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What are the different types of boundaries and what volcanic features do you find in each?
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- Collision. In this type of boundary, two plates are colliding. This can cause subduction (one plate sliding under the other) or uplift (mountains getting pushed up).
- Transform. Here, the two plates are sliding past one another.
- Divergent. In this type of boundary, plates are being pushed apart by upwelling magma.
Types of boundaries:
Volcanoes are typically found near collision boundaries where subduction occurs (Japan, for example) or at divergent boundaries. Volcanoes at divergent boundaries are often shield volcanoes. Stratovolcanoes, such as Mt. Rainier and Mt. St. Helens, typically occur near subduction zones.
Posted by pohnpei397 on December 16, 2009 at 12:28 PM (Answer #1)
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