 | Geological Society of London - 1850 - 848 Seiten
...p. 231. el place, and a rude estimate might be made of the numher of cuhic feet of lava and scoriae poured or cast out of various craters. The amount...sea-cliffs, are changes the minimum amount of which might he roughly estimated. The quantity of land raised above or depressed below the level of the sea might... | |
 | 1851 - 406 Seiten
...eruptions take place, and a rude estimate might be made of the number of cubic feet of lava and scoriae poured or cast out of various craters. The amount...or depressed below the level of the sea might also be computed, and the change arising from such movements in a century might be conjectured. Suppose... | |
 | 1851 - 438 Seiten
...eruptions take place, and a rude estimate might be made of the number of cubic feet of lava and scoriae poured or cast out of various craters. The amount...or depressed below the level of the sea might also be computed, and the change arising from such movements in a century might be conjectured. Suppose... | |
 | Sir Charles Lyell - 1854 - 870 Seiten
...eruptions take place, and a rude estimate might be made of the number of cubic feet of lava and scoriae poured or cast out of various craters. The amount...or depressed below the level of the sea might also be computed, and the change arising from such movements in a century might be conjectured. Suppose... | |
 | Sir Charles Lyell - 1872 - 712 Seiten
...eruptions take place, and a rude estimate might be made of the number of cubic feet of lava and scoriee poured or cast out of various craters. The amount...annual retreat of wasting sea-cliffs, are changes the amount of which might be roughly estimated. The extent of land raised above or depressed below the... | |
 | Sir Charles Lyell - 1872 - 714 Seiten
...eruptions take place, and a rude estimate might be made of the number of cubic feet of lava and scoriae poured or cast out of various craters. The amount...annual retreat of wasting sea-cliffs, are changes the amount of which might be roughly estimated. The extent of land raised above or depressed below the... | |
| |
Soc., vol. iii. p. 231. wholly inappreciable to the naturalist, still it is certainly far less manifest than the revolution always in progress in the inorganic world. Every year some volcanic eruptions take place, and a rude estimate might be made of... 