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Stratification   Listen
noun
Stratification  n.  
1.
The act or process of laying in strata, or the state of being laid in the form of strata, or layers.
2.
(Physiol.) The deposition of material in successive layers in the growth of a cell wall, thus giving rise to a stratified appearance.






Collaborative International Dictionary of English 0.48








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"Stratification" Quotes from Famous Books



... hill was revealed to its backbone and marrow here at its rent extremity. It consisted of a vast stratification of blackish-gray slate, unvaried in its whole height by a ...
— A Pair of Blue Eyes • Thomas Hardy

... shaped and oddly distributed hills rose abruptly out of the valley sand, forming a sort of amphitheatre in which the village lay. These square-topped hills ended at a common level, showing that they were not the result of an upheaval, but were the remains of the original stratification formations left standing after the scooping action of the post-glacial ...
— Other Main-Travelled Roads • Hamlin Garland

... Motemwa. Nearly all the mountains in this country are covered with open forest and grass, in colour, according to the season, green or yellow. Many are between 2000 and 3000 feet high, with the sky line fringed with trees; the rocks show just sufficiently for one to observe their stratification, or their granitic form, and though not covered with dense masses of climbing plants, like those in moister eastern climates, there is still the idea conveyed that most of the steep sides are fertile, ...
— A Popular Account of Dr. Livingstone's Expedition to the Zambesi and Its Tributaries • David Livingstone

... rendered rugged in places by the occurrence of loose slabs, which give the appearance of stratification ...
— Journals of Travels in Assam, Burma, Bhootan, Afghanistan and The - Neighbouring Countries • William Griffith

... and very barren; there were no traces of fossils, nor could I assure myself of stratification. The accumulation was wholly glacial; and probably a lake had supervened on the melting of the great glacier and its recedence, which lake, confined by a frozen moraine, would periodically lose its waters by sudden accessions of heat ...
— Himalayan Journals (Complete) • J. D. Hooker

... been moved before—the oak coffer, containing the miller's wardrobe—a tremendous weight, what with its locks, hinges, nails, dirt, framework, and the hard stratification of old jackets, waistcoats, and knee-breeches at the bottom, never disturbed since the miller's wife died, and half pulverized by the moths, whose flattened skeletons lay amid ...
— The Trumpet-Major • Thomas Hardy

... slightly tinged with green and marked by long parallel dark gray veins of unequal breadth. The metamorphic action was not sufficiently energetic to destroy the last traces of organic matter and the original stratification of the rock; and the crystallising force was not sufficiently exercised to allow of the entire rearrangement of the whole of the particles so as to expel the included impurities. This marble was not therefore fitted for sculpture; ...
— Roman Mosaics - Or, Studies in Rome and Its Neighbourhood • Hugh Macmillan

... serpentine. On the south side of the work, just west of Ninth Avenue, there were excellent examples of "contortions" of veins of quartz in the darker rock. On the east side of Ninth Avenue, near the north end of the work, glacial marks were found on the rock surface. The general direction of the stratification was north 5 deg. west, and the general incline about 60 deg. with the horizontal. As a rule, the rock broke sharply along the line of stratification. On the south side it broke better than on the north side, where it was usually softer and more likely to slide; ...
— Transactions of the American Society of Civil Engineers, vol. LXVIII, Sept. 1910 • B.F. Cresson, Jr

... must be but one system of education welding all the people in one aim and purpose. Unity of thought, unity of action, and sympathy, unity in American life and duty, is and must ever be maintained in the stratification of American society. The government must be unique and homogeneous in its aim, purpose, and sympathy. The entire question of American citizenship is especially important in harmonizing the elements. Herbert Spencer ...
— Twentieth Century Negro Literature - Or, A Cyclopedia of Thought on the Vital Topics Relating - to the American Negro • Various

... of the Earth's Crust. Classification of Rocks according to their Origin and Age. Aqueous Rocks. Their Stratification and imbedded Fossils. Volcanic Rocks, with and without Cones and Craters. Plutonic Rocks, and their Relation to the Volcanic. Metamorphic Rocks, and their probable Origin. The term Primitive, why erroneously ...
— The Student's Elements of Geology • Sir Charles Lyell

... I. On the Stratification of Language, delivered before the University of Cambridge, 1868 63 Rede Lecture, Part II. On Curtius' Chronology of the Indo-Germanic Languages, ...
— Chips from a German Workshop - Volume IV - Essays chiefly on the Science of Language • Max Muller

