What does plate tectonic theory describe?

The theory of plate tectonics, explains how the movement of geologic plates generates earthquakes, volcanoes, and mountain formation, transformed the field of earth sciences. Plates generally are of 2 types i.e. oceanic and continental.

What is Continental drift ?

One of the earliest hypotheses put up by geologists for how continents might migrate through time is called continental drift. The science of plate tectonics has now supplanted the theory of continental drift.

The scientist Alfred Wegener is most closely connected with the concept of continental drift. Wegener wrote a paper outlining his notion that the continents were "drifting" across the Earth, occasionally crashing through oceans and into one another, in the early 20th century. Alfred Wegener called it continental drift.

Plate tectonic theory generally states that there are generally 3 types of movements in plates convergence, divergence, and transformation. By each movement there is some landform generation is taking place. Depending upon the plate type and movement type.

Hence, theory of plate tectonics, explains how the movement of geologic plates generates earthquakes, volcanoes, and mountain formation, transformed the field of earth sciences.

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Plate tectonics is the theory that Earth's outer shell is divided into several plates that glide over the mantle, the rocky inner layer above the core. The plates act like a hard and rigid shell compared to Earth's mantle. ... The lithosphere includes the crust and outer part of the mantle.

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