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Let the region, for example, near the head waters of the great rivers sink at the rate of from 4 to 6 feet per century, while only half as much subsidence occurs towards the circumference of the mountains the rate diminishing about an inch per mile in a distance, say of 40 miles this might convert many of the largest and deepest valleys at their lower ends into lakes.
Since publishing my views on this subject in 1845, I have watched the progress of Geology, and have been surprised to note how author after author, in treating of this or that great formation, has come to the conclusion that it was accumulated during subsidence.
When a region sinks slowly below the waves, no matter how insensible the subsidence may be, there will often come a time of sudden and vast inundations, as the higher ridges of the coast just dip below the water-level and the lower interior is flooded.
He visited the famous "roads of Glen Roy" in the Grampian Hills, where so many geologists had broken a lance in defense of their theories of subsidence and upheaval, of ancient ocean-levels and sea-beaches, formed at a time when they believed Glen Roy and the adjoining valleys to have been so many fiords and estuaries.
Whether the bars were magnetised by the electric current, or were excited by the contact of permanent steel magnets, induced currents were always generated during the rise, and during the subsidence of the magnetism. The use of iron was then abandoned, and the same effects were obtained by merely thrusting a permanent steel magnet into a coil of wire.
The great barrier of New Caledonia is thus imperfect and broken in many parts; hence, after long subsidence, this great reef would not produce one great atoll 400 miles in length, but a chain or archipelago of atolls, of very nearly the same dimensions with those in the Maldiva Archipelago.
The two extremities, it was said, of this ancient structure, bear such a relation to the present level of the two estuaries, that neither subsidence nor elevation of the land could have occurred for seventeen centuries at least. But Mr.
When, however, the period of upheaval was followed by one of gradual subsidence, the movement not being everywhere strictly uniform, lake-basins would be formed wherever the rate of depression was in excess in the upper country.
In silent contemplation, the two gentlemen awaited the subsidence of the bead. Then, smiling intensely, they cordially grasped the flowing mugs; they made the edges click; they paused. "Sir," said one, with genial blandness. "Sir," responded the other, in like manner. Contemporaneously they partook of the cheering fluid. Gradually each gentleman's nose was eclipsed by the aspiring orb of pottery.
"Everybody," observed D'Alembert, expressing by that cruel saying the violence of public feeling against the condemned, "everybody, except the hangman, has a right to kill Lally." Voltaire's judgment, after the subsidence of passion and after the light thrown by subsequent events upon the state of French affairs in India before Lally's campaigns, is more just.
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