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Unformatted text preview: a Transform faults o Spherical planet o Variations in plate movement speed Breakup of Pangea = the real reason for observed continental drift o Sea floor spreading = formation of Atlantic Ocean o Subduction zones = The shrinking Pacific Ocean Glossary Andesite hydrothermal vents pillow lava Basalt island arc volcanoes. San Andreas fault East African Rift Valley. lithosphere Sheet flow Himalayas Pangea. Subduction 1. Divergent boundaries 2. Convergent boundaries 3. Transform Faults...
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- Fall '10