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Sedimentary   Listen
adjective
Sedimentary  adj.  Of or pertaining to sediment; formed by sediment; containing matter that has subsided.
Sedimentary rocks. (Geol.) See Aqueous rocks, under Aqueous.






Collaborative International Dictionary of English 0.48








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"Sedimentary" Quotes from Famous Books



... occur in sedimentary rocks of varied character, but, so far as my observation has extended, never in quantity in sandstone. In the Lower Silurian rocks anthracite occurs, both in the Old World and in the New, where no metamorphism has affected it, and where it is simply the normal result of the long continued distillation ...
— Scientific American Supplement, No. 362, December 9, 1882 • Various

... said so. Even to his relatively untrained eye, this was a place where a volcanic fissure had opened ages ago, allowing igneous rock to thrust sharply upward through the sedimentary layers of the older ground. Now the formation had weathered until it was like a barren hill built on top of a fertile one. On the steep slope of igneous rock no grass had managed to get hold, although a few hardy weeds ...
— The Blue Ghost Mystery • Harold Leland Goodwin

... or even of each stratum. We can best gain some idea of past time by knowing the agencies at work; and learning how deeply the surface of the land has been denuded, and how much sediment has been deposited. As Lyell has well remarked, the extent and thickness of our sedimentary formations are the result and the measure of the denudation which the earth's crust has elsewhere undergone. Therefore a man should examine for himself the great piles of superimposed strata, and watch the rivulets bringing down mud, and the waves wearing away the sea-cliffs, in ...
— On the Origin of Species - 6th Edition • Charles Darwin

... of new specific forms, and these points are the least favourable for the embedment of fossils{420}: I appeal, as evidence, to the state of the numerous scattered islands in the several great oceans: how rarely do any sedimentary deposits occur on them; and when present they are mere narrow fringes of no great antiquity, which the sea is generally wearing away and destroying. The cause of this lies in isolated islands being generally volcanic and rising points; ...
— The Foundations of the Origin of Species - Two Essays written in 1842 and 1844 • Charles Darwin

... the heart of that Alpine region. After fairly entering upon the Plains, every stream begins to burrow and to wash, growing more and more turbid, until it is lost in 'Big Muddy,' the most opaque and sedimentary of all great rivers. I suspect that all the other rivers of this continent convey in the aggregate less earthy matter to the ocean than the Missouri pours into the previously transparent Mississippi, thenceforth an unfailing testimony that evil company corrupts and defiles. Louisiana ...
— Continental Monthly, Vol. I. February, 1862, No. II. - Devoted To Literature And National Policy • Various

... formations in a vertical series, which Cuvier and Brongniart had observed near Paris; or the sandwiching of layers of coal, of subaerial formation, between layers of subaqueous clay or sandstone, which may be observed everywhere in the coal measures. In particular, the extreme thickness of the sedimentary strata as a whole, many times exceeding the depth of the deepest known sea, was for the first time explicable when it was understood that such strata had formed ...
— A History of Science, Volume 3(of 5) • Henry Smith Williams

... substantially the same nature, and very nearly of the same degree of intensity throughout the whole vast eons of geological time, and they have resulted in a wonderfully complex succession of rock-formations—volcanic, plutonic, and sedimentary—more or less intermingled throughout the whole series, here remaining horizontal as when first deposited, there upheaved or depressed, fractured or crushed, inclined or contorted; denuded by rain and rivers with the assistance of heat and ...
— Is Mars Habitable? • Alfred Russel Wallace

... Series', had been supported by numerous excellent geologists, but W. T. Blanford proved the theory to be untenable, there being 'clear and unmistakable evidence that the traps were in great part of sub-aerial formation', The intercalation of sedimentary beds with fresh-water fossils is conclusive proof that the lava-flows associated with such beds cannot be submarine. The hypothesis that the lower beds of traps were poured out in a vast, but shallow, freshwater lake extending throughout the area over which the ...
— Rambles and Recollections of an Indian Official • William Sleeman

