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As the plates diverge, upper mantle rock rises and undergoes decompression melting along the rift. Because the upper mantle is comprised of mafic rock, the subsequent melt of this rock produces a mafic magma. Basalt and its coarse-grained intrusive twin, gabbro, are produced when this mafic magma solidifies.
What else can I help you with?
Is subduction common at divergent plate boundaries?
No, subduction is not common at divergent plate boundaries. Divergent plate boundaries are characterized by plates moving away from each other, which creates new oceanic crust. Subduction occurs at convergent plate boundaries where plates collide and one descends beneath the other.
What boundary creates a crust?
The Divergent Boundaries.
What type of plate boundary causes volcanic eruptions?
There are two plate boundaries that cause volcanoes. They are the divergent and convergent plate boundaries.
Which type of boundaries is seafloor created by?
Seafloor is created at divergent plate boundaries called the mid-ocean ridges.
Types of plate boundaries?
The three main types of plate boundaries are divergent boundaries (plates move apart), convergent boundaries (plates move toward each other), and transform boundaries (plates slide past each other horizontally). At divergent boundaries, new crust is formed as magma rises to the surface, while at convergent boundaries, crust is destroyed as one plate is subducted beneath another. Transform boundaries are characterized by earthquakes as the plates grind past each other.
What are three types of plate bounderys?
the three types of plate boundaries are : -convergent plate boundaries -divergent plate boundaries -transformed plate boundaries
What are three types of bounderies?
the three types of plate boundaries are : -convergent plate boundaries -divergent plate boundaries -transformed plate boundaries
What plate boundary creates?
Divergent Plate Boundaries
Is subduction common at divergent plate boundaries?
No, subduction is not common at divergent plate boundaries. Divergent plate boundaries are characterized by plates moving away from each other, which creates new oceanic crust. Subduction occurs at convergent plate boundaries where plates collide and one descends beneath the other.
What type igneous rock is produced at a divergent zone?
Basalt is the type of igneous rock commonly produced at divergent plate boundaries. This rock forms from the solidification of magma that rises to the Earth's surface through the process of seafloor spreading, which occurs at divergent boundaries.
What types of boundaries are there?
There are divergent, convergent, and transform plate boundaries.
Divergent plate boundaries are characterized by what?
Rifts.
What can occur at divergent plate boundaries?
plant boundaries move together
What are the four plate boundaries?
The four types of plate boundaries are divergent boundaries (plates moving apart), convergent boundaries (plates moving together), transform boundaries (plates sliding past each other), and subduction zones (one plate sinking beneath another).
What are plate boundaries that move away form each other?
divergent
What boundary creates a crust?
The Divergent Boundaries.
What are the tree types of plate boundaries?
Plate boundaries are places where two tectonic plates meet. There are three major types of plate boundaries. These are divergent, convergent, and transform plate boundaries.
