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  • Alfred Wegener's Discovery of Glacial Striations: Evidence for Continental Drift
    Alfred Wegener found glacial striations in multiple locations across the globe, which was a key piece of evidence for his theory of continental drift. Here are some notable examples:

    * South America and Africa: Wegener observed matching glacial striations on the eastern coast of South America and the western coast of Africa. These striations pointed in the same direction, suggesting that these continents were once joined together.

    * India: Wegener also found glacial striations in India, which were oriented in a direction that indicated movement from the south towards the north. This supported his idea that India was once located further south and had drifted northwards.

    It's important to note that Wegener didn't just *find* glacial striations, he studied and compared them across continents to demonstrate how they supported his theory. He was particularly interested in the direction and orientation of the striations, as this indicated the movement of glaciers and, consequently, the movement of the continents.

    While Wegener's theory of continental drift was initially met with skepticism, the discovery of glacial striations, along with other evidence like matching fossil records and geological formations, ultimately helped to establish the foundation for the modern theory of plate tectonics.

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