what forms when two continental plates move apart?
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A divergent boundary occurs when two tectonic plates move away from each other. Along these boundaries, earthquakes are common and magma (molten rock) rises from the Earth's mantle to the surface, solidifying to create new oceanic crust. When two plates come together, it is known as a convergent boundary.
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The Earth's crust can be pictured like an egg shell, fractured into many sections, which we call tectonic plates. There are three types of plate boundaries: convergent, divergent and transform. Convergent boundaries are where two plates are moving towards each other, and this is where subduction zones can be created.
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These large pieces of rocks are called tectonic plates. Tectonic plates never stop moving, this process is called continental drift. Tectonic plates move because of convection currents. These convection currents happen in the mantle, underneath the tectonic plates.
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Wegener suggested that perhaps the rotation of the Earth caused the continents to shift towards and apart from each other. (It doesn't.) Today, we know that the continents rest on massive slabs of rock called tectonic plates. The plates are always moving and interacting in a process called plate tectonics.
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The movement of these plates, which ultimately causes movement of the continents, is called continental drift. The areas where these tectonic plates meet are the regions of the world with the most violent natural events, with respect to earthquakes.
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Earthquakes likely occur in Convergent and Transform boundaries. What happens when plates move apart? When plates start moving apart the magma from the Earth's core rises up and new crust is created.
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The deep trenches, volcanic activity, and mountain ranges are formed along convergent plate boundaries and depend on the type of crustal plate involved in the collision. The collision between oceanic crust and continental crust result in the subduction of dense oceanic crust under the less dense continental crust...
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When two tectonic plates meet, we get a “plate boundary.” There are three major types of plate boundaries, each associated with the formation of a variety of geologic features. If two tectonic plates collide, they form a convergent plate boundary.
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Plates Collide. Plates Subduct. Plates Collide. When two plates carrying continents collide, the continental crust buckles and rocks pile up, creating towering mountain ranges.
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The North American and Eurasian Plates are moving away from each other along the line of the Mid Atlantic Ridge. The Ridge extends into the South Atlantic Ocean between the South American and African Plates.
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The two types of plate boundaries that are most likely to produce volcanic activity are divergent plate boundaries and convergent plate boundaries. At a divergent boundary, tectonic plates move apart from one another.
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The theory of plate tectonics states that the Earth's solid outer crust, the lithosphere, is separated into plates that move over the asthenosphere, the molten upper portion of the mantle. Oceanic and continental plates come together, spread apart, and interact at boundaries all over the planet.
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About 80% of earthquakes occur where plates are pushed together, called convergent boundaries. Another form of convergent boundary is a collision where two continental plates meet head-on. Since neither plate is stronger than the other, they crumple and are pushed up.
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When two plates are moving away from each other, we call this a divergent plate boundary. Along these boundaries, magma rises from deep within the Earth and erupts to form new crust on the lithosphere. Most divergent plate boundaries are underwater and form submarine mountain ranges called oceanic spreading ridges.
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A destructive plate boundary is sometimes called a convergent or tensional plate margin. This occurs when oceanic and continental plates move together. The oceanic plate is forced under the lighter continental plate. Friction causes melting of the oceanic plate and may trigger earthquakes.
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Collisional mountain ranges form when two continental plates converge at a continental-continental convergence zone.
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Sometimes an entire ocean closes as tectonic plates converge, causing blocks of thick continental crust to collide. A collisional mountain range forms as the crust is compressed, crumpled, and thickened even more.