A Geological ManualCarey & Lea, 1832 - 535 pages |
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Common terms and phrases
abundant Alps animals appear Baculite Bast beach beds beneath blocks Bordeaux Bradford Clay Broc Brong Brongniart calcareous carboniferous Chalk coal coast composed conglomerate considerable considered containing Conyb Coral Rag Cornbrash cretaceous deposit depth detritus Dufr earthquake Eifel elevation Elie de Beaumont existing species fathoms feet felspar Forest Marble formed fossils France fresh-water geological Goldf granite grauwacke gravel Green Sand Haute Saone hills hyænas Inferior Oolite islands Isle Italy Köpinge lake land latter lava Léognan Lias limestone Lons Lyme Regis Maestricht Mant marine marls mass miles mountains Munst Murch Nils Normandy noticed observed occur organic remains Oxford Clay pebbles phænomena Phil portion present produced Ratingen red sandstone river rocks Saucats Schlot shells slate species not determined Speeton Clay springs strata Streitberg substances supposed supracretaceous surface Sussex temperature Thir tides transported upper valleys various vegetable velocity volcanic Yorks Yorkshire Zieten
Popular passages
Page 113 - ... and flaming billows. Fifty-one conical islands, of varied form and size, containing so many craters, rose either round the edge or from the surface of the burning lake. Twenty-two constantly emitted columns of grey smoke, or pyramids of brilliant flame : and several of these at the same time vomited from their ignited mouths streams of lava, which rolled in blazing torrents down their black indented sides into the boiling mass below.
Page 113 - After walking some distance over the sunken plain, which in several places sounded hollow under our feet, we at length came to the edge of the great crater, where a spectacle, sublime and even appalling, presented itself before us —
Page 4 - That there is no notable difference in sea-water under different meridians. 4. That there is no satisfactory evidence that the sea at great depths is more salt than at the surface.
Page 51 - We learn from observation, that a velocity of three inches per second at the bottom will just begin to work upon fine clay fit for pottery, and however firm and compact it may be, it will tear it up.
Page 111 - ... feet in the lowest part, leaving the rest for the diameter of the area within. These details could only be observed in the intervals between the great eruptions, some of which I witnessed from the boat No words can describe their sublime grandeur. Their progress was generally as follows: — After the volcano had emitted for some time its usual quantities of white steam, suddenly the whole aperture was filled with an enormous mass of hot cinders and dust, rushing upwards to the height of some...
Page 34 - ... advisable to divide European rocks can be detected by the same organic remains in various distant points of the globe is to assume that the vegetables and animals distributed over the surface of the world were always the same at the same time, and that they were all destroyed at the same moment, to be replaced by a new creation, differing specifically, if not generically, from that which immediately preceded it. From this theory it would also bo inferred that the whole surface of the world possessed...
Page 113 - ... feet deep. The bottom was covered with lava, and the south-west and northern parts of it were one vast flood of burning matter, in a state of terrific ebullition, rolling to and fro its " fiery surge
Page 106 - counter currents, or those which return beneath the surface of the water, are also very remarkable. In some parts of the Archipelago they are sometimes so strong as to prevent the steering of the ship ; and in one instance, on sinking the lead, when the sea was calm and clear, with shreds of bunting of various colours attached at every yard of the line, they pointed in different directions all round the compass.
Page 51 - ... fine clay fit for pottery, and however firm and compact it may be, it will tear it up. Yet no beds are more stable than clay when the velocities do not exceed this: for the water soon takes away the impalpable particles of the superficial clay, leaving the particles of sand sticking by their lower half in the rest of the clay, which they now protect, making a very permanent bottom, if the stream does not bring down gravel or coarse sand, which will rub oil...
Page 385 - ... the snout of a dolphin, the teeth of a crocodile, the head and sternum of a lizard, paws of the cetacea, but to the number of four, and the vertebrae of a fish...