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Because either one plate is pushed downward into the mantle, where it melts, or two plates of similar density crush together, fusing the rocks from either side into one mass. The Himalayas have many fine examples of the latter scenario, though I think your question was more about the first.

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13y ago

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Why are divergent boundaries considered constructive while convergent boundaries destructive?

divergent - creates new crustal rockconvergent - destroys old crustal rock


What are three mechanisms of crustal thickening that occur at convergent boundaries?

Three mechanisms for crustal thickening are magmatic intrusion, sedimentation, and faulting.


Why are divergent boundary considered constructive while convergent boundaries considered destructive?

divergent - creates new crustal rockconvergent - destroys old crustal rock


What is a crustal boundary?

There are 3 types convergent, divergent, and transform boundaries. Convergent collide, divergent move away, and transform boundaries occur when two boundaries pass each other horizontally. The process of subduction is associated with convergent boundaries and tectonic plates play a huge role in these types of boundaries.


What are 3 earth features along the crustal plate boundaries?

Three features along crustal plate boundaries are earthquakes, volcanoes, and mountain ranges. Earthquakes occur due to the movement of tectonic plates, volcanoes form at convergent boundaries where plates collide, and mountain ranges are often found at convergent boundaries where plates push against each other.


What happens with convergent boundaries?

At convergent boundaries, two tectonic plates move towards each other. The leading edge of one plate is forced beneath the other in a process called subduction. This can result in the formation of deep ocean trenches, volcanic arcs, and earthquakes.


What boundaries are convergent and divergent?

Boundaries, or faults, are locations on the edges of plates, crustal masses that are very slowly moving atop the convective outer mantle (asthenosphere).At convergent boundaries, two crustal masses (plates) are pushing into each other. This can result in subduction, so may be a destructive boundary.At divergent boundaries, two masses of rock are pulling away from each other. This can be a constructive boundary when it produces rifting and seafloor spreading.At transform boundaries, or transform faults, rock masses move past one another. These are known as conservativeboundaries because crust is neither destroyed or created.(these can cause earthquakes when accumulated strain is released)


This is not included in the three major zones of crustal movement.?

Mariana Trench


Forms when two Crustal Lithospheric Plates come together?

A convergent boundary is formed when two crustal lithospheric plates collide. This collision can result in the formation of mountain ranges, deep ocean trenches, and volcanic arcs. The type of convergent boundary that forms depends on the type of crust involved in the collision (oceanic or continental).


What is produced at continental continental convergent boundaries?

At continental-continental convergent boundaries, large mountain ranges are produced due to the collision of two continental plates. The intense pressure and heat generated during the collision can also lead to the formation of deep crustal roots and high-pressure rocks. These boundaries can also trigger earthquakes and volcanic activity.


What land features are formed from a convergent boundary?

Land features formed from a convergent boundary include mountain ranges, volcanic arcs, and deep ocean trenches. These boundaries occur when two tectonic plates collide, leading to crustal uplift and intense geological activity that can create dramatic landscapes.


The edges of moving crustal plates are often defined by?

The edges of moving crustal plates are often defined by tectonic plate boundaries. There are three main types of plate boundaries: divergent boundaries where plates move apart, convergent boundaries where plates collide, and transform boundaries where plates slide past each other. These boundaries are important in understanding the processes of earthquakes, volcanic activity, and mountain building.