The Coast Scenery of North Devon Being An Account of the Geological Features of
The Coast Scenery of North Devon Being An Account of the Geological Features of
E a Newell Edward Alexander Newell Arber
The book The Coast Scenery of North Devon Being An Account of the Geological Features of was written by author E a Newell Edward Alexander Newell Arber Here you can read free online of The Coast Scenery of North Devon Being An Account of the Geological Features of book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is The Coast Scenery of North Devon Being An Account of the Geological Features of a good or bad book?
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The opposite face B, or, as we may call it, the counterdip face, is stable. Thus, the most un- stable cliff is one dipping in the direction of the sea's attack. There are two fairly stable and three very stable cases. In Devonshire and Cornwall, horizontal beds are rarely met with, and, as a rule, the tilted strata seen in the cliff are the limbs of folded rocks. We now come to study the effect of sea erosion on folded rocks, beginning with simple folds, such as anticlines and synclines. We mus...t, again, clearly distinguish between cases where the sea is working, either across the axis of the fold, or parallel to the axis. Naturally the most striking sections of the folds are seen where the erosion is taking place at right angles to the axis. In the photograph on Plate II, we see the effect of the sea working across the axis of a syncline. Such folds are rarely seen in the cliffs, because they are very unstable. If the heart of the fold (i. E. The central beds) is cut out by the sea, the higher portions of the same beds above tend to slip down and to be washed away.
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