... to the "stratification" of the Trades Unions, there is a cleavage cutting across the Communist Party itself and uniting in opinion, though not in voting, the Mensheviks and a section of their Communist opponents. This cleavage is over the question of "workers' control." Most ...
— The Crisis in Russia - 1920 • Arthur Ransome

... stratification of my new home, where the excellent principles of high thinking and plain living were highly recommended for all who could not reverse the precept, struck me, a neophyte, as for all the world like that of a cathedral town in England, except ...
— How To Write Special Feature Articles • Willard Grosvenor Bleyer

... are marked by lines which run parallel with the smooth sides. The coal readily splits along these lines, and the split surfaces thus formed are parallel with the smooth faces. In other words, there is a sort of rough and incomplete stratification in the lump of coal, as if it were a book, the leaves of which had stuck ...
— Critiques and Addresses • Thomas Henry Huxley

... in agricultural products, dwellings, and means of transport. This Loess is a brownish-yellow loam, highly porous, spreading over low and high ground alike, smoothing over irregularities of surface, and often more than 1000 feet in thickness. It has no stratification, but tends to cleave vertically, and is traversed in every direction by sudden crevices, almost glacier-like, narrow, with vertical walls of great depth, and infinite ramification. Smooth as the loess basin looks in a bird's-eye view, it is thus one of the most impracticable countries ...
— The Travels of Marco Polo, Volume 2 • Marco Polo and Rustichello of Pisa

... labour is required than in other parts. The extreme porosity of the soil probably also accounts for the length of time it will go on bearing crops without becoming exhausted. The rainfall, penetrating deeply into the soil in the absence of stratification, comes into contact with the moisture retained below, which holds in solution whatever inorganic salts the soil may contain, and thus the vegetation has an indefinite store ...
— Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 2 - "Chicago, University of" to "Chiton" • Various

... no return calls for assistance, the restraint was increased. The rich might patronize the poor in the stratified society of old Virginia; in young Mississippi such patronage was an unpleasant suggestion that stratification was beginning.[17] With the passage of years and the continued influx of planters ready to buy their lands at good prices, such fanners as did not thrive tended to vacate the richer soils. The Natchez-Vicksburg district became largely consolidated into great ...
— American Negro Slavery - A Survey of the Supply, Employment and Control of Negro Labor as Determined by the Plantation Regime • Ulrich Bonnell Phillips

... accompanied Professor Sedgwick on a geological tour in North Wales. In order, no doubt, to give him some independent experience, Sedgwick sent Darwin on a line parallel with his own, telling him to bring back specimens of the rocks and to mark the stratification on a map. In later years Darwin was amazed to find how much both of them had failed to observe, "yet these phenomena were so conspicuous that ... a house burnt down by fire could not tell its story more plainly than did the ...
— Alfred Russel Wallace: Letters and Reminiscences, Vol. 1 (of 2) • James Marchant

... this is really all that is known of the general stratification, and although little that is positive has been revealed, writers have made up for the deficiency by any amount of negative description. Such writers as Aurelian and Obedenare simply deplore the paucity of ...
— Roumania Past and Present • James Samuelson

... (Fig. 13, A) that these filaments are rows of cylindrical cells with thick walls showing evident stratification. At intervals branches are given off, which may in turn branch, giving rise to a complicated branching system. These branches begin as little protuberances of the cell wall at the top of the cell. They increase rapidly in length, ...
— Elements of Structural and Systematic Botany - For High Schools and Elementary College Courses • Douglas Houghton Campbell

... to this seed propagation now. I am asking anyone here, can you throw any light at all on the need for stratification of pecan or hickory ...
— Northern Nut Growers Association Report of the Proceedings at the 43rd Annual Meeting - Rockport, Indiana, August 25, 26 and 27, 1952 • Various

... geologically—wholly abnormal considering the stratification, though very unfortunate for you," said Melhuish. "I give you my word of honor that when I advised you to push on the heading I never expected this. However, there it is, and unless you're willing to consider certain suggestions already made, I can't see ...
— Thurston of Orchard Valley • Harold Bindloss

... which makes the history of a soul? It is the stratification of its different stages of progress, the story of its acquisitions and of the general course of its destiny. Before my history can teach anybody anything, or even interest myself, it must be disentangled from its materials, distilled and simplified. ...
— Amiel's Journal • Mrs. Humphry Ward

... addressing her. Many normal emotions were seen expressed, however, and many moral sentiments were undoubtedly held, but there seemed to be curious displacements upon these levels of her mental life; there was faulty mental stratification. Probably the force which ...
— Pathology of Lying, Etc. • William and Mary Healy

