Stratification sentence example

stratification
  • The rocks are largely volcanic, the stratification being complex.
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  • Its roof is a single flat stratum of limestone; its walls are well marked by lines of stratification; dripstone also partly covers the walls, fills a deep fissure at the end of the cave, and spreads over the floor, where it mingles with an ancient bed of ashes, forming an ash-breccia (mostly firm and solid) that encloses fragments of sandstone, flint spalls, flint implements, charcoal and bones.
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  • St Kilda is probably the core of a Tertiary volcano, but, besides volcanic rocks, contains hills of sandstone in which the stratification is distinct.
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  • The horizontal stratification of some of these masses gives them a curiously architectural aspect, further increased by the effect of the numerous vertical joints by which the rock is cleft into buttresses and recesses along the fronts of the precipices and into pinnacles and finials along the summits.
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  • The sides of the hill are rocky, and remarkable for the regular stratification of the limestone, which gives the hill at a distance the appearance of being terraced.
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  • Thereafter, by exact observation of stratification, eight more periods have been distinguished by the explorer of Cnossus, each marked by some important development in the universal and necessary products of the potter's art, the least destructible and therefore most generally used archaeological criterion.
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  • 2, which are driven across the stratification, or generally anywhere not in coal, are known as " stone drifts."
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  • The stratification is said to be like that of the settlements at Olympia, but undisturbed.
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  • No satisfactory collection has been made of the Celtic inscriptions of Cisalpine Gaul, though many are scattered about in different museums. For our present purpose it is important to note that the archaeological stratification in deposits like those of Bologna shows that the Gallic period supervened upon the Etruscan.
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  • The stratification, which may be concentric or excentric, appears to be due to a difference in density of the various layers.
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  • In autumn the enclosed seas of high latitudes frequently present a thermal stratification in which a warm middle layer is sandwiched between a cold upper layer and a cold mass below, the arrangement being termed mesothermic (thaos, middle).
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  • Where fresh the rock is soft, but where it has been exposed to the action of the sea it is covered by a hard crust and often loses all trace of stratification.
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  • Thus, for example, there is the " Rock Garden," which should consist of variously grouped masses of large stones, those which are remarkable for being figured by water-wearing, or containing petrifactions or impressions, or showing something of natural stratification, being generally preferred.
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  • If, in addition to this horizontal stratification, the atmosphere varies similarly in vertical planes, then the object would be magnified both horizontally and vertically.
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  • In the case of thin, flat organs such as leaves, the whole organ may be spread out in the plane of stratification, leaving its impress on the overlying and underlying layers.
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  • The identifiable hierarchy of settlement reflects a perceived increase in the stratification of society dominated by a warrior aristocracy.
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  • However, there are regions where temperature and/or salinity differences between water masses result in stratification.
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  • Bandolier hopes that transmission disequilibrium tests that are free of bias due to population stratification can wait till brain cells have a good day.
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  • Even before new drugs are developed, the genetics of complex diseases will have an impact in allowing stratification of patients for drug trials.
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  • Sow seed of plants which require stratification See below for information about stratifying seeds.
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  • Smith's data were derived from CHS data, the sample for which was collected using regional stratification of Northern Ireland into three areas.
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  • Due to the vertical stratification of salinity the sun's heat is stored in this layer, resulting in high summer surface temperatures.
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  • If there is a stable stratification they may also become less buoyant as the ambient air becomes less dense.
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  • Thus, the need for cash shapes both coping strategies and local social and economic stratification.
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  • However, risk stratification of AML based on these methods is still incomplete.
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  • No association studies in COPD have been reported which used family-based controls, a study design which is immune to such population stratification effects.
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  • It's unfortunate that the whole of our education system is riddled with class stratification.
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  • When formed inside it, the starch-grains exhibit a concentric stratification; when formed externally in the outer layers, the stratification is excentric, and the hilum occurs on that side farthest removed from the leucoplast.
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  • For a region with such a small amount of rainfall the rivers are numerous, but none of the streams is navigable, and in many of them during the dry season (and in some of them because of broken stratification) the water in places disappears entirely beneath the sandy bed, and after flowing underground for some distance, breaks out afresh farther on as a river, rivulet or spring.
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  • This physical stratification is the primary requisite for the development of algal blooms in the Tidal Lagan, as nutrients are rarely limiting.
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  • In many areas, this social stratification increased in the Bronze Age with the elite buried in single tombs with all their finery.
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  • It would have cause essentially one layer with some stratification based on particle size possibly, the larger particles being at the base.
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  • Smith 's data were derived from CHS data, the sample for which was collected using regional stratification of Northern Ireland into three areas.
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  • Due to the vertical stratification of salinity the sun 's heat is stored in this layer, resulting in high summer surface temperatures.
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  • The land base has been partitioned into 15 Land Classes using a stratification system developed by the ITE.
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  • Density stratification of the water column is well developed over much of the area in the summer.
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  • It 's unfortunate that the whole of our education system is riddled with class stratification.
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  • This is 'one of the foundations of social stratification in democratic societies '.
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  • The world of the queuers also reflected the stratification of Moroccan society.
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  • Socialist accounts argued that this physical malaise was compounded by the role of clothing in effecting oppressive social stratification; clothes were seen as masking the innate equality of all people.
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  • The buildings here show a stratification analogous to that of the palace of Cnossus.
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  • Wherever stratification is observed in these formations in Mississippi, it shows a dip west and south of 20 or 30 ft.
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  • They rise into prominent pyramidal mountains, which, as the stratification is usually almost horizontal, present in their terraced sides a singular contrast to the neighbouring heights, composed of highly plicated crystalline schists.
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  • We are aided in forming some estimate of the chronological sequence preceding the Mycenaean age, as suggested by the finds of the Heraeum, in the new distribution which Ddrpfeld has been led to make of the chronological stratification of Hissarlik.
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  • Henry Wilde, in 1875, in depositing copper on iron printing-rollers, recognized this principle and rotated the rollers during electrolysis, thereby renewing the surfaces of metal and liquid in mutual contact, and imparting sufficient motion to the solution to prevent stratification; as an alternative he imparted motion to the electrolyte by means of propeller blades.
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  • Conversely, if two fluids mix, it would seem that T'12 must exceed the mean of T 1 and T2; otherwise work would have to be expended to effect a close alternate stratification of the two bodies, such as we may suppose to constitute a first step in the process of mixture (Dupre, Theorie mecanique de la chaleur, p. 372; Kelvin, Popular Lectures, p. 53).
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  • If the order of stratification differ from that of densities, we can show that each step of approximation to this order lowers the sum of tensions.
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  • The zodiac of Denderah; the Savoyards who carved their pine-forests into toys; the naked Derar, horsed on an idea, charging a troop of Roman cavalry; the long, austere Pythagorean lustrum of silence; Napoleon on the deck of the "Bellerophon," observing the drill of the English soldiers; the Egyptian doctrine that every man has two pairs of eyes; Empedocles and his shoe; the horizontal stratification of the earth; a soft mushroom pushing its way through the hard ground, - all these allusions and a thousand more are found in the same volume.
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  • Moreover, where stone implements are found they are, as a rule, very near, even actually on, the surface of the earth; nothing occurs resembling the regular stratification of Europe, and consequently no argument based on geological grounds is possible.
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