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A Compare and Contrast between 2 Plate boundries

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tanner henry

on 8 February 2016

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Transcript of A Compare and Contrast between 2 Plate boundries

A Compare and Contrast between Convergent & Divergent
Plate Boundaries

*A convergent boundary is colliding
*There are two kinds of surface features that are associated with a convergent boundary. The first is a deep ocean trench that forms a line of the two colliding plates. One plate made of oceanic crust can slide down underneath another plate, forming this narrow, deep trench. This happens because oceanic crust is more dense than continental crust.
*If both plates are continental crust, the plates will crumple up as they collide, forming a high mountain range,like the Himalayas.

Covergent Boundries
*A divergent boundary is a fault where the two plates are moving away from each other.
*Now, as plates pull apart, several things may occur. EX. volcanic activity, mild earthquakes,etc.
*Most divergent boundaries in the world today are between two oceanic plates. When these plates separate, the magma rushes up to fill the gap and creates underwater volcanoes. This is the creation of brand new crust! This crust can remain deep under the oceans, creating underwater ridges, or it can rise to the surface over time to form islands.

Divergent Boundries
*They're both plate boundries
*They both have oceianic and continental plates
*They both cause a deep hole (trench or rift valley)
*They both cause earthquakes
*They both make a type of mountain

*Divergent Plate Boundaries is when two plates move away from each other and magma comes up to the surface to fill the open void, creating the new crust. Convergent Plates are exactly the opposite of Divergent Plates. This means that convergent plates move toward each other. Two situations can result from this. Either the two plates, if they’re the same density, will collide and push up on one another and create a chain of mountains, or one will sink beneath the other into the subduction zone, but only if the plates are different densities.
Fun Fact
*Plates at our planet's surface move because of the intense heat in the Earth's core that causes molten rock in the mantle layer to move.

Real Plate Boundries
The West Coast of South America is a convergent boundary between the Nazca Plate and the South American Plate.
East African Great Rift Valley
This is located at a DIVERGENT BOUNDRY
And remember... Convergent Collide, Divergent Divide!
By:Tanner Henry
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