Question

divergent boundary

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GPT 3.5
A divergent boundary is a boundary where two tectonic plates are moving away from each other. This movement can create several types of geological features, depending on the type of crust involved.

If the divergent boundary occurs between two oceanic plates, it usually forms a mid-ocean ridge. Magma rises up from the mantle and creates new crust, which pushes the existing crust apart. As a result, new oceanic crust is continually being formed. The Mid-Atlantic Ridge is an example of a divergent boundary between two oceanic plates.

If the divergent boundary occurs between two continental plates, it can lead to the formation of rift valleys. As the plates diverge, the crust weakens and starts to stretch and thin. This can eventually form a long, narrow valley with steep sides. The East African Rift Valley is an example of a divergent boundary between two continental plates.

Divergent boundaries are also associated with volcanic activity. Magma from the mantle can rise up through the cracks created by the spreading plates and form volcanic eruptions. These eruptions often occur along the mid-ocean ridges and can create underwater volcanic features such as seamounts and volcanic islands.

Overall, divergent boundaries are important in the process of plate tectonics as they are responsible for the creation of new crust and the ongoing movement of the Earth's tectonic plates.

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