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What happens at tectonic plate boundaries?

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It depends on the boundary. Some plates are moving apart (divergent), some are coming together (convergent), and some are sliding past each other (transform). read more

Most movement occurs along narrow zones between plates where the results of plate-tectonic forces are most evident. There are four types of plate boundaries: Divergent boundaries -- where new crust is generated as the plates pull away from each other. read more

A divergent boundary occurs when two tectonic plates move away from each other. Along these boundaries, lava spews from long fissures and geysers spurt superheated water. Frequent earthquakes strike along the rift. Beneath the rift, magma—molten rock—rises from the mantle. read more

Three major events take place at plate boundaries: the formation of volcanoes and mountains, and a greater occurrence of earthquakes. There are also three main types of plate boundaries: divergent, convergent and transform. read more

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