The Earth; A Descriptive History of the Phenomena of the Life of the Globe Volume 1

The Earth; A Descriptive History of the Phenomena of the Life of the Globe Volume 1

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This historic book may have numerous typos and missing text. Purchasers can usually download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1871 edition. Excerpt: ... once startled them, crowds of travellers now find their way to the mountains; they learn to know them, to love them, and to describe them. Thus languages are enriched, and science gains a further store of information. CHAPTER XXI. INEQUALITIES AND DEPRESSIONS IN THE VERTICAL OUTLINE OF MOUNTAINS. ORIGIN OF VALLEYS, GORGES, AND OTHER DEPRESSIONS. LONGITUDINAL VALLEYS. TRANSVERSE VALLEYS. WINDING VALLEYS WITH PARALLEL SIDES. VALLEYS WITH DEFILES AND GRADATIONS OF LEVELS.---CLUSES AND CANONS. GENERAL ARRANGEMENT OF VALLEYS. AMPHITHEATRES. THE OULES OF THE PYRENEES. Mere height constitutes but the most inconsiderable element in the beauty of mountains: the majesty as well as grace of their appearance is chiefly due to the distortions and dip of their strata, the circular dells and glens which are hollowed out upon their slopes, their yawning defiles, their abrupt precipices, and, finally, the broad valleys stretched out at the base of the colossus, which, by the contrast that they afford, enable us the better to appreciate the magnificence of its proportions. Owing to the variety of outline and scenery caused by all these successive depressions, the mountain has assumed an aspect of grandeur and life which it must originally have wanted. Like a block of marble transfigured by the sculptor's hand, the mighty mass, once a monotonous plateau or mere dome of rock, has been gradually modified by meteoric agents incessantly affecting it, and has been converted into one of those mountains, in the proud profile of which our forefathers recognised the face of a god. We may easily figure to ourselves all the changes which have been effected in the form of mountains by the various depressions of the soil, if we visit certain groups of heights, one more

Product details

  • Paperback | 102 pages
  • 189 x 246 x 5mm | 195g
  • United States
  • English
  • black & white illustrations
  • 1236948866
  • 9781236948861