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- Further information: Plate tectonics
In geology, a rift is caused by tectonic plates in the Earth's lithosphere moving apart. Rifts are usually accompanied by orogeny (mountain building), volcanoes and earthquakes. The Great Rift Valley in East Africa is an example.
- http://www.mantleplumes.org/VM_DecompressMelt.html Decompressional Melting During Extension of Continental Lithosphere
- http://www.le.ac.uk/geology/art/gl209/lecture4/lecture4.html Plate Tectonics: Lecture 2