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Early evidence for continental Drift Hypothesis

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

You are watching: Wegener’s continental drift hypothesis stated that all the continents once joined together to form

Wegener’s first piece of evidence was that the shores of some continents right together favor pieces of a jigsaw puzzle. Human being noticed the similarities in the coastlines of southern America and also Africa top top the an initial world maps, and some said the continents had been ripped personally <3>. Antonio Snider-Pellegrini did preliminary occupational on continent separation and matching fossils in 1858.

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

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What Wegener did in different ways was synthesizing a huge amount the data in one place. He offered the true edges of the continents, based upon the forms of the continent shelves <4>. This caused a much better fit than previous initiatives that traced the existing shores <5>.

There space four different fossil biology that connect South America, Africa, India, Antartica, and Australia.wegener’s continental drift hypothesis stated that all the continents once joined together to form