Chapter 12: Problem 1

What types of plate boundaries are most likely to contribute to the following?: a) compression, b) extension, and \(\mathrm{c}\) ) shearing.

Short Answer

Expert verified

In conclusion, the types of plate boundaries most likely to contribute to the different types of movements are: a) Compression - convergent plate boundaries b) Extension - divergent plate boundaries c) Shearing - transform plate boundaries

Step by step solution

Identify plate boundaries associated with compression

Compression occurs when two tectonic plates move towards each other, causing pressure to build up between them. This is most commonly seen at convergent plate boundaries, where one plate is forced under another in a process called subduction, or where two plates collide to form mountains. So, compression is most likely to occur at convergent plate boundaries.

Identify plate boundaries associated with extension

Extension occurs when two tectonic plates move away from each other, reducing pressure and causing the lithosphere to stretch. This is associated with divergent plate boundaries, which often result in new crust being formed as magma rises from the mantle to fill in the gap between the two plates. Therefore, extension is most likely to occur at divergent plate boundaries.

Identify plate boundaries associated with shearing

Shearing occurs when two tectonic plates move past each other in opposite directions, causing lateral stress and strain along the boundary. This movement can lead to faulting and the formation of earthquakes. The plate boundary associated with this type of movement is known as a transform boundary. Thus, shearing is most likely to occur at transform plate boundaries.

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What types of plate boundaries are most likely to contribute to the following?: a) compression, b) extension, and \(\mathrm{c}\) ) shearing.

Short Answer

Step by step solution

Identify plate boundaries associated with compression

Identify plate boundaries associated with extension

Identify plate boundaries associated with shearing

Summary

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