Surface Features



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The Earth's surface is composed of large plates that move relative to each other. The plates can move in three directions, with each having different results.
1) When two plates collide, ocean trenches, volcanic islands, and mountain ranges are formed.
2) When two plates move away from each other, rifts occur.
3) When two plates slide past each other, there are faults.

Features such as volcanoes and earthquakes mainly along the plate boundaries. Most moons and some planets have many impact craters. However, these are rare features on Earth.


Surface Features



Click on image for full size version (645K GIF)

The Earth's surface is composed of rigid plates that move relative to each other. The plates have three main motions, and each one has different results.
1) When two plates collide, one may be forced under the other causing ocean trenches, volcanic islands, and mountain ranges.
2) When two plates move away from each other, rifts occur. In the ocean, this process is called sea floor spreading, and on land rift valleys are formed.
3) When two plates slide past each other, there are faults.
Features such as volcanoes and earthquakes exist mainly along the plate boundaries. Most moons and some planets have many impact craters, however these are rare features on Earth.


Surface Features



Click on image for full size version (645K GIF)

The Earth's surface is composed of rigid plates that move relative to each other. The plates have three main motions, and each one has different results. When two plates collide, one may be forced under the other causing ocea n trenches, volcanic islands, and mountain ranges. When two plates move away from each other, rifts occur. In the ocean this process is called sea floor spreading, and on land rift valleys are formed. When two plates slide past each other, there are faults. Features such as volcanoes and earthquakes exist mainly along the plate boundaries. Most moons and some planets have many impact craters, however these are rare features on Earth.




Last modified prior to September, 2000 by the Windows Team

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