compare and contrast these plate bounderies: divergent, convergent, and transform fault. What are examples of each?

primary and secondary waves



  1. 0 Votes

    1. Divergent boundaries are when new crust is created as wo or more plates pull away from each other. An example is Iceland, where the place is splitting along the mid-Atlantic ridge, a divergent boundary between the North American and Eurasian Plates. Over time, if there is a complete split, the two land masses will become separated and the body of water surrounding Iceland will fill in the gap.

    2. Convergent boundaries are when crust is destroyed and recycled back into the interior of the Earth as one plate dives under another. There are 3 main types of convergent boundaries: Oceanic-Continental Convergence; Oceanic-Oceanic Convergence; and Continental-Continental Convergence. This type of boundary is not as common as the other ones in recent times. 

    3. Transform fault boundaries are where two plates are sliding horizontally past one another and thus form faults. An example is the boundary on the west coast of the United States. “The San Andreas fault zone, which is about 1,300 km long and in places tens of kilometers wide, slices through two thirds of the length of California. Along it, the Pacific Plate has been grinding horizontally past the North American Plate for 10 million years.”

  2. 0 Votes

    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.  Transform Fault Boundary is when different plates move or grind against each other along a fault line.  These boundaries are usually locked together and when released have the potential to cause earthquakes, but this usually occurs on the ocean floor, so it’s not normally seen before it occurs.


    An example of a divergent plate boundary would be The Mid-Atlantic Ridge.  An example of a convergent plate boundary would be The Juan De Fuca Plate which lies right off the coast of Washington, Oregon and Alaska.  Finally, an example of a transform fault would be California’s San Andreas Fault.

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