Principles of geology, Том 1John Murray, 1835 |
Често срещани думи и фрази
ages alluvial ancient animals Apennines appear arctic ation Auvergne basalt beds bones calcareous carbonate carbonic acid carboniferous causes century changes channel chap climate containing corals crust currents delta deluge deposits depth distance doctrine earth earthquakes elevation Eocene epoch Etym Europe existing extinct feet flood flow formations former fossil fossil shells geographical geological geologists globe gneiss gradual granite gulf heat height hemisphere hundred igneous inhabitants islands Journ lakes land latitudes lava lime limestone marine mass matter Mediterranean Melville Island miles mineral modern mountains nature northern northern hemisphere observations ocean oolitic opinions Orcia organic remains origin period petrifactions phenomena plants present probably quadrupeds quantity recent regions Rhone rise rivers rocks sand secondary sediment Siberia snow species springs stone Strabo strata stream subterranean supposed surface temperature tertiary testacea theory thousand travertin tropical tufa valley vegetable volcanic
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Страница 92 - ... in the planetary motions, where geometry has carried the eye so far both into the future and the past, we discover no mark either of the commencement or the termination of the present order.
Страница 45 - And tho' it must be granted, that it is very difficult to read them, and to raise a Chronology out of them, and to state the intervalls of the times wherein such, or such catastrophies and mutations have happened ; yet 'tis not impossible...
Страница 92 - ... of men, carry in themselves the elements of their own destruction. He has not permitted in His works any symptom of infancy or of old age, or any sign by which we may estimate either their future or their past duration. He may put an end, as he no doubt...
Страница xix - GEOLOGY is the science which investigates the successive changes that have taken place in the organic and inorganic kingdoms of nature: it inquires into the causes of these changes, and the influence which they have exerted in modifying the surface and external structure of our planet.
Страница 15 - These general propositions are then confirmed by a series of examples, all derived from natural appearances, except the first, which refers to the golden age giving place to the age of iron. The illustrations are thus consecutively adduced. 1. Solid land has been converted into sea. 2. Sea has been changed into land. Marine shells lie far distant from the deep, and the anchor has been found on the summit of hills. 3. Valleys have been excavated by running water, and floods have washed down hills...
Страница 53 - He knew the seat of Paradise, Could tell in what degree it lies, And, as he was disposed, could prove it Below the moon, or else above it...
Страница 249 - ... as well as of reproduction; but they may also be regarded as antagonist forces. For the aqueous agents are incessantly labouring to reduce the inequalities of the earth's surface to a level; while the igneous are equally active in restoring the unevenness of the external crust, partly by heaping up new matter in certain localities, and partly by depressing one portion, and forcing out another, of the earth's envelope.
Страница 110 - ... is easy to perceive what extravagant systems they would frame, while under the influence of this delusion, to account for the monuments discovered in Egypt. • The sight of the pyramids, obelisks, colossal statues, and ruined temples, would fill them with such astonishment, that for a time they would be as men spell-bound — wholly incapable of reasoning with sobriety. They might incline at first to refer the construction of such stupendous works to some superhuman powers of a primeval world.
Страница 385 - MARL. A mixture of clay and lime ; usually soft, but sometimes hard, in which case it is called indurated marl. MARSUPIAL ANIMALS. A tribe of quadrupeds having a sack or pouch under the belly, in which they carry their young. The kangaroo is a well-known example.
Страница 66 - The first of these obnoxious passages, and the only one relating to geology, was as follows: — "The waters of the sea have produced the mountains and valleys of the land — the waters of the heavens, reducing all to a level, will at last deliver the whole land over to the sea, and the sea, successively prevailing over the land, will leave dry new continents like those which we inhabit.