Describe how rocks behave under different types of stress such as compression, pulling apart, and shearing
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Compression, pulling apart and shearing are all types of stress that occur in rocks.
Effect of compression on rocks
- As a result of compression, rocks are squeezed together under pressure. At convergent plate boundaries, the effect of compression on rocks can be commonly observed.
Effect of pulling apart on rocks
- Pulling apart rock causes tension in the rocks. As a result of this tension, the rocks will either lengthen or they will break.
Effect of shearing on rocks
- The type of stress which occurs in rocks when the forces are parallel but opposite is termed as shearing. This type of stress is most common in transform plate boundaries
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