Theory of Plate Tectonics

The video explores the evolution of Wegener's theory of continental drift into the modern theory of plate tectonics. It explains that tectonic plates, composed of the Earth's crust and upper mantle, float on the denser asthenosphere. The video describes the characteristics of these plates, including their thickness and density, and highlights the major and minor plates, such as the Pacific and Juan de Fuca plates. It concludes by discussing how the movement of these plates leads to various geological events and features on Earth's surface.

What is the theory of plate tectonics?

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What are tectonic plates made up of?

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How thick are tectonic plates on average?

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What is the largest lithospheric plate?

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What geological events are caused by the movement of tectonic plates?

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