Frankische Volkslieder Mit Ihren Zweistimmigen Weisen, Wie Sie Von Wolke Gesungen Werden

Frankische Volkslieder Mit Ihren Zweistimmigen Weisen, Wie Sie Von Wolke Gesungen Werden

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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. 1855 edition. Excerpt: ... However, we may mention that Professor Huxley defeated with more or less success an attack on geologists from an eminent physicist, Sir William Thompson, who sought greatly to limit their demands for time by announcing that according to his calculations (based on the sun's cooling) they ought to consider a length of time represented by 100,000,000 of years quite sufficient to allow for the formation of all the stratified rocks. Accepting the challenge, Professor Huxley applied the limit of 100,000,000 years to the 100,000 feet of rock, by which the whole stratified series are often represented, and, by dividing the time by the depth of rock formed, obtained an average rate of formation of Y3 inch per annum, or 1 inch in 83 years. Thus we see that at that rate 100,000 feet of rock could have been formed in 100,000,000 years, or 1 foot in 996 years. And who would be bold enough to say that the stratified rocks have been formed at a slower rate than this of 1 inch in 83 years, considering that so many of them were deposited in shallow water near coasts? Now we have to consider what happened after the coal period. On looking at the Carboniferous rocks in different parts of the country it is quite clear at a glance that they were not. allowed to remain peacefully at their native horizontal, but were much upheaved and disturbed, thrown into folds--here an arch or "anticline," there a trough or " syncline." All this disturbance took place before the next geological period, when the Permian and New Red Sandstone rocks were formed. In proof of this statement we appeal to the fact that the latter lie unconformably in the Carboniferous (or Old Red Sandstone) rocks beneath them (see diagram p. 138), evidence which can no...show more

Product details

  • Paperback
  • 189 x 246 x 4mm | 141g
  • Rarebooksclub.com
  • United States
  • English
  • black & white illustrations
  • 1236780914
  • 9781236780911