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Again the answer comes through geography, though no longer in mere map or relief, but now in vertical section in the order of strata ascending from past to present, whether we study rock-formations with the geologist, excavate more recent accumulations with the archaeologist, or interpret ruins or monuments with the historian.
These reactions have, in our case, been of substantially the same nature, and very nearly of the same degree of intensity throughout the whole vast eons of geological time, and they have resulted in a wonderfully complex succession of rock-formations volcanic, plutonic, and sedimentary more or less intermingled throughout the whole series, here remaining horizontal as when first deposited, there upheaved or depressed, fractured or crushed, inclined or contorted; denuded by rain and rivers with the assistance of heat and cold, of frost and ice, in an unceasing series of changes, so that however varied the surface may be, with hill and dale, plains and uplands, mountain ranges and deep intervening valleys, these are as nothing to the diversities of interior structure, as exhibited in the sides of every alpine valley or precipitous escarpment, and made known to us by the work of the miner and the well-borer in every part of the world.
Within, all is as if between two great seaboard cities; the neatly dressed people, the uniformed officials, the handsome fittings, the various appliances for comfort. Without are now long, dreary levels, now deep and wild cañons, now an environment of strange and grotesque rock-formations, castles, battlements, churches, statues.
Within all is as if between two great seaboard cities; the neatly dressed people, the uniformed officials, the handsome fittings, the various appliances for comfort. Without are now long dreary levels, now deep and wild canyons, now an environment of strange and grotesque rock-formations, castles, battlements, churches, statues.
Within all is as if between two great seaboard cities; the neatly dressed people, the uniformed officials, the handsome fittings, the various appliances for comfort. Without are now long dreary levels, now deep and wild canyons, now an environment of strange and grotesque rock-formations, castles, battlements, churches, statues.
He took first of all an unexplored and difficult district at home, and, by the labour of many years, examined its rock-formations, classed them in natural groups, assigned to each its characteristic assemblage of fossils, and was the first to decipher two great chapters in the world's geological history, which must always henceforth carry his name on their title-page.
Of this nature are those faults and violent local dislocations of the rocks, and those sharp bendings and foldings of the strata, which we so often behold in mountain chains, and sometimes in low countries also, especially where the rock-formations are of ancient date.
Both here and at the finer rock of Pordenack, a little southward, the rock-formations somewhat resemble those of the Giants' Causeway in appearance. But the noblest cliff of all on this western promontory is that of Tolpedn-Penwith, to reach which we have to pass Nanjisal Cove.
Parallel with the Promenade, on the other side of the Nancon and across its narrow valley, high rock-formations, called the heights of Saint-Sulpice, follow the stream and descend in gentle slopes to the great valley, where they turn abruptly to the north.
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