geology On this Laurentian gneiss, in parts of the western Highlands, the Lower Cambrian and various metamorphic rocks rest unconformably. The Student's Elements of Geology The thickness of the more modern and unconformable beds is about 750 feet, of which the upper 200 feet consist of Newer Pliocene strata, while the lower are Older Pliocene. The Student's Elements of Geology It is admitted that when two formations are unconformable their fossil remains almost always differ considerably. The Student's Elements of Geology Within these limits it occurs in small patches only, resting unconformably on the white chalk. The Student's Elements of Geology The early Cretaceous sea retired from Texas and Mexico, for its sediments are overlain unconformably by formations of the Upper Cretaceous. The Elements of Geology This series, about 20,000 feet in thickness, is, as before stated, unconformable to that last mentioned; it consists in great part of gneiss of a reddish tint with orthoclase feldspar. The Student's Elements of Geology |
| 随便看 |
|
英语例句辞典收录了117811条英语例句在线翻译词条，基本涵盖了全部常用单词及词组的例句翻译及用法，是英语学习的有利工具。