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Early Evidence for Continental Drift Hypothesis

Figure (PageIndex2): Snider-Pellegrini’s map showing the continental fit and separation, 1858.

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Wegener’s first piece of proof was that the coastlines of some continents fit together like pieces of a jigwitnessed puzzle. People noticed the similarities in the coasts of South America and also Africa on the initially world maps, and some argued the continents had actually been ripped apart <3>. Antonio Snider-Pellegrini did preliminary work-related on continental separation and corresponding fossils in 1858.

Figure (PageIndex3): Map of world elevations. Keep in mind the light blue, which are continental shelves flooded by shallow sea water. These display the true forms of the continents.

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What Wegener did in a different way was manufacturing a large amount of data in one location. He supplied the true edges of the continents, based upon the shapes of the continental shelves <4>. This led to a better fit than previous initiatives that traced the existing coasts <5>.

Tbelow are 4 various fossil organisms that attach South America, Africa, India, Antartica, and also did opponents of continental drift account