How did plate tectonics contribute to the formation of Mt. Hood? - formation of mt.hood
It is a matter between the two that I have taken in school leaders in my unit, and the problem to find all information about plate tectonics is contributed to the formation of the mountain. Hood. If you could help me, I would appreciate it thank you very much
Thursday, February 18, 2010
Formation Of Mt.hood How Did Plate Tectonics Contribute To The Formation Of Mt. Hood?
2 comments:
Mt Hood is a volcano along the active subduction zone. Subduction occurs when two plates collide. The less dense continental plate runs over the denser oceanic plate (dense objects sink lower than the least dense). The oceanic plate sinks under the continental plate, and finally melts when it reaches a temperature high enough. Magma rises through the continental plate and forms of these volcanoes. Because it is a mixture of very mafic magma, melted and got very felsic rocks, lava flows as a result are somewhere in between, so that these volcanoes is called "composite" volcanoes. This type of volcanoes produce the most spectacular mountains with steep slopes.
I'm not sure whether the Mount Hood, but the geological peculiarities, as they are created at least 2 types of continental drift.
1) subduction, where a continental plate is forced under another material is heated and will rise as high pressure over the plate, and create and share a mountainous region.
2) the collision, which distorts the money slam into each other and keep them at the point of impact, like a car accident in the region and sometimes the mountains make in this field.
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