... Kelas towered over the long, white-capped range, contrasting in its beautiful blending of tints with the warm sienna color of the lower elevations. Kelas was some two thousand feet higher than the other peaks of the Gangri chain. It showed strongly defined ledges and terraces marking its stratification, and these were covered with horizontal layers of snow of brilliant white in contrast to the dark, ice-worn rock. The Tibetans, the Nepalese, the Shokas, the Humlis, Jumlis, and Hindoos, all had a strong veneration for this mountain, which was believed by them to be the abode of ...
— An Explorer's Adventures in Tibet • A. Henry Savage Landor

... in imitation of the Greek romancists. With those who have investigated the subject, the hypothesis of translation is most in favour, and for the following reason. The story presents an appearance of double stratification, such as might naturally result if a heathen Greek romance had been translated into Latin by a Christian. Although the phenomenon could be equally explained by supposing a Latin heathen original which had been re-written by a Christian ...
— Anglo-Saxon Literature • John Earle

... volume. The general notion of rock which may be traced in the earliest work, as Figs. 1 and 2 in Plate 10 Vol. III. is of an upright mass cut out with an adze; as art advances, the painters begin to perceive horizontal stratification, and, as in all the four other examples of that plate, show something like true rendering of the fracture of rocks in vertical joints with superimposed projecting masses. They insist on this type, thinking it frowning or picturesque, and usually exhibit it to more advantage by ...
— Modern Painters, Volume IV (of V) • John Ruskin

... sea of bergs grounded in about one hundred and twenty fathoms of water. At times we would pass through narrow lanes between towering walls and emerge into a straight wide avenue along which these mountains of ice were ranged. Several were rather remarkable; one for its exquisite series of stratification lines, another for its facade in stucco, and a third for its overhanging cornice ...
— The Home of the Blizzard • Douglas Mawson

... not been so violent or so complete; but for some centuries they depressed our people with a sense of humiliation, and they have left their mark upon our national character and language. Indeed, our language is a synopsis of conquests, a stratification of subjections. We can hardly speak a sentence without recording a certain number of the subject races from which we have sprung. The only one ever left out is the British, and that survives in the names of our most beautiful rivers and mountains. It is true that all of our conquerors ...
— Essays in Rebellion • Henry W. Nevinson

... propositions is founded upon the same axiom, that like effects imply like causes. If there is any cause competent to produce a fossil stem, or shell, or bone, except a living being, then palaeontology has no foundation; if the stratification of the rocks is not the effect of such causes as at present produce stratification, we have no means of judging of the duration of past time, or of the order in which the forms of life have succeeded ...
— The Rise and Progress of Palaeontology - Essay #2 from "Science and Hebrew Tradition" • Thomas Henry Huxley

... is extraordinary in its curious stratification, and one feels when gazing at it some-thing of a wish to scramble along the crests, if only to feel land underfoot instead ...
— South with Scott • Edward R. G. R. Evans

... near Mont Blanc, where the two, in contact, are observed to "both undergo a modification of mineral character. The granite still remaining unstratified, becomes charged with green particles; and the talcose gneiss assumes a granitiform structure without losing its stratification." In the Aberdeen-granite, lumps of unmelted gneiss are abundant; and we can ourselves bear witness that the granite on the banks of Loch Sunart yields proofs that, when molten, it contained incompletely-fused clots of sedimentary strata. Nor is this all. Fifty years ago, it was thought ...
— Essays: Scientific, Political, & Speculative, Vol. I • Herbert Spencer

... with the exterior reef on which it rests) be conspicuous from the size of the fragments,—the different degrees in which they have been rounded,—the presence of fragments of conglomerate torn up, rounded, and recemented,—and from the oblique stratification. The corals which lived in the lagoon-reefs at each successive level, would be preserved upright, and they would consist of many kinds, generally much branched. In this part, however, a very large proportion of the rock (and in some cases nearly all of it) would be formed of sedimentary ...
— Coral Reefs • Charles Darwin

... of Kearsarge is composed of andalusite schist. The marks of glacial action are even more distinct than on Cardigan, while the stratification is very curious. When we reached the top, the first-comers were already busy with surveys, profile sketches and photographs. As we looked at Cardigan looming up grandly in the northwest, we were proud of our work of ...
— The Bay State Monthly, Volume 3, No. 5 • Various

... Dr. Abbott further clears the way by demonstrating that a strong line of demarcation exists between the remains of these people and the earliest traces of the "red Indian" race which Europeans found in possession of the body of the continent; this gap is not one of stratification, or, perhaps, of time, but is shown by a strong distinctness in the character of the worked stones forming the weapons and implements of each people in respect to both material and degree of perfection. Considering further the probability (from known evidence) that the Innuit ...
— Lippincott's Magazine, November 1885 • Various

