Geology - Plate Boundaries

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What is a Divergent Boundary?

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A plate boundary where two tectonic plates move away from each other, often resulting in the formation of new crust, such as mid-ocean ridges.

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What is a Convergent Boundary?

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A plate boundary where two tectonic plates collide, leading to the destruction of crust and the formation of mountains, trenches, or volcanic arcs.

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What is a Transform Boundary?

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A plate boundary where two tectonic plates slide past each other horizontally, causing earthquakes.

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What is Subduction?

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The process of one tectonic plate sliding beneath another, often leading to volcanic activity and the formation of oceanic trenches.

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What geological features are formed at Oceanic - Oceanic Convergent Boundaries?

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Volcanic island arcs, such as the Aleutian Islands.

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What geological features are formed at Continental - Continental Convergent Boundaries?

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Mountain ranges, such as the Himalayas, formed by the collision of two continental plates.

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What is the result of Convergent Plate Movement?

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It can create mountains, ocean trenches, and volcanic activity.

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What happens when Continental crust collides with Continental crust?

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Neither plate subducts; they smash together and build mountains.

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What is the difference between Oceanic and Continental crust?

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Oceanic crust is denser and thinner, while continental crust is thicker and less dense.

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What is a Rift?

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A linear zone where the Earth's crust is being pulled apart, often found at divergent boundaries.