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As for the young men, they were chiefly specimens of the vulgar sediment of London life, often shabbily genteel, rowdyish, pale, wearing the unbrushed coat, unshifted linen, and unwashed faces of yesterday, as well as the haggardness of last night's jollity in a gin-shop.
The cup is small, it is smeared with grounds; the coffee is black, thick, unsavory of smell, and execrable in taste. The bottom of the cup has a muddy sediment in it half an inch deep. This goes down your throat, and portions of it lodge by the way, and produce a tickling aggravation that keeps you barking and coughing for an hour.
In all cases the fossilization of any form depends upon the accumulation of sediment before the processes of destruction have overtaken them, and among these processes we must give the first place to the creatures which subsist on shells, bones, or other substances of like nature which find their way to the ocean floor.
When we see, as is so often the case, a formation composed of beds of different mineralogical composition, we may reasonably suspect that the process of deposition has been much interrupted, as a change in the currents of the sea and a supply of sediment of a different nature will generally have been due to geographical changes requiring much time.
In brief, accumulated evidence shows, that by contact with, or proximity to, the molten matter of the Earth's nucleus, all beds of sediment are liable to be actually melted, or partially fused, or so heated as to agglutinate their particles; and that according to the temperature they have been raised to, and the circumstances under which they cool, they assume the forms of granite, porphyry, trap, gneiss, or rock otherwise altered.
Irrigating Walnuts-Checks or Furrows. Which is the best method to irrigate a tract of 25 acres of sandy sediment sail, nearly level, preparatory to planting walnuts? By all means use the furrow system of irrigation unless your land should be so light that the water would sink in the furrows and distribution would be very unequal without covering the whole surface as is done by filling checks.
His brain was tired with conjecturing as to what had happened to her when the water had reached its flood. Had the force of it shoved her into deeper water? Had the sand which the water carried at that period filled and covered her? Had the current wrenched her to pieces and imbedded the machinery deep in the sediment and mud?
In that country rocks before concealed may have become exposed by denudation; volcanos may have burst out and covered the surface with scoriae and lava; or new lakes, intercepting the sediment previously conveyed from the upper country, may have been formed by subsidence; and other fluctuations may have occurred, by which the materials brought down from thence by rivers to the sea have acquired a distinct mineral character.
In a few months the sheet of sediment is brought near the plane of the tidal movement, then the gates are closed at times when the tide has attained half of its height, so that the ground within the dike is not visited by the sea water, and can be cultivated. Along the coast of New England the ordinary marine marshes attain an extensive development in the form of broad-grassed savannas.
These animals belonged to a late geological period, the Pliocene, just before the glacial epoch, and therefore could have no connection with the carboniferous vegetation. "Why?" "Because animal life existed upon the earth only in the secondary period, when a sediment of soil had been deposited by the rivers, and taken the place of the incandescent rocks of the primitive period."
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