 I have had occasion to dig up a great number of bowlders, of red sandstone, and of the conglomerate kind, in erecting a cotton manufactory; and it was not uncommon to find them worn smooth on the under side, as if done by their having been dragged over...  Annals of Philosophy - Side 3141826Fuld visning - Om denne bog
 | 1827 - 442 sider
...uncommon to find them worn smooth on the under side, as if done by their having been dragged over rocks of gravelly earth, in one steady position. On examination,...and if, among the minerals composing the rock, there happen to be pebbles of feldspar or quartz, (which was not uncommon,) they usually appeared not to... | |
 | 1842 - 476 sider
...find them worn, abraded, and scratched on the lower side, " as if done (to use his own expression) by their having been dragged over rocks and gravelly earth in one steady position," he adds this most remarkable sentence : — " I think we cannot account for these appearances, unless... | |
 | 1842 - 460 sider
...find them worn, abraded, and scratched on the lower side, " a* if done (to use his own expression) by their having been, dragged over rocks and gravelly earth in one steady position," he adds this most remarkable sentence : — " I think we cannot account for these appearances, unless... | |
 | John Holmes Agnew, Eliakim Littell - 1843 - 606 sider
...find them worn, abraded, and scratched on the lower side, " os if done (to use his own expression) by their having been dragged over rocks and gravelly earth in one steady position" he adds this most remarkable sentence: — "/ thmk we cannot account for these appearances, «»•... | |
 | Charles W. Vincent, James Mason - 1843 - 320 sider
...find them worn, abraded, and scratched on the lower side, ' as if done, (to use his own expression,) by their having been dragged over rocks and gravelly earth in one steady position,' he adds this most remarkable sentence : — ' I think we cannot account for these appearances, unless... | |
 | George Ripley, Charles Anderson Dana - 1859 - 814 sider
...sides of the Atlantic. Mr. Dobson describes the appearance of the bowlders abraded and scratched, " as if done by their having been dragged over rocks and gravelly earth in one steady position," and adds : " I think we cannot account for these appearances, unless we call in the aid of ice as well... | |
 | National Academy of Sciences (U.S.) - 1865 - 412 sider
...sandstone boulders, too angular, to have been rolled by floods, and scratched upon their inner sides, " as having been dragged over rocks and gravelly earth in one steady position " ; adding, " I think we cannot account for these appearances unless we call in the aid of ice as well... | |
 | National Academy of Sciences (U.S.) - 1867 - 168 sider
...sandstone boulders, too angular to have been rolled by floods, and scratched upon their inner sides, " as having been dragged over rocks and gravelly earth in one steady position " ; adding, " I think we cannot account for these appearances unless we call in the aid of ice as well... | |
 | George Ripley, Charles Anderson Dana - 1874 - 1288 sider
...where he describes the scratched appearance of the bowlders scattered over New England as if due to " their having been dragged over rocks and gravelly earth in one steady position," and adds : " I think wo cannot account for these appearances unless we call in the aid of ice as well... | |
 | Sir Henry Hoyle Howorth - 1893 - 416 sider
...Silliman, written on Nov. 21st, 1825, we read : " I have had occasion to dig up a great number of boulders of red sandstone and of the conglomerate kind, in...exhibit scratches and furrows on the abraded part. . . These boulders are found not only on the surface, but I have discovered them a number of feet deep... | |
| |
