| William Gifford, Sir John Taylor Coleridge, John Gibson Lockhart, Whitwell Elwin, William Macpherson, William Smith, Rowland Edmund Prothero (Baron Ernle), George Walter Prothero - 1830 - 620 pages
...is deepened at the same time that it is widened, or shifted on one side. When earthy matter becomes intermixed with running water, a new mechanical power...obtained by the attrition of sand and pebbles borne along by the stream, and impinging with the momentum they acquire against its banks or bottom. The specific... | |
| William Gifford, Sir John Taylor Coleridge, John Gibson Lockhart, Whitwell Elwin, William Macpherson, William Smith, Sir John Murray (IV), Rowland Edmund Prothero (Baron Ernle) - 1830 - 622 pages
...is deepened at the same time that it is widened, or shifted on one side. When earthy matter becomes intermixed with running water, a new mechanical power...obtained by the attrition of sand and pebbles borne along by the stream, and impinging with the momentum they acquire against its banks or bottom. The specific... | |
| 1830 - 398 pages
...oxygen gradually destroys the equilibrium of the elements of stones and tends to reduce into powder, to render fit for soils, even the hardest aggregates belonging to our globe. Electricity, as a chemical agent, mify be considered, not only as directly producing an infinite variety... | |
| 1831 - 444 pages
...the same time that it is widened, or shifted on one side. When earthy matter becomes intermixed witli running water, a new mechanical power is obtained by the attrition of sand and pebbles borne alotig by the stream, and impinging with the momentum they acquire against its banks or bottom. The... | |
| Sir Charles Lyell - 1832 - 634 pages
...gradually absorbed by all animal and vegetable productions, and by almost all mineral masses exposed to t\e open air. It gradually destroys the equilibrium of...even the hardest aggregates belonging to our globe *. And as it is well known that almost everything effected by rapid combustion may also be effected... | |
| sir Charles Lyell (bart.) - 1835 - 440 pages
...atmosphere. The oxygen of the atmosphere is also gradually absorbed by all animal and vegetable productions, and by almost all mineral masses exposed to the open...destroys the equilibrium of the elements of rocks, and The valley of the Meuse, near Givet, and many ofa in different countries, offer similar windings. Scrope... | |
| John Lee Comstock - 1836 - 396 pages
...of the decay of rocks. " This element is gradually absorbed by all Animal and vegetable substances, and by almost all mineral masses exposed to the open...destroys the equilibrium of the elements of rocks, even the hardest aggregates belonging to our globe." — Sir H. Davy. When earthy matter has been once... | |
| Sir Charles Lyell - 1837 - 500 pages
...atmosphere. The oxygen of the atmosphere is also gradually absorbed by all animal and vegetable productions, and by almost all mineral masses exposed to the open...matter has once been intermixed with running water, anew mechanical power is obtained by the attrition of sand and pebbles, borne along with violence by... | |
| John Lee Comstock - 1841 - 398 pages
...of the decay of rocks. " This element is gradually absorbed by all animal and vegetable substances, and by almost all mineral masses exposed to the open...destroys the equilibrium of the elements of rocks, even the hardest aggregates belonging to our globe." — Sir H. Davy. produce excavations, m consequence... | |
| John Lee Comstock - 1841 - 478 pages
...of the decay of rocks. " This element is gradually absorbed by all animal and vegetable substances, and by almost all mineral masses exposed to the open air. It gradually deitroys the equilibrium of the elements of rocks, even the hardest aggregates belonging to our globe."—Sir... | |
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