... temptations towards refined habits on the part of the rich—will make that exchange between class and class, that promotion by intermarriage which at present retards the splitting of our species along lines of social stratification, less and less frequent. So, in the end, above ground you must have the Haves, pursuing pleasure and comfort and beauty, and below ground the Have-nots, the Workers getting continually adapted to the conditions of their labour. Once they were there, they would ...
— The Time Machine • H. G. (Herbert George) Wells

... his glass he was able to study their formation and determined that lava from below had spread out between the sedimentary strata, forming what he called "blisters." He could see where one side of a blister had been eroded, showing the surrounding stratification.[19] ...
— A Canyon Voyage • Frederick S. Dellenbaugh

... a limestone cliff showing stratification would be the best kind of illustration to explain both the formation of caves and the gradual burying and preservation of animal bones and ...
— The Cave Boy of the Age of Stone • Margaret A. McIntyre

... at first light brown or dark red, and becomes constantly darker and finally taking a velvet-black. As its stratification upon the platinum is unequal, it ...
— Scientific American Supplement, No. 441, June 14, 1884. • Various

... nearly bare; evidently the sun gets a good hold on them. There must be a good deal of melting and rock weathering, the talus heaps are considerable under the southern rock faces. Higher up the valley there is much more bare rock and stratification, which promises to be very interesting, but oh! for fine weather; surely we have had enough of this ...
— Scott's Last Expedition Volume I • Captain R. F. Scott

... is to be believed, this was Tsalal Island! Its trees resembled none of the species in any other zone of our planet. The composition of the rocks revealed a stratification unknown to modern mineralogists. Over the bed of the streams ran a liquid substance without any appearance of limpidity, streaked with distinct veins, which did not reunite by immediate cohesion when they were parted by the blade of ...
— An Antarctic Mystery • Jules Verne

... and gullies in between, their flanks affording glimpses of broken vases, candelabras, hats, bottles, birdcages, writing-books, brass pipes, sofas, picture-frames, tablecloths, and all the paltry paraphernalia of everyday life. No attempt at stratification, horizontal, vertical, or inclined; it was as if the objects had been thrown up by some playful volcano and allowed to settle where they pleased. Two immense chiselled blocks of stone—one lying prone at the bottom of a miniature ...
— Old Calabria • Norman Douglas

... even more. Wherever lava flows occurred in the building of the Mountain, strata formed; and such stratification is clearly seen at intervals on the sides of the great rocks just mentioned. Its incline, of course, is that of the former surface. The strata point upward—not toward the summit which we see, but far above it. For this reason ...
— The Mountain that was 'God' • John H. Williams

... that lodes are actually re-forming and the action observed is very interesting as showing how the stratification in some lodes has come about. Instances are not wanting of the growth of silica on the sides of the drives in mines. This was so in some of the mines on the Thames, New Zealand, previously mentioned, where in some ...
— Getting Gold • J. C. F. Johnson

... of either the torrid, the temperate, of the northern frigid zones, and were altogether unlike those of the lower southern latitudes we had already traversed. The very rocks were novel in their mass, their color, and their stratification; and the streams themselves, utterly incredible as it may appear, had so little in common with those of other climates, that we were scrupulous of tasting them, and, indeed, had difficulty in bringing ourselves to believe that their qualities were ...
— The Works of Edgar Allan Poe - Volume 3 (of 5) of the Raven Edition • Edgar Allan Poe

... little kid," pronounced Fergus, lingering before performing the same operation, "but he has not got his mind opened to stratification, and only cares for recent rubbish. I wish it was a half-holiday, I would ...
— The Long Vacation • Charlotte M. Yonge

... formerly conversant. The few trees at hand resembled no growth of either the torrid, temperate, or northern frigid zones, and were altogether unlike those of the southern latitudes with which I was most familiar. The very rocks were novel in their mass, their colour, and their stratification; and the stream itself, utterly incredible as it may appear, had so little in common with the streams of other countries that I shrank away from it in alarm. I am at a loss to give any distinct idea of the nature of the water. I can only say it was not ...
— Werwolves • Elliott O'Donnell

... of the individual fragments, the true origin of any accumulation of glacier-debris, commonly called drift, may be detected by the total absence of stratification, so essential a feature in all water-deposits. This absence of stratification throughout its mass is, after all, the great and important characteristic of the drift; and though I have alluded to it before, I reiterate it here, as that ...
— The Atlantic Monthly, Volume 13, No. 80, June, 1864 • Various

