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Do earthquakes occur at constructive margins?
Yes, earthquakes can occur at constructive margins where tectonic plates are moving apart. As the plates separate, tension builds up in the crust which can lead to faults slipping and causing earthquakes. However, earthquakes at constructive margins tend to be less frequent and less intense compared to those at other types of plate boundaries.
How does oceanic crust form at constructive plate margins?
Oceanic crust forms at constructive plate margins through seafloor spreading. Magma rises up from the mantle to fill the gap created as two tectonic plates move apart. This magma solidifies to create new oceanic crust. Over time, this process can lead to the formation of mid-ocean ridges.
Why do volcanoes occur at constructive plate margins and subduction zones?
Because the subducting plate is water saturated oceanic crust, and as it moves down into the mantle it vaporizes the water and forces steam upwards. At the same time, the descending plate causes friction and circulation, leading to pressure-release melting. All of these processes melt the upper mantle to form magma chambers and thus, volcanoes.
What boundary creates a crust?
The Divergent Boundaries.
What is the difference between constructive and destructive margins?
a constructive (divergent) plate boundary, new crust is being created to infill the gaps caused by spreading plates. At a destructive (subduction-convergent) plate boundary, old, dense oceanic crust is diving into, and becoming part of the mantle.Read more: What_is_the_difference_between_a_constructive_plate_boundary_and_a_destructive_plate_boundary
Do earthquakes occur at constructive margins?
Yes, earthquakes can occur at constructive margins where tectonic plates are moving apart. As the plates separate, tension builds up in the crust which can lead to faults slipping and causing earthquakes. However, earthquakes at constructive margins tend to be less frequent and less intense compared to those at other types of plate boundaries.
What is the difference between constructive and destructive plate margins?
a constructive (divergent) plate boundary, new crust is being created to infill the gaps caused by spreading plates. At a destructive (subduction-convergent) plate boundary, old, dense oceanic crust is diving into, and becoming part of the mantle.Read more: What_is_the_difference_between_a_constructive_plate_boundary_and_a_destructive_plate_boundary
What are constructive plates?
Constructive plate margins are when two plates move away from each other, creating more ocean floor.
How does oceanic crust form at constructive plate margins?
Oceanic crust forms at constructive plate margins through seafloor spreading. Magma rises up from the mantle to fill the gap created as two tectonic plates move apart. This magma solidifies to create new oceanic crust. Over time, this process can lead to the formation of mid-ocean ridges.
What type plate margin are ocean trenches associated with?
Convergent plate margins where oceanic crust is being subducted under continental crust.
Why do volcanoes occur at constructive plate margins and subduction zones?
Because the subducting plate is water saturated oceanic crust, and as it moves down into the mantle it vaporizes the water and forces steam upwards. At the same time, the descending plate causes friction and circulation, leading to pressure-release melting. All of these processes melt the upper mantle to form magma chambers and thus, volcanoes.
What type of plate is the Mid Atlantic Ridge where new crust is being made?
The Mid-Atlantic Ridge is a divergent boundary where tectonic plates are moving away from each other. It is primarily associated with constructive plate margins where new crust is being created through seafloor spreading.
What boundary creates a crust?
The Divergent Boundaries.
Why does the oceanic crust move below continental crust?
The basaltic oceanic crust is more dense than the granitic continental crust. Therefore, when the two meet at plate margins, the oceanic crust usually subducts beneath the continental plate.
Compare and contrast composite and shield volcanos?
Shield Volcanoes - Wide base found at constructive plate margins Composite Volcanoes - Steeper Sides found at Destructive (subduction) margins
How Compare shield volcanoes and composite volcanoes?
Shield Volcanoes - Wide base found at constructive plate margins Composite Volcanoes - Steeper Sides found at Destructive (subduction) margins
What is the constructive uses of earthquake?
There are very few constructive uses for an earthquake. One use is that an earthquake allows plate margins to form, however the destruction clearly outweighs any advantages.
