Travels in North America: With Geological Observations on the United States, Canada, and Nova Scotia, Том 2J. Murray, 1845 - 5 стор. |
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Travels in North America: With Geological Observations on the United States ... Charles Lyell Попередній перегляд недоступний - 2007 |
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abundance America ancient appears bank Bay of Fundy beds boulder formation British Brongn Brookfield Canada Cape Breton carboniferous Cincinnati clay cliffs coal-field coal-measures coloured containing Debert Debert River deposits Devonian district drift England Europe Fcap feet thick ferns forest formed fossiliferous fossils furrows Geological Society geologists gneiss grænlandica granite gravel gypsiferous gypsum HAND-BOOK height hills hypogene inches Island Joggins Lake Champlain Lake Erie Lake Ontario land Lawrence layers Lepidodendron LIBRARIES STANFORD limestone Lower Silurian marine shells mass mastodon miles Minudie Montreal mountain MURRAY'S LIST NAMES OF FOSSIL nearly Niagara northern Nova Scotia observed Ohio origin Pecopteris Pictou Plates Post 8vo Quebec red marl red sandstone ridges sand Second Edition shale shore Shubenacadie Sigillaria South Joggins species Stigmaria strata stratified surface Tellina terrace upright trees valley Verneuil vols Windsor Woodcuts York
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Сторінка 35 - The same conformity of organization is not less obvious in the osteological structure of these people, as seen in the squared or rounded, head, the flattened or vertical occiput, the high cheek bones, the ponderous maxillae, the large quadrangular orbits, and the low, receding forehead.
Сторінка 24 - I was truly astonished, now that I had entered the hydrographical basin of the Ohio, at beholding the richness of the seams of coal, which appear everywhere on the flanks of the hills and at the bottom of the valleys, and which are accessible in a degree I never witnessed elsewhere. The time has not yet arrived, the soil being still densely covered with the primeval forest, and manufacturing industry To face Vol.
Сторінка 232 - This lake-like scenery continues for about fifteen miles, during which the fall of the river scarcely exceeds as many feet, but on reaching the rapids, it descends over a limestone bed about 50 feet in less than a mile, and is then thrown down about 165 feet perpendicularly at the Falls.
Сторінка 171 - He also stated that fragments of the " black stone" which fell from the summit of the cliff, » a pile of which, d, fig. 16, lay at its base, were often frozen into the ice, and moved along with it. I then examined these fallen blocks of amygdaloid scattered round me, and observed in them numerous geodes coated with quartz crystals. I have no doubt that the hardness of these gravers, firmly fixed in masses of ice, which, although only fifteen feet thick, are often of considerable horizontal extent,...
Сторінка 26 - Horizontal galleries may be driven everywhere at very slight expense, and so worked as to drain themselves, while the cars, laden with coal and attached to each other, glide down on a railway, so as to deliver their burden into barges moored to the river's bank.
Сторінка 37 - European nation, appears to me a baseless hypothesis, however true it may be that the aboriginal Americans had derived some hints from foreign sources If, then, a large continent can be inhabited by hundreds of tribes, all belonging to the same race, and nearly all remaining for centuries in a state of apparently hopeless barbarism, while two or three of them make a start in their social condition, and in the arts and sciences; if these same nations, when brought into contact with Europeans, relapse...
Сторінка 95 - Secondly, a gradual submergence then took place, bringing down each part of the land successively to the level of the waters, and then to a moderate depth below them. Large islands and bergs of floating ice came from the north, which, as they grounded on the coast and on shoals, pushed along all loose materials of sand and pebbles, broke off...
Сторінка 169 - ... passage of sand and gravel, washed over it from the talus of fallen fragments, which lies at the foot of the cliff on the beach above. The slow but constant undermining of the perpendicular cliff forming this promontory, round which the powerful currents caused by the tide sweep backwards and forwards with prodigious velocity, must satisfy every geologist that the denudation by which the ledge in question has been exposed to view is of modern date. Whether the rocks forming the cliff extended...
Сторінка 70 - THE pork aristocracy of Cincinnati does not mean those innumerable pigs which walk at large about the streets, as if they owned the town, but a class of rich merchants, who have made their fortunes by killing annually, salting, and exporting, about 200,000 swine. There are, besides these, other wealthy proprietors, who have speculated successfully in land, which often rises rapidly in value as the population increases.