| Robert Walsh, Eliakim Littell, John Jay Smith - 1831 - 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... | |
| Sir Charles Lyell - 1847 - 866 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...soils, even the hardest aggregates belonging to our globe.f When earthy matter has once been intermixed with running water, a new mechanical power is obtained... | |
| John Lee Comstock - 1847 - 434 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. LIGN. 108. Runnmg water. 550.... | |
| Sir Charles Lyell - 1990 - 594 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...even the hardest aggregates belonging to our globe *. And as it is well known that almost every thing affected by rapid combustion may also be affected... | |
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