Subduction initiation marks the birth of a convergent plate boundary, where one tectonic plate begins to descend beneath another into the mantle. This process underpins the global plate-tectonic cycle ...

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SIOUX CITY (KTIV) - Gather your supplies! In this episode we will use everyday materials to learn about tectonic plates and fault lines. A subduction fault is when two plates have different densities.

Ancient plate tectonics in the Archean period differs from modern plate tectonics in the Phanerozoic period because of the higher mantle temperatures inside the early Earth, the thicker basaltic crust ...