... the province of Rio de Janeiro and in the adjoining province of Minas Geraes. I found that it rested everywhere upon the undulating surfaces of the solid rocks in place, was almost entirely destitute of stratification, and contained a variety of pebbles and boulders. The pebbles were chiefly quartz, sometimes scattered indiscriminately throughout the deposit, sometimes lying in a seam between it and the rock below; while ...
— The Atlantic Monthly, Volume 18, No. 105, July 1866 • Various

... metamorphic rocks',* in which the internal texture and the mode of stratification have been changed, either p 249 by contact or proximity with a Plutonic or volcanic endogenous rock of eruption,** or, what is more frequently the case, by a gaseous sublimation of substances*** which accompany certain masses erupted ...
— COSMOS: A Sketch of the Physical Description of the Universe, Vol. 1 • Alexander von Humboldt

... I think, may make us feel perfectly secure as to the ultimate maintenance of poetic expression. For humanity will always be with us, whatever changes may be introduced into our social system, whatever revolutions may occur in religion, in legality, in public order, or in the stratification of composite life. I confess the only atmosphere in which it is impossible for me to conceive of poetry as able to breathe would be one of complete and humdrum uniformity of existence, such as was dreamed of at one time, but I think ...
— Some Diversions of a Man of Letters • Edmund William Gosse

... schools for purely educational ends. Each series of lessons in geology is supplemented by visits to the mountains about the lake, or to the tremendous cliffs of the coast, where the students are taught to familiarize themselves with forms of stratification and the visible history of rocks. The basin of the lake, and the country about Matsue, is physiographically studied, after the plans of instruction laid down in Huxley's excellent manual. Natural History, too, is taught according ...
— Glimpses of an Unfamiliar Japan • Lafcadio Hearn

... Fifty to Seventy-five per cent of cost and time of hand labor saved. "Test Cores," in form of solid cylinders of rock or mineral taken out of mines from any depth not exceeding one thousand feet, showing true value, stratification, etc. No percussion. Never require sharpening. FIRST PREMIUMS awarded in both American and Europe. Illustrated Circulars sent on application. Beware ...
— Scientific American, Volume XXIV., No. 12, March 18, 1871 • Various

... essential quality of the spirit of democracy, the free way to the farthest horizons, the open road to the highest position and service. When the atom becomes practically fixed by its environment, reposeful and stable, stratification sets in. We may or we may not ...
— The French in the Heart of America • John Finley

... hypothesis was untenable, and that within any given geographic area, or within any given tribe, there would exist elements of culture which were adopted at widely differing times and belonged to different culture levels. Thus, a true stratification of cultures might be exposed. Yet again, it might be found that people living in similar environments tended to develop a like culture regardless of any contact or close ...
— The Journal of Negro History, Volume 3, 1918 • Various

... been held for some time in suspension in the ocean or lake into which it was first thrown in the shape of ashes, and then gradually deposited. This alone can account for its frequent appearance of stratification, for the gentle blending of its particles with those of the sand near the surface of the latter; and, above all, for those level steps, or tables, lying one above another horizontally in parallel bars on one range, ...
— Rambles and Recollections of an Indian Official • William Sleeman

... apparent size with very moderate dimensions. All the known examples stand on raised platforms, adding materially to their dignity. Some are double temples, as at Hullabid (Fig. 228); others are triple in plan. Anoticeable feature of the style is the deeply cut stratification of the lower part of the temples, each band or stratum bearing a distinct frieze of animals, figures or ornament, carved with masterly skill. Pierced stone slabs filling the window openings ...
— A Text-Book of the History of Architecture - Seventh Edition, revised • Alfred D. F. Hamlin

... Giovanni Crisostomo, with which it is nearly contemporary, is almost more interesting from the astonishing truth and beauty of its landscape portions. These form here a feature more important, perhaps, than in any work of that period; the stratification and form of the rocks in the foreground, the palms and other trees relieved against the lucid distance, and the mountain-ranges of tender blue beyond, are as much beyond praise for their beauty ...
— The Old Masters and Their Pictures - For the Use of Schools and Learners in Art • Sarah Tytler

... notice in this mound the different layers of which it was composed. These layers are of gravel, earth, and sand, the latter being only a few inches thick. Mounds made in this manner are called stratified mounds, and all altar mounds are probably of this kind. The lines of stratification have been described as curving so as to correspond with the shape of the mound, and such we are ...
— The Prehistoric World - Vanished Races • E. A. Allen



Words linked to "Stratification" :   form, assortment, contour, conformation, geologic process, classification, positioning, location, placement, geological process, emplacement, foliation



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