... present features of a character sufficiently definite to bring the question of their origin within the sphere of close reasoning. That they were in whole or in part once beneath the sea will not be disputed; for they are in great part composed of sedimentary rocks which required a sea to form them. Their present elevation above the sea is due to one of those local changes in the shape of the earth which have been of frequent occurrence throughout geologic ...
— Fragments of science, V. 1-2 • John Tyndall

... the mouths of the Adige to those of the Piave there stretches, at a variable distance of from three to five miles from the actual shore, a bank of sand, divided into long islands by narrow channels of sea. The space between this bank and the true shore consists of the sedimentary deposits from these and other rivers, a great plain of calcareous mud, covered, in the neighborhood of Venice, by the sea at high water, to the depth in most places of a foot or a foot and a half, and ...
— Stones of Venice [introductions] • John Ruskin

... fundamental facts of the geological history of our planet are enumerated. A continuation of these investigations will perhaps show, that our globe has increased gradually from a small beginning to the dimensions it now possesses; that a considerable quantity of the constituents of our sedimentary strata, especially of those that have been deposited in the open sea far from land, are of cosmic origin; and will throw an unexpected light on the origin of the fire-hearths of the volcanoes, and afford a simple explanation of the remarkable resemblance ...
— The Voyage of the Vega round Asia and Europe, Volume I and Volume II • A.E. Nordenskieold

... overview: Economic activity is limited to commercial fishing. The proximity to nearby oil- and gas-producing sedimentary basins suggests the potential for oil and gas deposits, but the region is largely unexplored, and there are no reliable estimates of potential reserves; commercial exploitation has yet ...
— The 2000 CIA World Factbook • United States. Central Intelligence Agency.

... and overthrown, to be covered by sedimentary deposits such as those which cover our coal-seams, the amount of coal which would be thereby formed for use in some future age, would amount to a thickness of perhaps two or three inches at most, and yet, in one coal-field alone, ...
— The Story of a Piece of Coal - What It Is, Whence It Comes, and Whither It Goes • Edward A. Martin

... in explaining the origin of chalk and clay, for the rocks of the region about Paris, with which he was familiar, are sedimentary and largely ...
— Lamarck, the Founder of Evolution - His Life and Work • Alpheus Spring Packard

... differs essentially from the other two deposits, the northern near Makna, and the southern near El-Wijh, in being plutonic and not sedimentary. One would almost say that it smokes, and the heat-altered condition of the granite, the greenstone, and other rocks, looking as if fresh from a fire, suggests that it may be one of the igneous veins, thrown ...
— The Land of Midian, Vol. 1 • Richard Burton

... the countenance has a dull, tawny look. If the kidneys be disturbed by it, there may be pain and a sensation of weight in the back, while the urine may be scanty and high-colored, or abundant, pale, and limpid, frequently charged with sedimentary products of disease, and voided with difficulty. If the womb be implicated in this chronic affection, the menstrual function may be deranged, and result in an excessive or a deficient monthly flow, and be followed by ...
— The People's Common Sense Medical Adviser in Plain English • R. V. Pierce

... very distinct manner the structure of these veins,—a structure which is found to be on the whole very general in the Province. The quartz is not found, as might naturally be supposed from its position among sedimentary rocks, lying in anything like a plain, even sheet of equal thickness. On the contrary, it is seen to be marked by folds or plications, occurring at tolerably regular intervals, and crossing the vein at an angle of 40 deg. or 45 deg. ...
— The Atlantic Monthly, Vol. 13, No. 79, May, 1864 • Various

... either of those changes took place; as to that, opinions may differ; but as to the fact that the changes themselves have occurred, from the earliest geological ages down to the present day, and are still going on, there is no difference of opinion. Every successive stratum of sedimentary rock, sand, or gravel, is a proof that changes of level have taken place; and the different species of animals and plants, whose remains are found in these deposits, prove that corresponding changes did ...
— The Malay Archipelago - Volume I. (of II.) • Alfred Russel Wallace



Words linked to "Sedimentary" :   igneous, geology, sedimentary rock, sediment, sedimentary clay



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