CHAPTER XII
The Continental Margin |
173 |
The disturbance of gravity on the margin of continents. Pressure-relations. Formation of fiords. Submarine continuations of river-valleys on the Atlantic coasts. Festoons of islands. Echeloned festoons. Their geological structure. The bulging form of the coasts behind the East Asiatic festoons. Richthofen’s explanation of the festoons. Sliding coastal ranges. The Peninsula of California and the earthquake fault of San Francisco. The continental margin of Further India. Pacific and Atlantic types of coast.
CHAPTER XIII
The Displacing Forces |
190 |
The drift from the poles of the continental blocks. Their westward drift. Meridional rifts. Nature of the force causing the drift from the poles, and its mathematical expression. Westward directed forces. Forces derived from the deviation of the figure of the earth from the ellipsoid of rotation. Similar forces in the geological past. Cause and effect.
Index |
207 |
